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:
Canon Ef To Rf Adapter Canon Ef Rf Adapter Canon Ef-s Rf Adapter Ef To Rf Lens Adapter Canon Ef Rf Lens Adapter Canon Ef-m To Rf Adapter Canon Ef-s To Rf Adapter Canon Eos 550d Lens Mount Canon Ef-m Rf Adapter Ef Lens Rf Mount
Nikon 18 55 Lens Uv Filter Canon A1 Lens Mount Type Nikon's Wu 1a Mobile Adapter Nikon Keymission 170 Mounts Large Format Camera Adapter Canon Lens Mount Ring Piece Lense Mount For Nikon Pentax Prime Focus Adapter Sony Nex T2 Adapter Voigtlander M Adapter Sony Moujnt