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:
Jupiter 8 Lens Mount Fujifilm Xc 50-230mm F 4.5-6.7 Ois X-mount Jupiter 9 Lens With Mft Adapter Jupiter 8 Lens M Mount Jupiter 8 Lens X Mount Jupiter 9 Lens Mount Jupiter Lens E Mount Jupiter Lens M Mount Jupiter 8 Adapter For Sony Jupiter 8 Sony Adapter
Nikon Z6 With F Mount Lenses Sigma 50-500mm Sony E Mount Canon Ef Mount Photos Canon Slr With Fd Mount Adapt Projection Lens To Camera 35mm Sears Slr Lens Mount Lens Turbo Ii M42 To E-mount Minolta Srt 200 Lens Mount Sony 4 3 Lens Mount Adapter Sony Vaio 16v 4a