This is a continuation of the real-world, informal testing of the Sony/Zeiss 55mm f/1.8 Sonnar FE (Zony 55) and the Zeiss 55mm f/1.4 Otus ZF.2 lenses on the Sony alpha 7R (a7R) and Nikon D810 cameras. In this post, I’ll present corner captures at various apertures from the Otus on the D810 and the Zony… [Read More]

This is a continuation of the real-world, informal testing of the Sony/Zeiss 55mm f/1.8 Sonnar FE (Zony 55) and the Zeiss 55mm f/1.4 Otus ZF.2 lenses on the Sony alpha 7R (a7R) and Nikon D810 cameras. The overall scene is in the previous post. In this post, I’ll present edge captures at various apertures from… [Read More]

There have been two controversies floating around the ‘net recently. Is the Sony/Zeiss Sonnar 55/1.8 FE (Zony 55) the equal of the four-or-five-times-more-expensive Otus 55/1.4? Is the D810 somehow sharper than the a7R? I’ve got my own thoughts on both issues, but rather than just bloviate, I prefer to do some tests and report the… [Read More]

The Nikon D810 EFCS is a little finicky in use. To get it to work, you have to turn it on in the menu, and set the shutter control dial in Mup position. When that’s done, the first press of the shutter button will raise the mirror and open the mechanical shutter, and the second… [Read More]