The new zoom is compatible with D-SLRs with APS-C image sensors and features the widest aperture ever seen on a lens of this type. Images, and the devices that capture them, are my focus. I've covered ...

Sigma's 200-500mm telephoto zoom has a super-wide f/2.8 aperture, and an extender turns it into a 400-1,000mm lens. Stephen Shankland worked at CNET from 1998 to 2024 and wrote about processors, ...

The 70-200mm market is crowded, but serious photographers looking for a good telephoto zoom lens should seriously consider Sigma's high-end but relatively affordable telephoto zoom. Stephen Shankland ...