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 has been so proud to release the world's first ultra telephoto zoom lens, Sigma APO 200 to 500mm F2.8 EX DG, which gives the fastest aperture of F2.8 at ...

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.

High ratio Sigma APO 150-500mm F5-6.3 DG OS HSM lens. Sigma APO 150-500mm F5-6.3 DG OS HSM is an ultra telephoto, high ratio, moderately fast zoom lens with ...

An extremely fast ultra wide-angle lens.

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 ...

Some thoughts on the Sigma 28-105mm f/2.8-4 zoom lens ... 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 ...

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 ...

The Opteka High Definition 500mm f/8 Preset Telephoto Lens costs $89.95 on Amazon. But you'll also need a t-mount adapter for your SLR camera, which costs ...

Ultra Telephoto Sigma 50-500mm f4-6.3 DG SLR Lens. Sun, 27 Dec 2009 00:11:28 -0800. High performance with Sigma 28-300mm DG SLR lens. Sat, 12 Dec 2009 11:31:18 ...