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 500d Lens Mount 37mm Lens Adapter Ring 37mm To 17mm Lens Adapter 46mm 37mm Lens Adapter Dji Phantom 37mm Adapter Lens Universal 37mm Lens Adapter 37mm Lens Mount Format 37mm Threaded Lens Mount Aukey 2-in-1 37mm Mount Lens Nikon To 37mm Adapter
Sony Aps-c Lenses E Mount Sony E Mount Pancake Lenses Nikon Z Mount Lens Adapter Sony E Mount Mirrorless Cameras M42 To Nikon Mount Canon Ef-s Mount Diameter Pentax 645 To Canon Adapter Opteka 12mm Fuji X Mount Lens Nikon F Mount F 1.4 T-mount To Nikon Z