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The Tamron 17-50 f2.8 VC does what is says on the tin. The product is a cheaper version of the higher quality Canon or Nikon glass. The lens features Tamron’s highly talked about Vibration Compensation which gives videos a considerable less wobble and crisper images. Instantly I could feel that the weight of the lens was so much more than that of the Kit lens I have on my Canon 550d. This is a huge negative for lens as it becomes hard to carry after wandering around for a while. Another negative for the lens is the zoom. The ring is so hard to turn; I thought it was locked for a minute or so. This makes zooming hard and shaky (especially for someone filming).The last negative that I could find was the VC noise. It makes a annoying whine when it is running. For the normal photographer, this would be fine but for any amateur film makers who are still recording audio with the built in microphone, I recommend not getting this product. On the other side of the scale however, the positives far outweigh the negatives with this product. It has a great aperture which gives great low light performance. The zoom range is great for APSC sizes censors giving both wide angle and short telephoto. The Picture quality is outstanding for the price and the quality of the lens as a whole it amazing. If you are an armature photographer looking for a step up from the kit lens to give you a better image quality and low light performance, look no further.Vollständige Rezension lesen
Whilst trying to decide on a better lens for my 1.6 crop camera body from the Canon stable, I happened upon another review for this lens. A good lens equals a good price, or should I say, a seriously good price. Big money normally has to be spent in order to obtain the crisp sharp results we all crave. Add this attribute to the fact that this lens also has a permanebt aperature of f/2.8 and you have a seriously useful lens. Wide open this lens gives excellent results, images are sharp in the centre and remain pretty sharp into the corners. Effective in low light conditions, especially indoors and with an off-camera flash. This lens is comparable with the Canon EF-S 17-55mm f/2.8 in terms of overall quality, minus the image stabiliser. This is no joke... Cost wise this lens is more than half the price if bought at new retail prices. So, in my opinion this lens is an absolute bargain with a really useful focal range and a lens that I would not hesitate to use for important shots wide open! This is the 1st non Canon lens that I have bought so now I can use the saving to add to the next important purchase...Vollständige Rezension lesen
Anyone thinking about the Tamron SP 17 -50mm has also probably considered the Sigma DC 17-70mm (you should). Both are about the same price and both get good press reviews, but which is best? Well I have both and here’s what I’ve found. Opened wide at f2.8 both are reasonable in the centre of the image, however the quality quickly fades towards the edges of the shot. In fact the edges are very, very soft on both. To be honest using f2.8 should only be used as a last resort. Both lenses get much better at F6.3 and above. In my test the best quality was achieved at f13 on both lenses. Closed down further, I found the quality started to soften at the edges. Taken above f22 this was very noticeable, again it was the same in both cases. So I here you say – “Stop telling me the obvious and tell which was better!” Well at f13 the Tamron was the best across the entire image, even right into the far corners. The Sigma was a bit softer at the extremes. Being ultra critical the Tamron SP was a fraction sharper in my test. By the way my test involved having the camera (Sony A580) mounted on the tripod, shooting newspaper text from 2 meters, with a remote release. So there you have it, the Tamron was a bit (and I mean a bit) better. Question answered or is it? In the real world the difference in image quality is just not that noticeable, unless you’re pushing things to the extreme. Other factors come into play. The Tamron only has a 50mm zoom, the Sigma has 70mm’s and that can be very handy if you need to get that bit closer. The Sigma also feels a bit better made. The Tamron is a tad too plasticky for my liking. The lens hood feels like it won’t last long on its mount. I’ve had the Sigma lens for four years and it’s had a lot of use and nothings dropped off yet! So after all this anorakish waffle what’s my conclusion? The answer is there is no clear winner. If you want the sharpest lens get the Tamron, if you want the most flexible get the Sigma. Whichever you spend your ill-gotten-gains on, you’ll have a winner. Both are big improvement on a crappy kit lens. I hope that helps.Vollständige Rezension lesen
I researched long and hard for a constant f2.8 medium range zoom lens. This lens scored well on all the reviews I read when considered on it's own or in group tests with lenses of similar specification. Having lived with it for a couple of weeks I can confirm all the positive reports I read about this lens were true. Excellent value for money