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. I am now ready to start showing results for my longitudinal chromatic… [Read More]

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. I’ve been testing the lenses for focus shift, and I was unable… [Read More]

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. Yesterday I looked at on-axis focus shift with the Sony 90mm f/2.8… [Read More]

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. In my lens testing, I have been focusing wide open no matter… [Read More]

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. I’ve so far been unsuccessful in measuring longitudinal chromatic aberration (LoCA) directly…. [Read More]