The conventional view is that cameras that allow you to work with multiple lenses are always better. Barry Braverman disagrees.
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
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
One day — soon — it may be possible to take almost perfect photos and videos with less-than-perfect lenses