Archives for 2015

This is part 8 in a series of posts on a prototype of the Kolari Vision thin-stack sensor modification for the Sony a7II. The series starts here. The Leica 90mm f/2 Apo-Summicron-M  ASPH is a great performer on the Sony a7x cameras. Its exit pupil is far enough from the sensor plane that the corners… [Read More]

This is part 7 in a series of posts on a prototype of the Kolari Vision thin-stack sensor modification for the Sony a7II. The series starts here. The Leica 24mm f/2.8 Super Elmarit-M ASPH is a fair-at-best performer on the Sony a7x cameras. How is it on the Kolari-modified a7II? The scene, at f/2.8, with… [Read More]

This is part 6 in a series of posts on a prototype of the Kolari Vision thin-stack sensor modification for the Sony a7II. The series starts here. The Leica 18mm f/3.8 Super Elmar-M ASPH is a darned good lens on the Sony a7x cameras, though it likes a little stopping down. How is it on… [Read More]

This is part 5 in a series of posts on a prototype of the Kolari Vision thin-stack sensor modification for the Sony a7II. The series starts here. The Leica 50mm f/1.4 Summilux-M ASPH is problematic in the corners on all stock a7x cameras, although it has great on-axis sharpness. It doesn’t work too well on… [Read More]

This is part 4 in a series of posts on a prototype of the Kolari Vision thin-stack sensor modification for the Sony a7II. The series starts here. The Zeiss 35mm f/2 Biogon-M is a close-but-no-cigar lens on the a7x cameras. How does it do after the sensor stack has gone on the Kolari diet? The… [Read More]