Materials play a part in the carry-friendly design, too. The barrel uses a mix of light-but-tough thermally stable composite plastic and magnesium. In testing, I mostly used the lens with the compact ...

The SIGMA 500mm F5.6 DG DN OS | Sports lens is a full-frame, ultra-telephoto prime lens exclusively for mirrorless cameras. With outstanding image quality in a remarkably compact and lightweight body, ...

"This ultra-telephoto zoom lens covers a telephoto range up to 500mm and allows photographers to bring the subject close with short perspective. Sigma's original OS (Optical Stabiliser) function ...

At $5,999, the Sigma 500mm F4 DG OS HSM Sports seems like an extravagantly priced lens. That is until you check out the competition: the $8,999 Canon EF 500mm f/4L IS II USM and the $10,299 Nikon AF-S ...

Whenever we go to a photo tradeshow, there are always people in the Sigma booth who want a chance to shoot with their massive green 200-500mm APO lens. Now, however, they have someting with even more ...

Our team tests, rates, and reviews more than 1,500 products each year to help you make better buying decisions and get more from technology. At $5,999, the Sigma 500mm F4 DG OS HSM Sports seems like ...

The Canon EF 100-400mm f/4.5-5.6L IS II USM is a new professional telephoto zoom lens for full-frame DSLR cameras. Is this the perfect do-it-all super-telephoto zoom lens for wildlife and sports ...