Sigma APO 500mm F4.5 EX DG HSM

alaTest has collected and analyzed 1 user review of Sigma APO 500mm F4.5 EX DG HSM from Amazon.com. The average user rating for this product is 3.0/5, compared to an average user rating of 4.3/5 for other products in the same category on Amazon.com.

the reason i purchased this lens was for wildlife photographs the challenge is to get close without disturbing the subject and to capture movement-when using this lens with the sony A77 and the build in teleconverter set at x2 i get continuous focus at...

I've purchased this lens for handheld using, and it work perfectly for birdwatching.

On sony, Super lens, sharp and fast focus, image stabilization doesnt do much at this point IF you have time wait for a optical stabilized version

I bought my lens used from a charity shop - it's the earlier APO version which has the 'Camo' paintjob and manual focus. IQ is fantastic at full aperture and the sliding lens hood makes the lens easier to store and use.

The 500mm sigma offers few compromises yet offers excellent value for money and supurb performance. Perhaps not quite as sharp as my previous 300mm f2.8 but it is sharper than the 300 + 1.4x tc. AF is swift and sure, plus the lens nails the focus, none...

[Please note: this review is for the previous version of this lens. The review below is for the Sigma 500mm, f/4.5, EX APO HSM lens, with aperture ring. The current marketed lens has a DG designator. It is very similar in design and construction but...

Sigma 500mm f4.5 EX Apo is one of the EX Series lenses. It is an Apochromatic ultra-telephoto lens with a fast F4.5 maximum aperture, and it incorporates two Extraordinary Low Dispersion glass elements (Abbe number 90.3), to reduce chromatic aberration...