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
The conventional view is that cameras that allow you to work with multiple lenses are always better. Barry Braverman disagrees.
I recently encountered a thread on one of my favourite forums in which someone was asking for opinions on a Canon EOS-60D package he'd seen on ebay. This package included the 60D body and extras including three lenses including a battery, charger, flash cards, various filters and diopters, cleaning kit, tripod, and more. All of this was neatly photographed and posted for sale on Ebay by a vendor we'll call, in order to protect the guilty, Pretty Cheap Digital, based in New York
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.
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