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 Chinon Ce 4 Lens Mount Canon Gx7 Mark 2 Filter Adapter Canon Gx7 Mark Ii Adapter For Lense 58mm Lens Adapter Gx7 Mark Ii Lumix Adapter For F-lens Panasonic Gx7 Lens Adapter Lumix Gx7 Lens Mount Panasonic Gx7 Lens Mount Panasonic Lumix Gx7 Lens Mount
Prime Focus Adapter Nikon Sony A7s E Mount Genuine Pentax M42 Adapter Sony Wm Port Adapter Canon 50 1.4 Manual Lens Mount Samyang 18k To 400 Canon Mount Commlite Adapter Nex Canon Fuji Nikon G Adapter Sony D10 Home Theatre Adapter Batis 2.8 135 Sony E-mount