Zeiss ZE Distagon T* 21mm f2.8 format_120 so it might just be

so it might just be worth the trouble

and the push-pull design makes it easy to zoom and focus at the same time

This lens includes permanently-mounted reflex housing for use with Barnack-body Leicas

The Yashica ML 50mm f2 is a C/Y mount prime lens

with minor wear including one shallow ding at the winder-side front corner

Zeiss ZE Distagon T* 21mm f2.8 format_120 so it might just beThe Zeiss ZE Distagon T* 21mm f2. 8 is a fast wide angle lens for Canon EF mount cameras. Manual focus only, but there's an electronic diaphragm in there for full compatibility with EF mount cameras. Light cosmetic finish wear on the focusing ring, clean glass, good function.