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:
Long Throw Projector Lens Adapter Short Throw Lens Adapter Short Throw Projector Lens Adapter Long Throw Lens Adapter Cokin P Series 77mm Lens Adapter Ring F30 Adaptive Lens Broken F30 Adaptive Lens Bump F30 Adaptive Lens Fell F30 Adaptive Light Lens Moved Short Throw Lens Adapter Benq
Sony Fs700 E Mount Thrid Party Canon Em Adapter Leica Q2 Lens Mount Leica S Lens Mount Anamorphic Lens Adapter 1.5 Fisheye Lens Or Adapter Gopro Hero 6 Lens Adapter Sony A7r4 With Alpha Mount Lens Pentax 16mm 1 4 C Mount Sony Playstation 3 Wifi Adapter