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:
Lens Filter Kit For Leica M3 Sigma Fp Lens Mount Canon M3 Lens Adapter Leica M3 Flash Adapter Leica M3 Lens Mount Canon Eos M3 Adapter Lens Canon Eos M3 With Adapter Rolleiflex To Leica Lens Adapter For M3 Leica M3 A Mount Eos M3 Lens Adapter
16-50mm Lens E Mount Slr Lens Mount Identification Guide Minolta Md To Mft Adapter Canon 1200d Mount Size Canon Can Macro Light Adapte Mla-dc1 Sigma Mc 11 Mount With Nikon Lens Sony Z Mount Pancake Lens Nikon Ft1 Adapter Price Sony Led Adapter Price Sony Nex Alpha Adapter Autofocus