Archives for 2016

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. It is a widely-held belief that lenses have subtle differences in their… [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 we looked at the five lenses’ bokeh in a scene without… [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. It’s time to take a look at bokeh. I’ll organize this by… [Read More]

When you focus using the LCD screen or an attached monitor, with or without the peaking enabled, you are focusing on luminance. And that’s appropriate, since human contrast sensitivity functions allow us to see fine image detail by seeing changes in luminance. But I’ve been reporting on the peaks in raw color planes. How does… [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. When John Henry was a little baby sittin’ on his daddy’s knee… [Read More]