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 Speed Booster Adapter Speed Booster Lens Adapter Metabones Speed Booster Nikon F Mount Metabones Speed Booster Canon Ef Nex Adapter Speed Booster Lens Adapter For Fujifilm X Nikon Mount Reflex Lens Speed Booster Adapter For Mft Metabones Speed Booster For Mft Nikon Mount Metabones Nikon G Af E-mount Speed Booster Metabones Nikon G To X-mount Speed Booster
Adapter L-mount Canon Ef Pentax Mount To Canon Lens For Lumix Gx85 Adapter Sony 16-50mm Lens A-e Mount Attachment Nikon 50mm Manual Focis F Mount Nikon Z50 Price F-mount Metabones Adapter For Sony Sony Lanc To Multi Adapter Sony E Mount Lenses Bhphoto Tamron Sony E-mount 200mm