Technical Discussions
Once upon a time I wrote an article attempting to explain phase-detection autofocus and its limitations. That was a lot like trying to explain what happened to the Mary Celeste or why Stonehenge was built. Actually we probably have a better handle on the Stonehenge thing than we do on the Mary Celeste or phase-detection autofocus. So […]
Lenses and Optics
So the usual happened today: I read in a couple of places that the Canon 18-135mm IS STM lens isn’t going to be available in the U. S. for a while. A few minutes later Tyler walks in my office with one, asking if I want to test it. Let me be clear where I’m […]
Lenses and Optics
I write a lot about the fact that every copy of a lens is slightly different than every other copy. Now don’t get me wrong: I’m talking slight differences that are barely detectable, not good or bad. Even when things appear to be in the “bad lens” area, they usually aren’t. The majority of the […]
Equipment
Today’s Guest Blogger Aaron Nace is going to show you tips on creating and compositing fantastical images with a lens he considers to be one of the best. Aaron is a Chicago-based photographer and retoucher who combines elements of reality and fantasy to create his images. Aaron has taught Photoshop and photography to over 100,000 […]
Technical Discussions
First, for those of you who aren’t aware, the new AF system in the Canon 5D III has different available autofocus points with different lenses. Canon has listed all of their lenses in the 5D III manual (pages 78-84 for those of you who don’t do manuals much) telling you which of the 61 AF […]
