Sigma surprised a few people when they announced their new 18-35mm zoom lens with a constant f/1.8 aperture back in April. Now they've surprised a few more by announcing the price - $799
Erik Vlietinck tries out the lens correction in this major new update with a GoPro camera
Phil Rhodes looks at if Samyang's Lenses will be able to compete with in a market with an unbelievable price - eight to twenty times lower than the competition!
This holiday we're re-running some of our most popular articles, in case you didn't see them the first time. Today: One day — soon — it may be possible to take almost perfect photos and videos with less-than-perfect lenses.
Last time, we discussed some of the technical concerns of lens selection and the issues of compatibility with sensors of various configurations and sizes. In this part, we'll look at the effects sensor size has on photography and the engineering compromises behind lenses and sensors
It’s fast but it’s also a zoom lens! For a long time now, zoom lenses have been firmly in the world of compromise. They are practical in terms of saving lots of time on low budget productions but that advantage comes at a cost.