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:
Redrock M2 Cinema Lens Adapter E Mount Cinema Lens Tamron 11-20mm F2.8 Sony E Mount Adapter For Cinema Lens Canon Canon Eos M2 Lens Adapter Canon M2 Ef Lens Adapter Redrock M2 Lens Adapter C Mount Cinema Lens Cinema Lens For X Mount X Mount Cinema Lens
Camera Lens Step Down Filter Adapter Ring Zenit E Lens Mount Nikon F Battery Adapter Lens Hood Adapter Ring For Sony Dsch50 Motorola Xt1575 Lens Adapter Nikon Camera Telescopic Adapter Nikon F Mount Wide Zoom Contax Pentax K Adapter Sony Smartwatch 3 Adapter 20mm Rokinon Sony E Mount Autofocus