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:
Ulanzi Anamorphic Lens Nd Filter Universal Camera Lens Adapter Beastgrip Universal Lens Adapter Zeikos Universal Lens Adapter Fisheye Lens Or Adapter Universal 37mm Lens Adapter Universal Lens Adapter 4x5 Universal Lens Adapter Price Universal Lens Filter Adapter Universal Nikon Lens Adapter
Platinum 55mm Cp Lens Filter Welch Allyn Probe Covers Lens Filter Nikon 18 55 Lens Uv Filter Sony E Mount Ff Lenses Sony F55 Canon Ef Mount Cf Card Sd Adapter For Canon Printer Dbl Shoe Adapter Canon Praktica B To Canon Eos Adapter 800mm Lens Nikon Mount Sony A7rii Ff E-mount 42.4mp 4k