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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:
Minolta To Olympus Lens Adapter Nikon Olympus Lens Adapter Olympus Lens Mount Adapter Olympus Om D Lens Adapter Olympus Tg 4 Lens Adapter Canon Ef Mount To Micro4 3'rds Adaptor E Mount Lens To Micro4 3 Camera Sony A Mount 70-400 Lens Zeiss Cp.3 35mm T2.1 E Mount Lens Zeiss Cp.3 Lens Inforamtion Ef Mount
Best 58mm Polarizing Lens Filter Canon Rebel Sl1 Wifi Adapter Sony A7rii Lens Adapter Sony 8mm Tape Adapter Sony Sel90m28g E Mount Canon Rebel T6 Ef Mount Refurbished Canon Ef-eos M Adapter Olympus Om-d Lens Mount Sony Slt A77 Lens Mount Sony Network Adapter Ps2 Slim