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:
Dmw-la7 Conversion Lens Adapter Dmw La3 Lens Adapter Canon Fd Mount Compatibility Dmw La5e Lens Adapter Dmw La8 Lens Adapter For Panasonic Fz80 Panasonic Dmw La3 Lens Adapter Panasonic Dmw La5 Lens Adapter Panasonic Dmw-la3 Lens Adapter Uk Panasonic Dmw-la8 Conversion Lens Adapter Panasonic Dmw-la8gu Lens Adapter
Canon W-e1 Wi-fi Adapter Pinhole Lens Sony E Mount Sony 50mm 2.8 Macro A Mount Gimbal Mount Camera Lens Lens Mount Wire Piece Tilt Shift Lens Eos Mount Nikon To Mft Electronic Adapter Lm Digital Adapter For Nikon Diaphot 200 500 Mm Lense Nikon Mount 28-75mm For Sony E Mount