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:
Leica Cl L Mount Leica Cl Lens Mount Leica Cl M Mount Leica Cl M Adapter Leica Cl Battery Adapter Leica Cl M Lens Adapter Leica Cl R Lens Adapter Leica Cl Silver Adapter Leica Cl With M Mount Lens Adapter To Make Manual Lens Autofocus
Sony Fe 70 200 F4 Lens Filter Blackmagic 6k Pro Sony Mount 16 Mm Sony E Mount Canon Fk Mount Lenses M42-nex Tilt Lens Adapter Oben Be-126 Ball Head Lens Mount Adapter For Nikor Lenses To Pentax Cameras Sony 35mm Camera Vario Sonnar 3.6v Adapter Sony Floppy Disk Adapter Memory Stick Ef Mount Sony A7