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:
Kodak Dx7590 Lens Adapter Kodak Ektanar Lens Adapter Kodak Retina Lens Adapter Kodak Z981 Lens Adapter Kodak Z990 Lens Adapter Lens Adapter Dc4800 Kodak Lens Adapter For Kodak Z71215 P880 Kodak Lens Adapter Kodak S Mount Lens Tamron 70 200 For Pentax Mount
Powershot Sx50 Lens Filter Adapter Gopro Hero 7 Filter Lens Adapter X100v Lens Cap With Filter Adapting Canon Lenses To Sony Panasonic Gh5 Lens Mount Nikon D600 Mount Type Nikon New Lens Mount 20mm Wide Lens Sigma Canon Mount Nikon D60 T Adapter Chinon 35mm F2.8 For Pentax K Mount