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:
1 3 To 2 3 Lens Adapter 4 3 Lens Adapter 2 3 Lens Adapter Nikon 70-300 Z Mount Leica Leitz Adapter Minolta Md To Leica-m Non-leitz Leica Thread-mount Lenses 1 2 Lens Adapter C Y Lens Adapter Nikon Double Lens Adapter Sony Npf Double Adapter
Lens Filter For Nature Photography Canon Lens Adapter For Old Canon Lenses Smallrig Lens Adapter Support Cine Lens Fuji X Mount Voigtlander 40mm 1.2 Sony E Mount 400mm Sigma Lens Sony Alpha Mount Eos 6d Lens Mount Wide Adapter Nikon 1.8g Sony A7iii Lense Adapter Sony E Mount Apsc