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:
Ricoh Gr Iii Lens Filter Ricoh Gr Ii Lens Filter Ricoh Gr Iii Lens Adapter Ricoh Gr Iiix Lens Adapter Ricoh Gr Lens Adapter Nisi Lens Adapter For Ricoh Gr Iii Ricoh Canon Lens Adapter Nikon Z Lens Tilt Adapter Ricoh Gr Iii Wide Angle Lens Adapter Ricoh Gr Lens M Mount
Sony Alpha A200 Lens Mount Sony E Mount Nd Filter Adapter Srb Griturn Lens Adapters M42 To Nikon Mount Using Lens Mount Adapters Minolta X-7a Lens Mount Mitakon Lens Fuji X Mount Nikon 1 Mount Lens Cx Format Widest X Mount Autofocus Lens E-mount Lenses For Sony