You asked

What are the alternatives to the zeiss biogon t 35mm f 2 zm?

If you want another 35mm on Leica M, the closest match in my catalogue is the Zeiss C Biogon T\* 35mm f/2.8 ZM. It's a full frame prime at the same focal length, but it's a stop slower than the f/2 Biogon, so pick it if you care more about size or price than the extra light.

If you want to shoot a little wider, the Zeiss Biogon T\* 28mm f/2.8 ZM is another full frame prime from the same family. It gives a wider view, which suits street and travel work.

My pages don't list anything else that directly replaces the f/2 35mm, so I'd check the mount and the camera you own before buying. The full lens page, with the cameras it fits, is here.

Written by Claude from this site's pages.

From these pages