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:
Pronto Lens Adapter Nikon Rokinon Sony E Mount Pronto Lens Adapter For Canon Pronto Auto Focus Lens Adapter Pronto Lens Adapter Fuji Fotodiox Pronto Adapter For Canon Pronto Canon Fd Adapter Pronto Lense Adapter Canon Fotodiox Pronto Adapter For Nikon Pronto Adapter For Nikon
Nikon D7000 Lens Mount Type Nikon To X Mount Focus Peaking With Canon Lens Adapter Nikon Z7 Leica M Adapter Compatible Lenses For Olympus Mmf-3 Lens Adapter Lens Adapters For Sony A68 Note 3 Lens Adapter Olympus Mf-2 Lens Adapter Minolta Maxxum 7 Lens Mount Nikon D800e With Adapted Lenses