kfconcept
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:
Lumix Gf3 Lens Adapter Lumix Gh4 Lens Adapter Lumix Lx3 Lens Adapter Canon Ef-m Rf Adapter Panasonic Gf1 Canon Lens Adapter Leica M Adapter For Lumix Gf1 Lumix Adapter For F-lens Panasonic Gf1 Lens Adapter Lumix Gf1 Lens Mount Panasonic Gf1 Lens Mount
Nikon 18 55 Lens Filter Canon Lens Sony E Mount Sony 28mm F/2 With Fisheye Adapter Canon Eos M Kit 22mm Ef Adapter 52mm Lens Filter Ring Adapter For Canonsx400 Olympus Mf-2 Lens Adapter Lgihtest Sony E Mount Lens Ef To Mft Adapter Aperture Nikon Adapter For Sony Tamron 18-270mm Vc Di-ii Pzd Nikon Mount