Super slim M42 screw mount lens to Olympus Panasonic Micro 4/3 mount adapter - for macro helicoid extension ring - OM-D E-M5 II OM-1 GH5 telephoto lens Diaphragm blades: 10

Diaphragm blades: 10

for the lucky cat

For using Pentax K mount DSLR cameras with Minolta MD mount lenses

which provides quiet and fast autofocus to help capture the remarkable moments

Super slim M42 screw mount lens to Olympus Panasonic Micro 4/3 mount adapter - for macro helicoid extension ring - OM-D E-M5 II OM-1 GH5 telephoto lens Diaphragm blades: 105mm thickness, designed for M42 extension rings and helicoid rings (sold separately). Also used for modification of camera mounts. For using Olympus Panasonic Micro Four Thirds M4 3 mount mirrorless digital cameras with M42 (42mm x 1. 0) screw mount helicoid rings. Switching on "Release shutter without lens" in custom menu may be needed on several cameras, then switching shooting mode to M (manual) is recommended.