50mm macro lens for Canon cameras
The Tamron SP AF17-50mm f/2.8 XR Di II LD Aspherical [IF] is a lightweight, compact, fast standard zoom lens designed exclusively for digital SLR cameras. The focal length of this lens is equivalent to approx. 26-78mm in 35mm format. This lens offers an f/2.8 maximum aperture throughout the entire zoom range, to ensure stress-free photographic shots at all focal lengths and distances. Additionally, a broader photographic expression through the use of faster shutter speeds as a result of the maximum aperture offers enhanced photographic pleasure. FEATURES: Optimized for Digital SLR - The use of XR (Extra Refractive Index) glass optimizes the overall distribution of optical power, and also reduces various aberrations to the absolute minimum while achieving remarkable compactness. In addition, suitable positioning of two hybrid aspherical elements serves to maintain imaging performance and to shorten and compress the entire optical system. LD Glass - An LD (Low Dispersion) glass element is used to accomplish effective compensation of on-axis and lateral chromatic aberrations, a critical factor for enhancing optical quality in digital photography, in order to achieve outstanding optical performance over the entire zoom range. Enhanced Peripheral Illumination - Peripheral light fall-off is minimized when compared with that of conventional lenses for film cameras, so images are uniformly bright from the center to the periphery. Internal Surface Coating to Reduce Ghosting and Flare - By employing "Internal Surface Coatings" (i.e., multiple-layer coatings on cemented surfaces of plural elements) and multiple-layer coating technology on ordinary elements, ghosting and flare due to the reflections that occur when light enters through the front element and
| 132 of 135 people found the following review helpful:  Talk about bang for your buck!, By Leetsauce (San Jose, California) - See all my reviews Amazon Verified Purchase This review is from: Tamron AF 17-50mm F/2.8 XR Di-II LD SP Aspherical (IF) Zoom Lens for Canon Digital SLR Cameras (Camera) This is the kind of lens that makes me wish Canon would understand their market better. Instead of putting out a 17-55mm zoom that everyone can afford, they put out a EF-S non pro lens at a pro price, which has serious quality control issues. Tamron, however, responded.This lens is quite sharp. It could definately be used for professional purposes. Sharp at 2.8 and much sharper above. After using this lens, the 17-40mm L, as well as the new EF-S 17-55mm, I can honestly say that Tamron beat out Canon in their own game in terms of quality for the money. Great optics, great range, affordable, and a SIX YEAR warranty, as opposed to Canon's weak 1 year warranty. Buy me. 217 of 230 people found the following review helpful: Best wide angle zoom lens., By This review is from: Tamron AF 17-50mm F/2.8 XR Di-II LD SP Aspherical (IF) Zoom Lens for Canon Digital SLR Cameras (Camera) I tested canon 28-105 3.5-4.5, sigma 24-70 2.8, canon 50mm 1.8, canon 18-55 3.5-5.6. I would say this Tamron 17-50 2.8 is my dream lens. I bought canon 28-105 3.5-4.5 for the focal range but was very sad about its softness and returned it. Then I went to sigma. That's a huge, heavy lens and very solid. Based on reviews, it should be very sharp. however, it was not true in my case. No matter how hard I tried, I never got sharp image. I guess I was not lucky enough to have a good copy and returned it in one week. Finally I bought Tamron 17-50mm 2.8. It surprised me from the very first picture. The sharpness is as good as canon 50mm 1.8 prime, the benchmark. Contrast is very good and color too. 7 blade aperture makes very nice blur background. I care so much about sharpness so the lens is my taste. The focusing is very accurate and fast enough, even though not as fast as sigma. Now I never touch canon 18-55 kit lens, the difference is huge. It's true this lens has no IS. But for 17-50mm... Read more 106 of 114 people found the following review helpful:  This len has lots of potential, but quality control is questionable, By orangejulio (Portland, OR USA) - See all my reviews Amazon Verified Purchase This review is from: Tamron SP AF17-50mm F/2.8 Di II LD Aspherical (IF) Lens with hood for Nikon-D DSLR Cameras (Electronics) I felt like I was taking a gamble when I bought this lens, because I was not able to find many reviews of it. Given that the equivalent Nikon was almost 3x the price, I decided to take a chance. At this point I still can't give a solid thumbs up or down, so I opted to give it a 3. Here is a short history of my experience:1) Bought lens from Amazon to use on my D50. It was a joy to have an f/2.8 zoom lens, but I was not totally convinced about the sharpness (which the few reviews I could find said was supposed to be really good). After comparing it to my other lenses and a rented Nikon 17-55 f/2.8 (great lens, but much bulkier and heavier), I determined that it front-focused so much that the subject would always be very slightly out of focus. It wasn't obvious right away, because the front-focusing meant that the background went out of focus really quickly, making for a great depth-of-field effect. The heavily out of focus background essentially made the subject... Read more |
Now realized thanks to XR technology, Tamron brings you this light and small fast zoom. Unlike typical fast zooms, it weighs only 510g (18oz.), with filter size of 67mm and overall length of 92mm (3.6"). The optical performance is outstanding with the employment of an optical system using two XR elements, three LD elements, and four aspherical elements. In addition, the lens features the “Di” (Digitally Integrated Design) optical system to meet the performance characteristics of digital SLR cameras as well as film cameras.
| 583 of 586 people found the following review helpful: Outstanding lens!, By JanSobieski (United States of America) - See all my reviews Amazon Verified Purchase This review is from: Tamron AF 28-75mm f/2.8 SP XR Di LD Aspherical (IF) for Canon Digital SLR Cameras (Camera) I have never bought a non-Canon lens because I just love the look, feel, and optical quality of the Canon line particularly the L series lenses. But I kept reading glowing reviews about this lens. On multiple websites. So, I went out and took a look.First impression: the build quality is not as good as a Canon L series lens. Duh! It costs about 1/4 as much for goodness sake. This is a plastic lens - not metal. But I must admit that the build quality was pretty darn good. Better, I think, than the Sigma lenses I've seen. Fit and finish was very nice and tight. I'd give the build quality a 4/5. Not bad. I figured I could live with it. Next, I put the lens on my camera. I'd read reviews complaining about the speed of the focusing. It may not be quite as quick as my 200 f2.8 L series lens but it was pretty darn good and for my purposes, plenty fast. A 4.5/5 I'd read reviews complaining about the noise and the fact that the AF was not USM... Read more 344 of 347 people found the following review helpful: Looking for a Good Walk Around Lens? Look no further, By This review is from: Tamron AF 28-75mm f/2.8 SP XR Di LD Aspherical (IF) for Canon Digital SLR Cameras (Camera) I was a fool to have believed that the kit lens(18-55mm f/3.5-5) from the 350D was enough, but I was more than a fool when I thought the "nifty-fifty"(50mm f/1.8) was the only lens I needed. The kit lens was only a "so-so" lens at best. And the nifty-fifty was hard to take pictures when I must be standing at least 5 feet back to capture my subject. The 1.8 of the nifty-fifty was brilliant but having almost everything except one small spot in focus is not worth my "Kodak moments." I needed something more versatile, something efficient and cater to the budget photographer like myself.I scoured the internet for a lens that could be titled as the "King of the Walk around Lenses." Many lenses were nominated by photographers across the net. Lenses such as the Canon 17-40 f/4L, the Canon 17-85 IS USM, Sigma 18-50 f/2.8, the Canon 50mm f/1.8(Nifty Fifty), Canon 24-70 f/2.8L, Canon's 28-135mm IS USM, and much more. A good walk around lens must have versatility, which for me meant a... Read more 108 of 109 people found the following review helpful: An Unbelievable Value, By This review is from: Tamron AF 28-75mm f/2.8 SP XR Di LD Aspherical (IF) for Canon Digital SLR Cameras (Camera) Let me start by saying I didn't want to like this lens. I've been a Canon lens purist since my first camera. I've always considered second party lenses to be inferior and not worth my time. Recently, however, I acquired another body (EOS 1). I wanted a dedicated walk around lens for it, since I'd been alternating my 24-70L between my digital and this new body. Unfortunately, my funds are a bit limited at them moment, so I wasn't able to purchase another 24-70L as I would have liked. So I began an extensive search for a lens that would fit my needs AND budget.After a while, I started leaning toward the 28-105 f/3.5-4.5. However, although I got close to purchasing one several times, I just couldn't pull the trigger. It seemed good enough, but I just wasn't convinced. Then just by accident, I read a review of the Tamron. The review went on and on about the performance and sharpness of the lens. I thought it was all just hot air. Then I saw a second review that stated the same... Read more |
