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:
Nikon Coolpix Lens Adapter Coolpix B500 Lens Adapter Coolpix L810 Lens Adapter Coolpix L820 Lens Adapter Coolpix P520 Lens Adapter Coolpix P600 Lens Adapter Nikon Coolpix 995 Lens Adapter Nikon Coolpix L120 Lens Adapter Nikon L120 Lens Adapter Sony Adapter To Nikon Fmount
Nikion 52 Mm Lens Filter Sony A7rii E Mount Lens Mount Identification Guide Helios Lens Adapter To Canon Nikon P600 Lens Adapter Sigma L-mount Cine Lens Nikon Camera Wireless Mobile Adapter Adapter Eos Sony E Sony 11 18mm A Mount Sony E-mount With Image Stabilization