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:
Zenza Bronica Lens Mount Bronica Lens Adapter Sony Bronica Pg Lens Adapter Bronica S2 Lens Adapter Bronica Sq Lens Adapter Bronica Gs 1 Lens Mount Bronica S2 Lens Mount Sony E-mount 18-105mm Lens Bronica To Sony Nex Adapter Sigma 30 F.1.4 Sony A Mount
Close Up Camera Lens Filter Polarizing Filter For Sigma 10 20mm Lens Blue Filter For Lens Reading Glasses Vivitar 100mm F3.5 Macro Canon Ef Mount Adapters For Canon Efs Canon T5 Wireless Adapter F Mount 50mm Lens Onz6 Minolta Lenses Metabones Adapter Pentax To Fuji Adapters Pentax K Mount Focal Reducer