Sigma EX 28-70 / 2,8 DG Reviews

Third Sigma EX series lens I've purchased, also have the 20mmf/1.8 and 10-20mm f/3.5+, both are truly fine lenses in build, sharpness, color rendition. Even with regular professional use, I have found the Sigma EX lenses as good as equivalent Nikkor lens...

1. Incredibly sharp optics, at f/3.5 or above. At f/8 to f/22, its almost ridiculous, reminds me of the finest Schneider optics on Hasselblad and 4x5 shot on a locked tripod. Many say this lens is noticeably sharper than the Canon L or Nikkor ED equivalen...

A few, and minor at best ; 1. Size-weight. This is no weenie, it's a bit of a bear. Big and on the weighty side, but featherweight gear is not as stable, and therefore more prone to camera and mirror slap shake at lower shutter speeds. This lens on a D3x...

I was very worried that another Sigma product would have the focus issue that is plastered all over the net. I am fortunate. a Few pictures so far and I havent noticed it. Which is great becasue even on a tiny LCD I noticed it when using the Sigma 28-70mm...

Weight ; 2.8 Constant ; Sharp ; Clarity ; Contrast ; Fast Auto Focus (I have used Tamron in the past and to me this was faster, but not as fast as my Canon 1.8 MK1)

None so far (only had it for 3hrs) as of 1-13-09 1615hrs

A compact zoom lens with large aperture from 24mm super-wide-angle Aperture range: f/2.8-22 Min focus: 15" (38 cm)

Everything. The weight, the feel, the tones, the sheen. You will be proud to say that you used this paper after you do.

None whatsoever, unless you dont like Gloss, in that case suck it up.