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:
Pentax Q Lens Adapter 28mm E Mount Lens Pentax K To Q Adapter Pentax Lens Adapter For Canon Pentax Lens Mount Adapter Pentax Q Adapter K Canon Lens Pentax Adapter Asahi Pentax Lens Adapter Pentax K-1 Lens Adapter Pentax Lens To Lens Adapter
Cons Of Lens Adapter Nex 6 Lens Mount Adapter Version Xume 67mm Lens Adapter Nikon 3400 Lens Mount Olympus Om20 Lens Mount Sony Mount 0.95 Lens Nikon 1 V1 Flash Adapter Sigma Mc 11 Nikon Mount Fotodiox M42 To Pentax Adapter Novoflex Adapter Md To Sony