Saturday, June 23, 2012

Sigma 50-500mm f/4.5-6.3 APO DG OS HSM SLD Ultra Telephoto Zoom Lens for Canon Digital DSLR Camera

Best Sigma 50-500mm f/4.5-6.3 APO DG OS HSM SLD Ultra Telephoto Zoom Lens for Canon Digital DSLR Camera




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Sigma 50-500mm f/4.5-6.3 APO DG OS HSM SLD Ultra Telephoto Zoom Lens for Canon Digital DSLR Camera Reviews


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Rating: 3.8
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Sigma 50-500mm f/4.5-6.3 APO DG OS HSM SLD Ultra Telephoto Zoom Lens for Canon Digital DSLR Camera

Sigma 50-500mm f/4.5-6.3 APO DG OS HSM SLD Ultra Telephoto Zoom Lens for Canon Digital DSLR Camera Overview:


  • Construction 16 Groups /22 Elements Angle of view 46.8° - 5° F stop range 22 Closest Focusing Distan

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Sigma 50-500mm f/4.5-6.3 APO DG OS HSM SLD Ultra Telephoto Zoom Lens for Canon Digital DSLR Camera



Sigma 50-500mm f/4.5-6.3 APO DG OS HSM SLD Ultra Telephoto Zoom Lens for Canon Digital DSLR Camera Reviews


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39 Reviews
5 star:
 (19)
4 star:
 (8)
3 star:
 (4)
2 star:
 (3)
1 star:
 (5)
 
 
 

77 of 79 people found the following review helpful
3.0 out of 5 stars Focus-Focus, October 4, 2010
Amazon Verified Purchase( What's this?)
This review is from: Sigma 50-500mm f/4.5-6.3 APO DG OS HSM SLD Ultra Telephoto Zoom Lens for Canon Digital DSLR Camera (Electronics)
Just received the lens. Using with a Cannon EOS XTi.

Pros
- Sturdy feel to the lens
- Impressive focal length range.
- Good picture quality throughout the range (speaking as a non-pro)
- OS pretty good. Taking acceptable quality hand-held shots at full extension in bright sun.

Cons
- Autofocus not working out-of-the-box. Of note that this lens was NOT in the serial number range specified by SIGMA's customer alert.
- Very poor response time on queries to SIGMA's tech service.
- Some (minor) vignetting noticable at longer focal lengths.
- Does not work with my TAMRON teleconverter even though this TC does function with my Cannon lens.
- Heavy

Returning the lense for replacement through AMAZON due to the autofocus issue. Will see how well the next one does.

UPDATE:
Received replacement lense from AMAZON with working autofocus. Took it out today for extensive testing and am well... Read more
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53 of 56 people found the following review helpful
5.0 out of 5 stars I am amazed, May 13, 2010
By 
Eric Zhang (Georgia, USA) - See all my reviews
Amazon Verified Purchase( What's this?)
I've had this lens for a few days and am very pleased with it. Given the fact that it's covering such a wide range, I didn't expect it to have very high IQ, yet I am pleasantly surprised. I measured it against my super sharp Nikon 70-200mm f/2.8 VRII with TC-17, both @ 340mm f/6.3 and f/8, and the IQ is about the same on a D300s, even though on a full frame D3s, the 70-200mm + TC-17 is slightly sharper. This is quite remarkable, because 70-200 f/2.8 VRII is one of the best lenses Nikon has ever made, and it can produce better pictures at 100mm than the highly regarded Tokina 100mm macro lens I own, and even when shooting macros, the 70-200 + TC-17 + Canon 500D combo is comparable to the Tokina 100mm.

Image color is great, with vivid contrast. I had a few bird shots at fully extended 500mm and they turned out to be great pictures. CA is minimum too, only slightly visible when fully zoomed in, and no worse than my 70-200+1.7 combo. Focus is fast, even though it has always... Read more
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34 of 38 people found the following review helpful
4.0 out of 5 stars Nice Lens, June 22, 2010
By 
Rented this lens for my son and nikon 500mm f4 for myself for yellowstone photo vacation. Honestly the 50-500 was considerably more useful. OS seemed to be better or at least equal to nikon vr, only slightly less sharp, contrast and colors are also very good. Size difference is huge and he was able to get shots before i could manuver the huge nikon lens. Autofocus was snappy and acurate, he was able to get spot on pictures of golden eagles at 500mm in flight free hand held. I grabbed his camera to jump into a riverbottom and get pictures of a bull moose, that's when i realized just how good this lens seems to be. 6.3 is a little dim but with ISO performance getting better less of an issue. I've always had issues with non-nikon lenses hunting but didn't experience it or at least it was small enough it didn't leave an impression. Distortion seems aceptable and after i review the photos a bit i will likely purchase one.
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