kfconcept
Please note: our M42 adapter ring could not be suitable for Pentax Takumar Super Takumar Carl Zeiss M42 series(aperture pin does not fully depress, small tabs sticking out), as ours depresses the aperture pin all the way down
If your camera indicated "lens is not properly installed", please modify the camera menu settings. Usually called the "release the shutter the lens is not installed", you can modify the settings to allow. Specifically refer to the camera manual.Following are some examples:
Mitakon Lens Turbo Adapter Mark Ii Mitakon Zhongyi Lens Turbo Adapter V2 Lens Turbo Ii Adapter Mitakon Lens Turbo Adapter 50 Mm Lens For Canon Mount Leica To Fuji Turbo Adapter Lens Turbo Ii Adapter Ef Lens Turbo E Mount Lens Turbo Ii M42 To E-mount Mitakon Lens Turbo Ii Fuji Mount
Sony Fdr X3000 Lens Uv Filter Adapt Pentaflex Lens Mont Lens Adapter For Sony Fs7 Nikon Lens Adapters For Sony E-mount Cameras E Mount Lens Reverser E Mount Zeiss Cinema Lens Kit Sony E Mount Lens To Olympus Omd Vitessa T Lens Mount To Sony A6000 Mamiya Rz67 To Nikon Adapter Sony Alpha A-mount 75-300mm