Voigtlander 50/75mm LTM-M adapter (Type II) brand_Jasper Engineering released in 1957- that's a

released in 1957- that's a good three years after the much more modern M3

which doesn’t affect viewfinder function but will prevent other accessories from mounting to the top of the viewfinder

but the belt design makes this an excellent pack for hiking and other activities where a normal shoulder bag might bounce around

So it will autofocus in theory

This Yashica T4 has a clean Carl Zeiss T* 35mm f3

Voigtlander 50/75mm LTM-M adapter (Type II) brand_Jasper Engineering released in 1957- that's aVoigtlander 50 75mm LTM M adapter (Type II) for 50 75mm lenses. In excellent condition, with very minor cosmetic wear. Please note that these are not compatible with "infinity lock" lenses.