>> Recently I have acquired the Sigma 105mm f/2.8 EX >> macro lens (Canon EOS model). It is extremely well >> built. I enjoy using it very much. >I would be ...

They both offer zoom function in the 70mm to 200mm range, f/2.8 wide-open aperture for low-light work, and provide super-quiet auto-focus operation with ...

Personally, I've encountered auto focus problems with my Sigma AF105mm macro lens ever since I've had it. I find that sometimes AF is completely redundant in ...

The Sigma 105mm f/2.8 EX macro has been my all-time favorite lens. It has the capability for me to explore tiny worlds around our environment, which we ...

The Sigma 28-105 is good for the money. It is a bit soft. I like using it for portrait and B&W photos. I like it with B/W because I do not like ...

The Sigma 24-60mm F2.8 EX DG Lense is one of sigma's latest professional lens creations. Although simple in design, the overall lens offers a stunning array of ...

Sigma APO 70-200mm F2.8 II EX DG MACRO HSM Won't Auto-Focus. Well I love the lens when it was working. Im at a soccer game yesterday shooting my two ...

Nov 19, 2019 · That's a good question. In the past, you have the send the lens to Sigma to have the firmware updated. I don't know if there is anyway you can ...

Some thoughts on the Sigma 105mm f/2.8 EX macro lens ... Did your message disappear? Read the Forums FAQ. Add Comment. Spam Control | * indicates required field ...

The lens gets designed to give a best performance with digital SLR cameras and 35mm film cameras. This lens contains two special low dispersion elements. It ...