Compatible lenses:

ZEISS Biogon T* 2/35 ZM 35 / 50, round / black 000000-1365-667
ZEISS C Biogon T* 2,8/35 ZM 35 / 50, round / black 000000-1365-667
ZEISS Planar T* 2/50 ZM 35 / 50, round / black 000000-1365-667