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:
Leica M To M39 Adapter M39 To Mft Adapter M39 To Nikon F Adapter Adapter M39 Leica M Adapter M39 Canon Eos Leica M Lens To M39 Body Adapter Leica M39 To Leica R Adapter Leica M39 To M42 Adapter Leica M39 To Nikon Adapter Attaching Gobe Lens Adapter
50mm Prime Lens E Mount Sony 200 600mm E Mount Canon Bayonet Mount Lens Hood Canon Adapter For Fuji Xt1 Canon Rf Adapter Drop In V Nd Fuji G Mount Lens Voigtlander Vitessa T Lens Mount Sony 35mm E Mount Soligor Sony E Mount Lenses Third-party Sony F1.8 E Mount 18-50