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:
Whirlpool Light Lens And Filter 8190231 35mm Camcorder Lens Adapter Electronic Lens Adapter 43 M43 Canon Camcorder Lens Adapter 37 To 43 Lens Adapter 37 Xume 77mm Lens Adapter Camcorder Dslr Lens Adapter Camcorder Lens Adapter Ring Camcorder Pinhole Lens Adapter Iphone 8+ 37 Lens Mm Adapter
Fujifilm Gfx 100 Lens Mount Leica S To L Adapter Nikon Z6ii With Adapter Canon 700d Ef Mount Canon Eos R Ac Adapter Leica L39 To Ef Adapter Lensbaby Tilt Focus Lens Pl Mount Pentax 12 12mm F 1.4 Lens C-mount Sony A7 Adapter Lenses Sony 75-300mm F 4.5-5.6 A-mount