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:
Adaptive Wide Angle Lens Filter Adaptive Lens Shading Correction Dynamic Optics Adaptive Lens F10 Adaptive Project Lens Replacement F30 Adaptive Headlight Throw Lens F30 Adaptive Lens Broken F30 Adaptive Lens Bump F30 Adaptive Light Lens Moved Smart Adaptive Digital Lens Pentax To L Mount
Solar Eclipse Lens Filter 72mm Best 4 Point Star Filter For Lens Mirrorless Lens Filter Outdoor Video Sigma Lens For Canon Rf Mount Adapt Projector Lens To Camera Cinema Lens Sony E Mount Canon Body Adapter To Illumitran Panasonic Lumix G85 Lens Mount Olympus Om Adapter Sony A7 Kenko Mc4 Dgx 1.4 Extender Sony A-mount