I managed to continue using it for quite some time. But not being able to use auto-focus on an AF-capable lens bothered me. Finally, I decided to disassemble it ...

The lens is very solid and sturdy, yet not very heavy. Focus ring has full throw, rather than the very short throws on zoom lens, which may be why AF is slow.

Sigma 105mm f/2.8 EX DG OS Macro Lens for Nikon AF Cameras $769 Shipped. Sigma 105mm f/2.8 EX DG OS Macro Lens for Nikon AF Cameras for $769. Expires 3/31.

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 ...

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 ...

An extremely fast ultra wide-angle lens.

A solid-built ultra wide-angle lens.

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 ...

The Novoflex adapter instruction manual warned of some Nikon lens incompatibility with Canon cameras. ... The two lenses are: 1) Sigma 17-35mm D Aspherical EX ...

The value of this lens is exceptional. At $80 from B&H, it is one of the cheapest lenses available. In fact, I don't recall any lens cheaper than this lens ...