I repeated the analysis of the Zeiss 105mm f/2 ZF macro lens using DCRAW for raw conversion. To review the test conditions, I made all the exposures in an aperture series using a strobe for illumination. I set up a Nikon D4 with the lens mounted. I focused wide open using live view. I turned… [Read More]
Archives for November 11, 2013
Sharpness testing, part 7
I haven’t posted anything on the sharpness testing for the past few days. It’s not because I’ve been busy with other things. On the contrary, I’ve been working way too hard on a problem I’ve discovered. It all started when I looked critically at the results I was getting, and realized that, in some respects,… [Read More]