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:
Mamiya 6 Lens Adapter Mamiya 645 Lens Adapter Mamiya 7 Lens Adapter Mamiya 7 Lens To Sony E Adapter Mamiya Press Lens Adapter F Mount Zoom Lens Mamiya Rz67 Lens Mount Mamiya To Canon Lens Adapter Mamiya Lens Adapter Canon Mamiya Rz67 To Nikon Adapter
Clear Or Uv Filter For Lens Viltrox Nf-z Lens Adapter Fuji Xt3 Lens Mount T2 To Sony E Mount Adapt 60mm Enlarger Lens Onto Sony A7 Rokinon X Mount Lens Adapter Nikon Auf Olympus Nikon Ai To Om Adapter Sony Adapter Ring Vad-s70 Sony E-mount Wide Angle Lenses