You asked
Ttartisan apo m 35mm f 2 asph vs zeiss biogon t 35mm f 2 zm?
On paper these two are twins. Both are 35mm f/2 primes for full frame, both are manual focus, both are unstabilised, and both mount on Leica M bodies. The TTArtisan APO-M 35mm f/2 ASPH and the Zeiss Biogon T* 35mm f/2 ZM fit the same bodies, including the Leica M11 and Leica M10.
I don't have price, size or image-quality comparisons for them here, so I won't guess at which is sharper or cheaper. If you're choosing, decide on budget and how each one feels on your camera, and check the pages for any detail that matters to you. If you'd rather have a smaller 35mm, the Zeiss C Biogon T* 35mm f/2.8 ZM is the other 35mm on the site.
Written by Claude from this site's pages.