Sigma 50-500mm f/4.5-6.3 APO DG OS HSM

Last updated (18 November’11):
- Review by Bobatkins

The Sigma 50-500mm f/4.5-6.3 APO DG OS HSM features 50-500mm at focal length with maximum aperture of f/4.5-6.3. The lens construction has 22 Elements in 6 Groups and has diagonal angle of view at 46.8 degrees. Closest focusing distance at 50-180 cm/19.7-70.9 in and has a filter size of 95mm. The Sigma 50-500mm f/4.5-6.3 APO DG OS HSM lens weighs 1970g/69.5oz and it measures 4.1 inches in diameter and 8.6 inches long.

Sigma 50-500mm f/4.5-6.3 APO DG OS HSM
Overall Rating: ★★★★½ | Latest Price Info

Expert Reviews

Sigma 50-500mm f/4.5-6.3 APO DG OS HSM Reviews

CanonBlogger reviews the Sigma 50-500mm f/4.5-6.3 APO DG OS HSM and writes;
“All in all, the Sigma 50-500mm is a great lens. It stood up for the challenges of both wildlife and aerial photography, as well as lunar and even a portrait shot of the canine companion..”
Rating: ★★★★☆

Bobatkins reviews the Sigma 50-500mm f/4.5-6.3 APO DG OS HSM and writes;
“Overall I’d rate the image quality of the Sigma 50-500/4.5-6.3 OS HSM as good at all focal lengths, especially in the center of the image.. Generally the AF works well. The HSM motor is fast and quiet, as you would expect. Overall AF accuracy seemed pretty good but I did notice a number of images (taken at the long end of the zoom range) which were a little out of focus.”
Rating: N/A

Popphoto reviews the Sigma 50-500mm f/4.5-6.3 APO DG OS HSM and writes;
“In our Test Lab, its SQF sharpness numbers were Excellent at 50 and 100mm. As expected, they dropped to Very Good then Good at 200mm and 300mm, respectively. At 300mm, it was just slightly less sharp than Canon’s comparable 100–400mm IS zoom..”
rating: N/A

User Opinions

Sigma 50-500mm f/4.5-6.3 APO DG OS HSM User Reviews

I am amazed | Rating: ★★★★★
“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 been a challenge for me when shooting sports and moving animals. Build is very solid…” – by Eric Zhang

Used for two days so far, very pleased with this lens. | Rating: ★★★★★
“First impression is the “velvety” matte-black finish that is quite different from the “white” Canon 100-400. It seems to be solidly built, zoom is slightly stiff, focus is fast and quiet, OS kicks in and out with a slight click..” – by Plankwing

Nice Lens | Rating: ★★★★☆
“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..” – by Campby

More user opinions | Write your opinion

Features & Specifications

Sigma 50-500mm f/4.5-6.3 APO DG OS HSM Specifications

Sigma’s NEW APO 50-500mm F4.5-6.3 DG OS HSM is an advanced optical design of this 10x power high-performance zoom lens that covers the standard-to-super-telephoto range, now with the added advantage of Sigma’s own Optical Stabilization which offers the use of shutter speeds approximately 4 stops slower than would otherwise be possible. Sigma is the only one to offer OS for Sony and Pentax mount where the image is stabilized in the viewfinder if chosen.

For many photographers, having an “all-in-one” lens is an absolute dream. Especially for nature photographers, the idea of a lens suitable for landscape photography at the short end of the zoom range, while still having enough reach for wildlife is a great option. Add to that, the ability to close focus on small objects in the field such as flowers and it’s the perfect backpackers’ lens. Four SLD (Special Low Dispersion) glass elements provide optimum color correction & sharpness throughout the entire zoom range and super Multi-Layer lens coating reduces flare and ghosting and assures high image quality throughout the entire zoom range. With no need to change lenses, there is less chance of dirt or moisture entering the camera and fouling the imaging sensor.

The filter size of this lens is Diameter 95mm and the lens is supplied with a step down ring enabling digital cameras with an APS-C size image sensor to use an Diameter 86mm filter.
*It is not possible to use a Polarizing filter with the step down ring. If you attach a Polarizing filter, you may not be able to remove it from the lens again.

See also: Lens Reviews | Sigma Lenses

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