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.
If you use a professional digital camera, you can't go far without understanding the relationship between sensors, lenses and depth of field. It's slightly more complicated than you might have thought!. Phil Rhodes makes it understandable
When it comes to dedicated lenses and 4k, lots of people have an opinion. One that’s probably worth listening to more than most, however, is that of Cooke Optics chairman, Les Zellan, who tells Andy Stout that he’s not impressed
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