I’m taking a break from the medium tele testing to run down an AF anomaly I stumbled onto with the Batis 85/1.8 on the Sony a7RII. That lens has considerable longitudinal chromatic aberration (LoCA), and, when the camera is in autofocus (AF) mode, it focuses systematically in the wrong place, on the side of the… [Read More]
Archives for February 29, 2016
Another medium tele test — Batis AF with a new focus target
This is a continuation of a test of the following lenses on the Sony a7RII: Zeiss 85mm f/1.8 Batis. Zeiss 85mm f/1.4 Otus. Leica 90mm f/2 Apo Summicron-M ASPH. AF-S Nikkor 85mm f/1.4 G. Sony 90mm f/2.8 FE Macro. The test starts here. Horshack, a poster on DPR whose opinions and methods I respect, said… [Read More]