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:
Argus C3 Lens Adapter Argus C3 Lens Mount Nex 5 Lens Adapter Nex 6 Lens Adapter Nex 7 Lens Adapter Sony Nex C3 Lens Adapter Nex C3 Camera Mount Lens Sony Nex C3 Lens Mount Pentax K-s1 Slr Body K Mount Sony Nex C3 E Mount
39mm 85 Filter Lens Los Angeles Best Lens Filter For Tamron 70-200 Canon 80d Battery Adapter Sony Nex 5n E Mount Canon Eos R Adapter Filter 400mm K Mount Lens Minolta Lens Mount 1976 Objektiv Adapter M42 Mft Nikon F-mount Camera Adapter Sony Home Theater Wireless Adapter