FISH EYE Lens FOR Canon EOS Digital Rebel XT 20D Rebel
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วันเสาร์ที่ 28 กุมภาพันธ์ พ.ศ. 2552
FISH EYE Lens FOR Canon EOS Digital Rebel XT 20D Rebel
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วันพฤหัสบดีที่ 19 กุมภาพันธ์ พ.ศ. 2552
Raynox DCR-6600, Pro 0.66x High Quality Wide-Angle Conversion Lens for Camcorders & Digital Still Cameras, 52mm Mounting Thread.
Raynox DCR-6600, Pro 0.66x High Quality Wide-Angle Conversion Lens for Camcorders & Digital Still Cameras, 52mm Mounting Thread.
Especially designed for use with high-end digital camera which incorporates the CCD chip of more than mega-pixels, and the lens is made of hi-index optical glasses, 3-group/3-element, fully coated for non-distortion(-1.3%) and sharp images. It's an ideal accessory lens for professionals and advanced amateurs shooting in tight place. There will be no reduction of light value when this conversion lens is attached on the camera's lens. The original Raynox adapters are designed and made to suit the best physically and optically to the DCR-6600PRO lens to obtain the optimum image quality. DCR-6600PRO is also suitable to the 3-CCD chip or mega-pixel Digital Camcorders. (Limited zoom capability) All of Raynox conversion lenses are proudly made in Japan. At Raynox's wholly owned manufacturing subsidiary, every stage of production is rigorously checked and tested so that the lens elements compensate effectively for astigmatism, distortion and spherical aberration.... for an excellent image quality.Product Details
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Indispensable add-on for the Canon Powershot S-series
I was somehow frustrated with the wide end of my otherwise satisfying Canon Powershot IS S3. I decided to go with the Raynox lens which was a tad more expensive than the Canon x0.7 wide angle converter but offered better performance (see lensmateonline for comparison shots).
The Raynox changes my S3's focal length from 36mm to 24mm in film equivalent and its negligible barrel distortion and 72mm front thread gave me the opportunity to consider getting a Cokin P Filter holder system which makes a great companion if you feel creative and want to invest in material that you will be able to use when moving up to a DSLR.
The good: very solid build, great angle opener for tight spaces, good optics, no vignetting or so little with the S3 at the widest angle if you attach a regular Cokin P filter holder. Great for landscape, indoor shots and architecture (lines won't look too bent).
The less than stellar: image softness if you zoom in (I usually don't), requires a special 52mm adapter tube, doesn't focus right if you set the S3 to wide angle converter mode, does not have a macro mode.
Very good......but....
This lens is excellent on the front of my HV30. BUT I also have a $30 Merkury wide angle lens and IMO frankly the $100 price difference is not even remotely justified. See Merkury Innovations CL-52WB 52mm High Definition 0.45X Wide Angle Lens - it has slightly soft outside edges (can be cropped in your NLE) , but otherwise is fantastic.
I think that the eye is not as aware (or at all) of outstanding technical specifications as we would hope on a TV. Perhaps this is THE lens to get if you are showing your footage on the side of a barn, but on a TV...save the $$$. Really - you won't notice at all.
update Sept 06 2008: After editing a good few hours of HDV footage and comparing the cheap and the $$$ Raynox 6600 WA lenses close up, the Raynox is a more consistent and reliable bet than the Merkury. I eat my words. DANG! I wanted to sell it.
The Raynox Pro 0.66: Wide Works!
I was very happy with my new camcorder and kept wanting the shot to be "just a little bit wider." The zoom is built-in however and I thought my problem would just remain my problem. Then I read several articles on-line that spoke highly of the Raynox and Amazon was the place to find the best price. My experience was totally satisfactory and the Raynox is easy to use and switch out, which is important for field work. I'm not using it as much as I thought, but when I do, the resolution is very good edge-to-edge, which is important with HDTV work.
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Kenko 420-1600mm Vari Super Telephoto Zoom Lens with Mount for Canon EOS 30D 20D 5D Digital Rebel XT XTI & Film SLR Cameras
Kenko 420-1600mm Vari Super Telephoto Zoom Lens with Mount for Canon EOS 30D 20D 5D Digital Rebel XT XTI & Film SLR Cameras
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Kenko 420-1600 Super Telephoto Lens w/mount
I purchased this lens as a gift to my grand daughter and have seen the pictures taken....She loves it, and I am certainly not sorry for buying it.
It easily took pictures of the craters on the full moon at the length of 800mm .....1600 was almost too much LOL
Good lens
For the price, you can't beat it. It's a decent lens. It's definately not great, but for someone who's not taking professional phoographs it does it's job. I'd say it was worth the money.
Kenko 420-1600 Telephoto Zoom Lens
This telephoto is excellent! However, I must put it on a tripod to get a good shot.
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วันพุธที่ 18 กุมภาพันธ์ พ.ศ. 2552
Sigma 20mm f/1.8 EX DG RF Aspherical Wide Angle Lens for Canon Digital SLR Cameras
Sigma 20mm f/1.8 EX DG RF Aspherical Wide Angle Lens for Canon Digital SLR Cameras
The Sigma 20mm f/1.8 EX DG Aspherical RF is one of several EX Series lenses. It is the first 20mm Super wide-angle lens in the world with a large aperture of F1.8 and angle of view 94.5 degrees. It has Macro focusing capability with a minimum focusing distance of 20cm/7.9inches (reproduction ratio 1:4). The iris diaphragm has 9 diaphragm blades to obtain beautiful out of focus image. It incorporates an aspherical lens element in the front as well as rear lens groups, to minimize distortion, spherical aberration and astigmatism. The lens has non-vignetting optical construction, in order to obtain adequate peripheral brightness with open aperture. This is especially desirable for digital cameras. The lens incorporates a rear focus system eliminating front lens rotation, thus allowing the use of a Perfect Hood and easy use of polarizing filters. The lens also incorporates dual-focus mechanism. Easy to hold - focusing ring does not rotate during auto-focus, yet it provides adequate focusing torque of the focusing ring during manual focusing of the lensProduct Details
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Great for the price
I bought this originally for low light indoor shoots on 40D. Didn't work too well at ISO1600. Turns out, all my other primes Canon 100f2, 50f1.4, 35/f2 are any good either. Of course, zooms only go f2.8, even worse. That made me think it's the 40D, not the lenses. Just went out and shoot in the woods for a day. The results are breathtaking! It blows my Sigma 10-20 and other zooms out of water, maybe with the exception of Canon 70-200/f4L, that is the only exception. Just to be sure it wasn't a fluke, I did some shooting against grass lawn and trees in full sun light. Sure enough, all the zooms except the f4L. I am talking border to border clarity and contrast here! So I am convinced that 40D sensor is the problem at high ISO, not the lens itself. The IQ is especially horrible under low artificial light (the energy saving kind bulbs). At the brighter indoor light situation (e.g. inside Best Buy store), 40D ISO1600 works fine with any lens. But not at home watching TV, or in a Outback Steakhouse restaurant.
Now I've been looking to retire my zooms (with the exception of the f4L) and use primes instead. Just can't find any cheap wider prime like this one though. So I am waiting on my Tokina 11-16 and hoping it'll be better than my Sigma 10-20, as folks are saying out there. That would have been the closest I can get to a uber wide prime. On a crop sensor, 20mm isn't wide enough, especially in the woods.
Until the real revolutionary sensor comes along later on, I'll have to live with the grainy pictures for now. But this prime makes me see things differently for the better. Ironically, I've always held the highest opinion of my Canon 50/f1.4 partly because it is my first prime since I went into photography. After the lawn shoot out test, I realized the f1.4 isn't so great at all, even at f11 at 30'. Maybe my luck on the Sigma is better than on the Canon.
Cheers.
Not bad, but not great
Tried three copies of this lens. Great specifications. Nothing else is this fast at this width and this price. The image is acceptably sharp wide open, but only just -- definitely nothing like Sigma 30mm 1.4, which beats this lens hands down in everything but the width.
Good lens if you are a photojournalist and need to print small images at low resolution. Then pixel sharpness doesn't matter much. But if you are a pixel peeper, beware.
The lens is well built, and looks great, but the motor is noisy and I assume eats up camera batteries.
By far the worst thing about this lens is unpredictable focus, which I encountered on all three copies. None of the copies had any distinct front or back-focusing issues, when focusing on paper. Three out of five times they were spot on. Then they would back or front-focus with equal probability. And yes, I know all about the depth of field and this was not a factor in my tests. And my Sigma 1.4 does not behave like that. As this is an older lens, I think there may be some occasional issues of lens-camera communications that don't exist in the newer 1.4 30 mm.
The bottom line is, I am keeping the first copy of the lens. With all the deficiencies this lens has, I couldn't find any other options at this price. I guess with this lens on, I will have to take more than one picture of everything to make sure I got the shot.
Sigma, how about a newer APS-C version of this lens? Please?
Superfast wide angle at affordable price
This is my fifth Sigma lens, and I couldn't be happier with it. Because of it's f/1.8, don't expect much depth of field when shooting wide open. Especially in close ups, that's the trade off for low light capability. This lens has opened up a whole new world of possibilities for me with indoor photography when a flash is inapppropriate (performances, candids, etc.). The wide angle is not so extreme that I have to deal with distortion at the edges, but in close ups it creates a different perspective on the subject, especially with faces. I also own a 10-20mm zoom which I use primarily for architectural shots, but this is my go-to lens for landscapes, group portraits and low light situations.
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Opteka HD² 0.20X Professional Super AF Fisheye Lens for Pentax K10D, K20D, K100D, K200D, K1000, & K2000 Digital SLR Camera
Opteka HD² 0.20X Professional Super AF Fisheye Lens for Pentax K10D, K20D, K100D, K200D, K1000, & K2000 Digital SLR Camera
Nothing changes the way you see the world like High Definition², and no company does High Definition² like Opteka. In the professional setting, Opteka's glass optics define High Definition. Change the way you view the world. Enjoy outstanding detail, enjoy enhanced clarity, enjoy Opteka.The new Opteka High Definition² .20x Wide Angle Fisheye Converter Lens increases the versatility of your existing lens to provide breathtaking ultra wide angle views. And it's so easy to use! Great for every type of photographic situation!
Converts a 18-55mm into a 3.6-11mm Circular Lens
Opteka lenses put more creative control where it belongs - in your hands.
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วันอังคารที่ 17 กุมภาพันธ์ พ.ศ. 2552
Sigma 28-300mm f/3.5-6.3 DG IF Macro Aspherical Lens for Pentax and Samsung SLR Cameras
Sigma 28-300mm f/3.5-6.3 DG IF Macro Aspherical Lens for Pentax and Samsung SLR Cameras
Ultra compact dimensions, length: 3.3", diameter: 2.9", filter size: 62mm and a 10.7: 1 zoom ratio make this lens the ultimate traveling companion. This versatile, all-purpose zoom can capture a wide ranging series of subjects using its wide angle, ultra-telephoto and close-up capabilities. It incorporates 2pcs Special Low Dispersion SLD glass elements and 4pcs Aspherical Lenses, to produce a high level of optical performance. Aspherical lenses provide excellent correction for all types of aberration while making a very compact construction possible. This lens has a minimum focusing distance of 50cm at all focal lengths. Equipped with a macro mechanism for close-up photography at 300mm telephoto, with a reproduction ratio of 1: 3. It is equipped with a "zoom lock" to prevent the zoom setting from being changed inadvertently. It incorporates an internal focusing system, which eliminates front lens rotation, allowing the use of polarizing filters and Petal type hoods. The lens materials used in this new lens are lead and arsenic free ecological glass.Product Details
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Editorial Reviews
Manufacturer Description
The Sigma 28-300mm f3.5-6.3 Macro lens covers all the focal lengths from 28mm wide angle to 300mm telephoto with 10.7:1 high zoom ratio as well as macro capability. The 28-300mm f3.5-6.3 Macro packs a lot of performance in a compact package with ultra-compact dimensions that make this lens the ultimate traveling companion length.
Two-piece Special Low Dispersion (SLD) glass elements and four-piece Aspherical Lenses, produce a high level of optical performance.
The 28-300mm f3.5-6.3 Macro lens feature two-piece Special Low Dispersion SLD glass elements and four-piece aspherical lenses, to produce a high level of optical performance. Aspherical lenses provide excellent correction for all types of aberration while making a very compact construction possible.
Macro photography with a 1:3 maximum photography ratio
The 28-300mm f3.5-6.3 Macro lens has a minimum focusing distance of 19.7 inches (50 centimeters) at all focal lengths and is equipped with a macro mechanism for close-up photography at 300-millimeter telephoto, with a reproduction ratio of 1:3.
Inner Focus System
This design allows for stability and compactness in design as changes in focus are made in an internal lens grouping. This also gives the advantage of a non rotating front lens assembly which is of great benefit when using polarizing filter and petal-type hood.
The "Zoom Lock" device prevents the zoom setting from being changed inadvertently.
The 28-300mm f3.5-6.3 Macro lens is equipped with a zoom lock to prevent the lens from creeping due to its own weight, and to offer protection whilst the lens is being carried.
DG Lens
These are large-aperture lenses with wide angles and short minimum focusing distances. With an abundance of peripheral illumination, they are ideal lenses for Digital SLR Cameras whilst retaining suitability for traditional 35mm SLRs.
Customer Reviews
great zoom lens and can't beat it for the price
Nice and strudy lesn,the macro works nice, zoom factor is also good. the zoom lock is simply nice! don't complain on anything for the price i paid. I liked it.
Not bad at all
Thankfully, I didn't get a faulty item, and it worked fine right out of the box, no focusing problems whatsoever. With the quality control issue out of the way, I can tell you that this lens has produced some fine photos, and I can whole heartedly say that I got more than my money's worth.
Let's get the cons out of the way first. The zoom mechanism is a bit tight - but this has loosened considerably, now that I've taken more than 1,000 images in a variety of locations (I've taken this lens into the jungle and up to the summit of Kota Kinabalu in Malaysia). The zoom lock is something I rarely use (since it only locks at the 28mm position), and lens creep is definitely present (I don't mind, I keep my kit in a camera bag). With the lens fully extended, images get rather soft, but this lens has enough range on it that the useable range (with regard to image sharpness) is more than adequate.
Now to the good points - this lens is CHEAP! Considering the range you get, this is really a bargain. It doesn't feel like it, though. This thing is built like a brick, and it's just as tough. It's on the heavy side, and I appreciate the choice of materials (the rubber texture is a plus). This once rolled off my lap and into sand. Yes, SAND. I was able to save it with a couple of stiff puffs and an earnest prayer. Colors are well rendered, and bokeh comes out lovely (given the right aperture and focal length mix - see photo).
All in all, I think this was a good purchase. This was my first lens, and looking back, I think I couldn't have found a more empowering piece of glass considering its versatility, durability and price point.
did not work
this product did not with my camera, like it said. but it was very easy to send back.
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วันจันทร์ที่ 16 กุมภาพันธ์ พ.ศ. 2552
Opteka 10x HD² Professional Macro Lens for Canon PowerShot G7 & G9
Opteka 10x HD² Professional Macro Lens for Canon PowerShot G7 & G9
You can take close-up shots like you've never taken before. Opteka proudly presents the next generation of HD II macro lenses. It's originally designed for dentists and medical use. Unlike current single element lenses which are so common on eBay, the HD II 10x has 4 elements of high definition optical glass that provides unbelievable detail.The built-in lens on most digital cameras cannot focus on any object closer than a certain minimum distance. The Opteka close-up lens, which is simply mounted in the front of the cameras built-in lens, permits the taking of extreme close-ups in stunning detail. This is easy to use solution for getting extra close. This lens will enable you to get much closer than the minimum focus of the standard camera lens - as close as 4 inches from the subject. It is ideal for cataloging small items and focusing on details.Product Details
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MUY BUENA
ES UN EXCELENTE MACRO PARA LA POWERSHOT G7. GRACIAS
DIOS LOS SIGA BENDICIENDO MUCHO.
Opteka 10xHD2 Macro Lens
This macro lens when attached to my G( works flawlessly. I really get some great photos.
Macro lense
I have the G7 Powershot and this is a great product. It is easy to install and use.
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Tokina 12-24mm f/4 AT-X Pro DX AF Wide Angle Lens for Nikon Digital Cameras
Tokina 12-24mm f/4 AT-X Pro DX AF Wide Angle Lens for Nikon Digital Cameras
The AT-X 124 AF PRO DX lens is Tokina's first lens designed for use exclusively on Canon and Nikon Digital SLR cameras having an APS-C sized sensor.This lens gives the digital photographer an ultra wide-angle zoom lens that has the equivalent of an 18-36mm zoom range on a 35mm film camera while maintaining a bright constant aperture of f/4.Product Details
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Customer Reviews
Built like a tank, but AF?
I'm an enthusiast, not a pro. I have a D40 which is the first thing I would grab if my house were on fire to carry out with me. I wanted to expand my lenses beyond the kit lens and the 55-200 telephoto I bought. I wanted something that was wide angle and could be used close-up for better portraits. The Nikkor 12-24 was appealing but this lense was half the cost and the reviews were compelling. I can't comment on all the techno-stuff about color shifting and correcting for this or that. The lense is extremely well-made; I've used a couple of third party lenses a photographer friend lent me and I could notice the difference when I compared the pictures they took to Nikkor lenses. I must say I am very impressed with Tokina. The lense is a bit heavy though, and bulky. So good construction means heft, but the bulk is no biggie because I bought the lens to keep around the house, not to lug around with me to the zoo. It DOES expand the frame in tight quarters, so it's a great lens to put on for indoor shots at birthday parties and the like when you want to get everyone in the shot, even old Aunt Edna munching on her dentures in the corner. D40 owners, you will NOT be able to use the built in flash with this lens- it's too big and will obscure the flash- you have to use an external flash with it. The second thing- this is supposed to be an autofocus lens, but at least with my D40 you have to focus manually. The lens will take good pictures in low light, but focusing it in low light isn't exactly easy unless you are doing a close-up and you can focus it to infinity. I'm not sure why this is the deal, but it's good to know. Still, bottom line is, this is a very well-made lens, takes great pictures and is great for indoor photography when you want a wider frame. I'm told it's good for landscape photographs too for that reason but I'm not so much into that. Good luck!
The only NON-nikkor lens I own
Side by side it is equally as good as the Nikkor 12-24. Unfortunately, the Nikkor lens is more than twice the price. Do yourself a favor, get the Tokina and save your money for another lens or photo products.
Absolutely fantastic lens.
I've had this lens for one year. Incredibly enough, it's more expensive NOW then it was a year ago. My Nikon lenses have plummeted in price in the past year.
It's a very comfortable lens and fairly lightweight. Nice big rubber zoom and focus rings although I would have preferred the zoom ring not to be next to the camera body.
Nice smooth zoom ring action; no loose play, grinding or resistance. Much, much better than the $1100 Nikon 18-55mm lens that I hated and returned.
Here's a wonderfully weird characteristic of this lens that I simply cannot figure out: It will focus and take a picture in a room with barely any light at all! My Nikon 50mm f1.4 lens can't even come close; the Nikon lens cannot focus even though it's several f-stops faster. You have to see it to believe it.
The only thing that the lens can't do (which is no big deal for such a wide angle lens) is the ability to manually focus after an auto-focus.
Want even better performance photographing outdoors? Turn the auto-focus off, set the aperture to about f11 and the distance between 7ft and infinity. Everything will be in focus.
Even though it's an inexpensive lens, don't cheap out and get a lousy filter. Pay the $50+ for a good multi-coated 77mm UV filter.
For landscapes or working in tight areas or crowds, you simply can't beat this lens.
If Nikon put their logo on it and charged $1200, people would rave that it's such a great lens.
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วันอาทิตย์ที่ 15 กุมภาพันธ์ พ.ศ. 2552
MACRO LENS SET +1 +2 +4 +10 NIKON D300 D200 D80 D70 D50
MACRO LENS SET +1 +2 +4 +10 NIKON D300 D200 D80 D70 D50
Hi Resolution Hi Definition 4 Piece Close Up Lens Set Includes +1 +2 +4 & +10 w/ Free Carrying Case LENS ADAPTER IS INCLUDED WITH THIS PURCHASE PRODUCES EXCELLENT QUALITY PICTURES LENS IS THE HIGHEST POWER MACRO LENS ON THE MARKET Threading on both sides allows the use of additional filters. Have you ever dreamed of focusing on your object more than your camer or camcorders ability? Now you can put a magnifying glass in front of your camera's lens. Features Close-up lenses work in this fashion and are the simplest and least expensive method of macro photography. They are available in different powers (diopters). A +1 close-up lens will allow you to focus your lens somewhat closer than it already does. A +2 close-up lens will allow you to focus closer than the +1. A +4 lens will allow you to focus even closer than a +2, and so on. These lenses can be used individually or in any combination to achieve ultra-close focus. achieved maximum magnification with these attachments. Please also note that these Lenses are stackable. A +1 combined with a +2 will equal a +4, while a +2 combined with a +4 will equal a +6. Specification Multi-coated Stackable with other filters Anti-reflective coating Autofocus Includes carrying case and snap cap and lens cap keeper High-index / low-dispersion optical glass Infared Compatibility HIGH DEFINITION 15 Year WarrantyProduct Details
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วันศุกร์ที่ 13 กุมภาพันธ์ พ.ศ. 2552
Sigma 24-70mm f/2.8 EX DG Macro Aspherical Large Aperture Standard Zoom Lens for Nikon SLR Cameras
Sigma 24-70mm f/2.8 EX DG Macro Aspherical Large Aperture Standard Zoom Lens for Nikon SLR Cameras
The Sigma 24-70mm f2.8 EX Aspherical DG DF lens is the perfect 'standard' lens for your SLR Camera. Variable zoom focal lengths span from 24mm ultra-wide angle to normal to 70mm portrait/telephoto, when used with a 35mm film camera. For general photography, this lens is perfectly suited for pictures of places, people and faces.Product Details
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Customer Reviews
Read this ! ! !
Just received the lens a day ago and tested throughly. Great!
(Using this lens on my Nikon D200)
At first, I was extremely sceptical about purchasing a Sigma lens - this lens. I used two Sigma lenses before for my Canon EOS-3 and found them a bit too soft for my taste. Nevertheless, I finally went ahead after being lost with all types of negative and positive reviews.
Good decission.
The lens is sharp! Shooting under all types of conditions including flash and low light, I can somewhat confirm that there is a slight softness shooting with f/2.8. The lens becomes very sharp at f/4 and tack sharp at 5.6 to f/8 aperture. The differences are extremely small and merely visible by enlarging the frame to an extreme size, much larger than anyone would do in normal practice. Most lenses getting to their high with one or two stops above 2.8 aperture, to include pro lenses. I do like the slight creamy type (almost) softness at f/2.8 of this Sigma lens which produced great skin for portraits during my testing. In all, the sharpness is more than satisfying and top level. Color reproduction is also extremely good and almost vivid. Great lens! (I am a professional photo-journalist for more than 30 years and used to top lenses and pro equipment).
Build quality is good and in the upper class of pro lenses. It is a heavy and large lens but what do you expect if you want pro performance. This lens is still not as heavy as similar pro lenses from Canon or Nikon. I can carry this lens all day without too much neck pain and I securely hand hold this lens down to 30 shutter speed and get good results at every single shot.
Some reviews complain about the lens is extending by zooming ( I was sceptical about that issue) but it does not bother and the movement is only about an inch or so. Lens movement feels smooth and solid. This lens focused very fast and precise even in low light condition - no creeping and searching. Focusing is precise. The lens motor has a slight humming noise which sounds smooth and is everything but disturbing - I can live with it. More critics about the filter size! The filter size in the lens description above is wrong. It is not 62mm but 82mm. I have no problems at all finding filters with 82mm in all price and quality ranges. By the way, you can use 77 filter sizes with step down ring if you don't use this lens on a full frame camera - works just fine without vignetting...
There is a bit of a shade if you shoot wide with your build in flash because of the large lens size which is surely normal. You get anyway better results with a normal flash...
All in all a great pro level lens which will satisfy everyone in all aspects.
Handling is very good. It takes a few moments to get used to the smaller zooming ring at the rear of the lens and I surely turned at first a few times on the focusing ring. I got used to that after a few shots and truly like it that way. Holding the camera on the bottom with your left hand, the zooming ring simply falls into your fingers quite naturally.
My final opinion: I love this lens!
My compliments to the Sigma people - great lens.
The zoom range of 24-70mm is very convenient for me. I am primary a street and inside shooter. 24mm is wide enough to get a normal group of people inside, and 70mm gives me a large enough frame to cover fair distances. My ideal walk around lens for all eventualities.
The lens protrudes my camera 4.5 inches (an inch more with lens hood) and is a bit below 3.5 inches in diameter.
The lens is extremely cheap for the quality and performance - buy it before Sigma realizes their mistake and jacks up the price...
I guess the only problem I had was the price. I simply could not imagine that a lens in this price range could be that good. Surprise!!!
My Most Used Lens Right Now
This is my second Sigma lens (the other one I own is 10-20mm), and I am pleased with the quality of image it helps produce, enough that I'd buy it again if I have to.
I use this lens with Nikon D300 and I wanted a lens that I can use for all kinds of situations when I'm outdoors shooting nature, shooting portraits on assignment or capturing our family life. After three months of use, I am very satisfied with the results and here is why.
-- The lens is very sharp at just about any aperture. I'm pleased with all the details I see in my images when I'm shooting buildings or other objects, as well as when I'm shooting people. In fact, I am sometimes amazed at the sharpness I get.
-- I love the fact that being f/2.8 lens, I can use it in dark situations. Now I am not forced to pull out my 50mm f/1.8 every time and this lens gives me another option for low light photography, with more of a range of zoom.
-- It's not too bulky and well built.
-- AF works very well and faster than my Nikon 50mm f/1.8
-- It handles color very well.
Now a few cons
-- The images are somewhat soft when you're shooting at f/2.8. However, I knew that was the case from other reviews, and it's fine by me. If I'm after sharpness, I can always apply little extra of it in post processing. I didn't want to pay few more hundred bucks for Nikon's version of this lens just to get a bit more of sharpness at f/2.8.
-- It uses 82 diameter, which forced me to buy new filter adopter ring and expensive polarizer.
-- It's probably not the sexiest looking lens out there, but hey, once again, you get what you pay for with Sigma
-- Sigma really needs to work on the design of their caps and screw caps on the back of the lens. It takes longer for me to put these on when compared with Nikon lenses and sometimes it's a pain when you're outdoors in the dark.
Overall, I'm very happy with this purchase, and I now shoot 80% of the time with this lens. If you're on a tight budget during these uncertain economic times, this lens may be a good idea.
Love this Lens
I have been an "amateur" Nikon shooter for over 10 years. I currently am shooting a Nikon D200 and have had a Nikkor kit lens (35-105 3.5-4.5) for a very long time. Although this lens is very sharp I wanted to upgrade in this focal length.
I decided to go with Sigma over the Nikon in this range mainly due to price, (about 150 dollars or so less)...
My first copy of the Sigma had bubbles in the glass which was quickly and easily replaced. Second copy is pristine.
Findings:
Very sharp. I cannot tell the difference between this and my Nikon at any f-stop. Although people have complained that this lens is soft at 2.8, I cannot see it.
Lens feels sturdy
AF is quick enough for me, although USM would have been good. Come on Sigma this is supposed to be your pro line.
Although some say the lens is heavy I just don't think so. Although I also always place vertical grips / battery packs on all my body's.
Complaints:
Lens hood is silly. They could have come up with a bigger / deeper hood. I am still looking for one.
Non weather sealed which is a bit of concern for some extreme environments.
Bottom line:
Tack sharp great lens for the price. Have compared images side by side and cannot tell the difference. I have seen "scientific" comparisons with test grids talking about Chromatic Shifts and Aberrations, but personally I like looking at a real image and I can't see the difference.
Just buy it!
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วันพฤหัสบดีที่ 12 กุมภาพันธ์ พ.ศ. 2552
Opteka 10x HD² Professional Macro Lens for 52mm Digital Camera Lenses
Opteka 10x HD² Professional Macro Lens for 52mm Digital Camera Lenses
Now you can take close-up shots like you never took before. Opteka proudly presents the next HD10X macro lens. Originally designed for dentists and medical use, the HD10X is now available to the public. Unlike current single element lenses, the HD10X has 4 elements of high definition optical glass that provides unbelievable detail. Cameras fitted with normal lenses do not permit us to move closer than a certain minimum distance from the object being photographed. The Close-Up lens, which is simply mounted in the front of our normal taking lens, permits the taking of close-ups and also makes possible the photography of details which would be quite impossible without using the Close-Up lens. The easy to use solution for getting extra close. These lenses enable you to get much closer than the minimum focus of the standard camera lens - as close as 4 inches from the subject. Ideal for cataloging small items and focusing on details.Product Details
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3X TOKINA TELEPHOTO LENS FOR CANON POWERSHOT A610 A620 A630 A640
3X TOKINA TELEPHOTO LENS FOR CANON POWERSHOT A610 A620 A630 A640
A Digital Advanced Technology 3.0X Lens Offers a Deluxe Telephoto Shot . Perfect for Party Shots, Sports or Truly Capturing The Perfect Close-up shot. Distortion Free, No Vignetting, High Speed Auto Focus, Day or Night Lens. Made of titanium makes the lens one of the most durable on the market. Multi-coated for glare free pictures and you will be able to get within inches of your subject. - Digital Innovations is proud to offer limited edition razor sharp clarity and quality with ever lens sold. All lenses are exclusivley sold by digital innovations and are not offered by anyone else.Product Details
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Customer Reviews
Great for Occasional distance shots
If you are regularly taking photos that require the additional zoom provided by this lens you may want to consider stepping up to a professional grade camera but, this is GREAT for occasional use.
My boys play soccer and baseball and the additional OPTICAL zoom provided by this lens allows me to get great quality photos with my Canon A630 camera from the bleachers while they are on field. The standard 12x digital zoom on the camera just crops the photo and loses resolution.
There is a suprising difference between the 2x and the 3x lens however you must have your camera on max zoom (4x optical on mine) with both lenses limiting your zoom back. You have to remove the lens completely if the 2x or 3x is too much vs. just flipping a lever on the camera. By adding the lens though you essentially upgrade the 4x zoom to 12x OPTICAL zoom maintaining image quality. Unfortunate the 5x-11x zoom is not possible due to not being able to use the mechanical adjustable zoom on the camera.
Changing lenses is a snap though, just push and 1/8 turn twist. Lens doesn't fit in the bag with the adapter and the rear lens cover will not screw on when the adapter is in place so protecting the rear lens while maintaining ease of use is difficult.
This is why I say OK for occasional use but for regular use a professional grade camera that does require an adapter would be my recomendation.
Works GREAT for my use.
by an Amateur
I like this lens fine. It's very quick to put on and take off.
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วันอังคารที่ 10 กุมภาพันธ์ พ.ศ. 2552
Opteka .45x Wide Angle & 2.2x Telephoto HD² Pro Lens Set for Nikon Coolpix P80 Digital Camera
Opteka .45x Wide Angle & 2.2x Telephoto HD² Pro Lens Set for Nikon Coolpix P80 Digital Camera
Since it fits right over your camera's existing lens system, a wide-angle and telephoto converter affects the full zoom range of your camera's lens. A wide-angle converter increases your angle of view - scenes include more of the landscape, groups include more people, and interiors show more of the room. A .45x wide-angle converter DOUBLES your angle of view, allowing you to get twice as much in the picture (AND your telephoto setting also becomes wider; not zooming in as close). A 2.2x converter will double your camera's maximum focal length, bringing things twice as close. An Opteka conversion lens can actually improve the image that your digital camera receives, and it's about the only accessory that can. By eliminating flare and ghosting, the ugly cousins of reflection and refraction, before they get to your camera's original lens system, your camera gets a much cleaner image to digitize. Plus, an Opteka converter allows you to use a more optimal part of your original lens system, resulting in more crisp imagery. Nothing changes the way you see the world like High Definition², and no company does High Definition² like Opteka. In the professional setting, Opteka's glass optics define High Definition. Change the way you view the world. Enjoy outstanding detail, enjoy enhanced clarity, enjoy Opteka. With an Opteka 5 piece Lens/Camera cleaning kit it contains everything you need to maintain your Digital Camera! It cleans hard to reach lenses, protects battery contacts, and is very easy and safe to use. Works excellent for lenses, cameras, filters, and it also easily cleans LCD panels. The lens cleaning solution is specially made for removing oil and dirt. The Opteka table top tripod is ideal for backyard observation or anywhere - an ultra-compact tripod is all you need! Opteka lenses are covered by a lifetime warranty.Product Details
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วันจันทร์ที่ 9 กุมภาพันธ์ พ.ศ. 2552
Digital 2x Telephoto and 0.45x Wide Angle 30mm Conversion Lens Set for Camera...
Digital 2x Telephoto and 0.45x Wide Angle 30mm Conversion Lens Set for Camera...
Professional Digital Wide Angle and Tele lenses attaches to most cameras, camcorders and lenses with 30mm filter threads. Super compact and light weight. Day and night vision compatible. Superior clarity and vibrant color reporduction. Ideal for landscape, indoor, group and architecture shooting. Optimized for use with digital equipment. Among the many makes whose products it fits are Sony, JVC, Olympus, Canon, Nikon and others.Product Details
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วันอาทิตย์ที่ 8 กุมภาพันธ์ พ.ศ. 2552
Opteka 2.2x HD² Telephoto Lens for Fuji Finepix S9500 S9100 S9000 S6000
Opteka 2.2x HD² Telephoto Lens for Fuji Finepix S9500 S9100 S9000 S6000
Nothing changes the way you see the world like High Definition², and no company does High Definition² like Opteka. In the professional setting, Opteka's glass optics define High Definition. Change the way you view the world. Enjoy outstanding detail, enjoy enhanced clarity, enjoy Opteka. Since it fits right over your camera's existing lens system, a telephoto converter affects the zoom range of your camera's lens. A 2.2x converter will double your camera's maximum focal length, bringing things twice as close.Product Details
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Customer Reviews
Good product
I wanted to try if this type of lens will produce good pictures. Although I have not had the time to fully use it yet, I have tried it twice and I am happy with the result.
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Tamron AF 90mm f/2.8 Di SP A/M 1:1 Macro Lens for Canon Digital SLR Cameras
Tamron AF 90mm f/2.8 Di SP A/M 1:1 Macro Lens for Canon Digital SLR Cameras
90mm f/2.8 XR Di 1:1 Macro Tamron lens (272E) * compatible with Canon digital and autofocus film SLR cameras * maximum magnification ratio: 1:1 * minimum focus distance: 11-7/16" *Product Details
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Customer Reviews
Great hand-held macro/portrait lens
Pro:
- great color, IQ, contrast.
- light weight
- accurate AF when needed
- great MF
- well made
Neutral:
- AF is slow but ok for a true macro lens. (My Tamron 180mm's AF stopped working in the first week even though I only tested a couple for times and never really used its AF for real at all. Being a tripod macro lens, MF (plus live view zoom in, which is far better than my 1.5/2.5 vertical finder) is a must for me. I hope AF on this one last longer because AF is indeed useful for hand-held quick shots)
- price (not cheap for a 3rd party). But with $90 rebate, it's not bad at all.
Minor incovenience:
- Once the lens is extended, the only way to get it back is to pull back the focus ring and switch to MF and turn the focus to infinite. A quick release mecahnism would be nice. This is a common problem not unique to this Tamron though.
- There's only one position the hood and back cap can be attached to the lens, a Tamron design. This design makes the attachment much stronger but much more hassle to attach in the first place. I much prefer Canon or Sigma's in this regard. I've never had accident with Canon or Sigma lenses when the hood or back cap accidentally fell off.
- switching AF/MF produces a loud click sound. The switch can only happen at certain positions. My Sigma 20mm/f1.8 got a better design - I can switch any time, the switch is much more smoother.
Bottom line:
I have the Tamron 180mm macro, great when mounted on a solid platform, not great hand held - too big and heavy. This one fills the gap. The small size and light weight is perfect to be carried around with other lenses on routine outings. Like other Tamrons, this one is plastic all the way (hence the light weight), but well made, MF ring is well damped with plenty rotation for fine tuning. I was a bit unsure about the closest focus distance on this one, turns out it's plenty for real wold use. The protruding front element is not a problem in real world use at all (as oppose to Internal Focus of the Canon 100mm Macro, or the Tamron 180mm ). In short, this is a perfect hand-held macro/portrait lens.
Update: this is fantastic tele as well if you are in no hurry. The IQ is just breathtaking. Tried Canon 100mm macro in store the other day, the Canon AF and build quality are better. But if you only use this sort of lens once in a while, you might want to save your buck here because this lens is for real.
Tamron AF 90mm Macro
VERY sharp focus and a reasonably fast focusing motor. I see no downside to this lens at all.
Excellent Lens for the Job
This is my second Tamron DI series lens. I purchased this for my Canon 10D DSLR camera and I have had a lot of fun using it. I like to take photos of strange looking bugs and flowers and this lens is dead-on accurate both in image quality and ease of use. I do wish that the housing was made of a more substantial material (weight wise) but otherwise this is a great lens at a pretty reasonable price.
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วันเสาร์ที่ 7 กุมภาพันธ์ พ.ศ. 2552
Nikon 18-55mm f/3.5-5.6G ED II AF-S DX Nikkor Zoom Lens
Nikon 18-55mm f/3.5-5.6G ED II AF-S DX Nikkor Zoom Lens
For use with Nikon SLR Digital Camera / Uses optional HB-33 Lens Hood / Ultra-high speed autofocusing / ED II Glass Element Lens Nikon Super Integrated Coating minimizes ghosting and flare to provide even higher contrast and more vivid images, even in challenging light conditions New compact rod-type Silent Wave Motor (SWM) enables ultra-high speed autofocusing with exceptional accuracy and super-quiet operation Focal Length - 18-55mm (35mm equivalent 27-82.5mm) Minimum Aperture - f/22-32 Maximum Aperture - f/3.5-5.6 Lens Construction - 7 elements in 5 groups (with 1 ED II glass element and 1 hybrid aspherical lens element) DX Type - DX Nikkor is designed exclusively for use with Nikon Digital SLR models Minimum Focus Distance - 0.28m (11.4 inches) Filter/Attachment Size - 52mm Weight - Approx. 210g (6.8 oz.) / Dimensions - Approx. 69mm x 75mm long (2.7 in. x 2.9 in.) Maximum Reproduction Ratio - 1 - 3.2 Included Accessories - LC-52 Snap-on Front Lens Cap, Rear Lens Cap Optional Accessories - HB-33 Lens Hood, CL-0715 Soft Lens PouchProduct Details
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Editorial Reviews
Amazon.com Product Description
Designed exclusively for Nikon DX-format SLR cameras, this 18-55mm lens approximates the picture angle performance of a 27-82.5mm lens in the 35mm format, ensuring superb versatility in a wide variety of shooting situations. The lens offers such features as a Silent Wave Motor (SWM) with a compact rod-type design that provides fast, ultra-quiet autofocusing; an ED glass element that minimizes chromatic aberration and produces a superior optical performance; a hybrid aspherical element that delivers high resolution and contrast; and a seven-blade rounded diaphragm that produces more natural out-of-focus highlights. The focus mode switch, meanwhile, makes it a breeze to switch quickly between autofocus (A) and manual (M) focus. Finally, the lens's Super Integrated Coating minimizes ghosting and flare to provide an even higher contrast and more vivid images, even in challenging light conditions. All Nikon lenses carry a five-year warranty.
Customer Reviews
Fine lens
Although this lens does not have Nikon's VR - vibration reduction - it is definitely more than worth the price. It is still a Nikon lens - excellent optics and sturdy construction - and with a maximum tele of 55mm, the VR is really not necessary.
Excellent lens for the money but fragile
It's a good thing that this great walking around lens is inexpensive because unlike Nikkor lenses of yore, it is very fragile. That said, this is my second purchase of this lens. I was disappointed that the first one only lasted six months, but I am hard on equipment because I am never in the studio if I can be outside shooting. Why did I buy another? Simple. I haven't found a better lens for everyday shooting (and I shoot every day) that combines a wide angle that also gives me good quality closeups. It's not a micro lens (macro lens to non-Nikon users), but not every shot needs to show every eye on the spider in front of you in hyperfocus detail.
The ability to chose to focus manually is a real plus in closeup mode when the depth of field is relatively shallow and you don't want the camera to choose where the focal plane falls. The focus ring became a tad loose with continual use, but worth putting up with for the price.
Prime lens in the same category as "I wish I would win the lottery"? or just looking for a lightweight all around lens so you don't constantly risk dirt intrusion with every lens change? Give this little lens a try.
Great lens - Great macro
I am very pleased with this lens. I mostly bought it for macro photos, but is gave me a whole new perspective for a "normal" lens for digital 35 mm SLR. Very pleased indeed.
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Nikon 35-70mm f/2.8D AF Zoom Nikkor Lens for Nikon Digital SLR Cameras
Nikon 35-70mm f/2.8D AF Zoom Nikkor Lens for Nikon Digital SLR Cameras
35-70mm D-Series Zoom lens for the NikonProduct Details
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Customer Reviews
marvelous
Marvelous lens. It is wonderfully sharp and gives colors depth and density rather than lollipop saturation.
One of my favorite zoom lenses....
I've posted a bunch of images taken with this lens here on this page. I am a big fan of prime lenses and very picky about the image quality. I have been seriously taking picture for 40 years and this is my first zoom lens that I purchased and I am not disappointed.
Although I saw quite a few very good reviews on the new Nikon 24-70mm f2.8 ED IF lens which can cover more area, After serious considerations, I still will not letting this one go. The full size images look a lot better than the ones that got shrinked (re-sized) and posted here. If I need to cover more area, I will use my 20mm lens for that.
Other than the optic quality, the lens is very well built. It feels heavy given that it doesn't look that big. I usually carry two cameras. This one is now attached to one of my cameras at all time.
Excellent lens for the price
Superb image quality, amazing sharpness, excellent contrast and colors. Focuses quickly on my D50 and with little trouble. The macro mode works great and is a nice addition. The focal range makes it nice for a walkaround lens. Sharp even at f/2.8.
My only complaint is the weight of it, the lens is a tank. But all the good things definitely outweigh the bad. Well worth the $$$.
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