Pentax 645 mount P645 lens to Canon EOS R RF mount mirrorless adapter - R R5 R6 lens cap There is no rangefinder coupling

There is no rangefinder coupling

Please refer: https://metabones

For using Pentax Q mount mirrorless digital cameras with all Contax Yashica C/Y mount lenses

- 90mm: Rodenstock APO Rodagon 90mm f/4

Filter size: 55mm

Pentax 645 mount P645 lens to Canon EOS R RF mount mirrorless adapter - R R5 R6 lens cap There is no rangefinder couplingFor using Canon EOS R (RF) mount mirrorless digital cameras with all Pentax 645 mount manual lenses. Switching on "Release shutter without lens" in custom menu C. Fn5, then switching shooting mode to M (manual) is recommended. Allows focus infinity. Not suitable for Canon EOS film digital SLR cameras and Canon EOS M (EF M) mount mirrorless cameras.