the last word

I went for a walk this  morning, and I decided to play with sun stars — that’s the effect you get when you get the sun, or part of the sun, in the image at a small aperture. The sun’s rays striking the diaphragm leaves cause radial spikes of light. If you’re going for part… [Read More]

Here’s a post about what Mike Collette of Betterlight calls “intentional misuse”. I had a Sony/Zeiss 24mm f/1.8 E mount lens sitting around on an NEX-7, where it had been comfortably idle since I got the RX-1 about a year ago. I wondered what would happen if I put it on the a7R, and told the… [Read More]

I’ll get right back to it, but something came up today that’s taking time away from testing the a7R. First, some background. I entered the Center for Photographic Art’s 2014 Juried Exhibition a few months ago. I’m not usually one for entering these kinds of contests, but I find it easy to make an exception… [Read More]

I promised some corner smear tests for the 18mm f/3.8 Leica Super-Elmar ASPH, and the 24mm f/3.8 Leica Elmar ASPH. I’ll show you the results here, both with the Sony a7R and the Leica M240, both res’d up to 12000 pixel across using bicubic smoother. I used Preserve Details in the last post, and I… [Read More]

While waiting for the diffuser to arrive for testing the Adobe Flat Field workflow, I decided to take a peek at corner smearing. I took the lens that had given me a lot of trouble with corner color casts, the Zeiss Biogon 35mm f/2, mounted it on the a7R, went outside and made this picture,… [Read More]