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:
52mm Tiffen Haze-1 Filter Lens The Tiffen Company Lens Filter Canon Ef To R Mount Leica Apo Televid 77 Camera Adapter Leica Televid 77 Digiscoping Adapter 77 Mm Wide Angle Lens Adapter Xume 77 Mm Lens Adapter Sony E-mount Adapter For Televid 77 Televid 77 40101 To Sony Adapter Sony Alpha 77 E Mount
Sigma Lenses For Nikon Z Mount Gfx Leica M Adapter Nikon Z5 With Ftz Adapter Canon 35-80mm F 4-5.6 Ef Mount Lens Koni Omega Lens Adapter Lens Adapter For Fixed Lens Camera Olympus Mount Telephoto Lens Olympus Pen E-pl2 Lens Mount Adapter Lensa Sony A6000 Super Ultrawide Angle Sony E Mount