The lens looks and feels extremely solid. Its length is almost as long as the Canon 300mm f/4 L lens. As with the Canon lens, the flower-shaped hood makes the ...

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.

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 ...

A solid-built ultra wide-angle lens.

The auto-focus mechanism on this lens is based on Canon's micro motor. It is noisy and doesn't sound very smooth. In low-light and low-contract situation, it ...

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 ...

Servicing the Sigma 105mm f/2.8 EX macro lens. Personally, I've encountered auto focus problems with my Sigma AF105mm macro lens ever since I've had it.

This lens is the second SLR lens I ever purchased. (The Sigma 28-80 is my first.) This lens is about twice the weight of my first lens, and almost twice the ...

I will have to live with my Sigma 105mm f/2.8 EX Macro lens for macro work and my Canon EF 50mm f/1.8 II lens for low-light pseudo-macro lens. The filter thread ...

Apr 3, 2024 · Medium range EF lens with internal focus and internal zoom? Looking for a f/2.8 zoom lens in the range of 28-70mm (could be 17mm or 80mm, ...