Chastened by my inability to achieve consistently accurate autofocus touchup with the Zeiss Sonnar f/1.8 on the Sony NEX-7, I made a series of 50 photographs using manual focus and analyzed the results. The only important difference between the focusing experience using autofocus override and that using manual focus on the NEX-7 with Sony lenses… [Read More]
Archives for January 22, 2012
NEX-7 — more Zeiss 24mm autofocus testing
Yesterday morning, I set out to make a series of pairs of images, letting the NEX-7 focus the first image in the pair, and manually focusing the second. The images did not turn out the way I expected. I expected to catch the NEX-7 making autofocus mistakes. Now that I understand the limitations of the… [Read More]