The Otus 1.4/55 (ZF2. mount) is next to the Otus 1.4/50 (E mount) on the right. There is a huge difference in size, and the weight also differs by about 300g (via DC.watch )
PetaPixel had a chat with Zeiss manager and he said this about the lens design:
“With the Otus way, we are not relying on any of those. That’s part of the design goal. Of course
