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 Efs Lens Adapter Efs To Mft Adapter Ef Efs Lens Adapter Efs Lens Adapter For 5d Efs Lens Mount Adapter Efs Lens Mount Adapter Sigma Efs Lens To Efs Adapter Modify Efs Lens For Viltrox Adapter Nikon F Adapter Efs Tamron 17-50 F 2.8 Pentax Mount
M4/3 To Canon Ef Adapter Sony Lens Mounts Explained Leica M3 A Mount Sony Lens Adapter La-ea3 Lns-1125 25mm C-mount Lens Wirecutter Sony E-mount Lens Nikon To Sony Adapter 2019 Nikon F Mount Magnifier Nikon Z Mount Glass Sony A6000 To Ef Adapter