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:
Contax G1 Lens Mount Adapter For Contax G Lens Canon G1 X Lens Filter Adapter Leica M To Fuji Adapters Contax N Lens Adapter Lumix G1 Lens Adapter Panasonic Lumix G1 Lens Adapter Lumix G1 Lens Mount Panasonic Dmc-g1 Lens Mount Panasonic G1 Lens Mount
5.0 Ir Filter Lens Ok For Eclipse Canon Ef Mount To Micro 4 3 Sony A7 Lens Adapter Minolta To Micro 4/3 Adapter Image Stabilization Adapter Canon Eos Rp Pentax Adapter Canon Lenses Gopro Housing Lens Adapter 450-800mm Lens Sony E Mount Cannon Rebel T6 Lens Mount Fast Charge Adapter Sony Mdr1000x