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:
2x Auto Teleconverter With Lens Adapter Armasight 5x A-focal Lens With Adapter Camera Lens Adapter Focal Length Lens Manual Focal Stop Adapter Teleconverter Vs Lens Adapter Teleconverter Vs Lens Adapter Forum C Mount Lens Focal Length E Mount Lens Focal Distance Sony E Mount Vs 35mm Focal Length Voigtlander 50mm Sony Fe Mount
Yashica Fx 3 Lens Mount Canon Ef Nikon F Adapter Nikon Coolpix L340 Lens Adapter Nikon Dx Mount Lenses E-mount To Canon Fd Canon T50 Lens Adapter 200 Mm Lens Adapter For Dsc-f828 Telephoto Nikon Wu-1b Wireless Mobile Adapter For D3200 Nikon P Series Mount Replacement Screws 72 Mm Solar Filter