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:
Diopter Filter Vs Macro Lens Macro Lens Vs Close Up Filter Macro Lens Vs Macro Filter Close-up Filter Vs Macro Lens Macro Filter Vs Macro Lens Nikon Mount Adapter Ftz Ii Oufro Vs Leica Macro Focus Adapter Adapter Lens For Macro Reverse Mounted Lens Vs Macro Lens Nikon 105mm Macro Z Vs F Mount
Pentax M42 Mount Cameras Nikon 800mm Lens Canon Mount Sigma 70-300mm Canon Mount Dslr Lens Canon Ef M Adapter Test Best Lens Mount Adapters Century Optics 0.55x Lens Adapter 100-400 Mm Lens Sony E Mount Mamiya Nc1000 Lens Mount M42 Adapter Nikon D3100 Adapter Plate For Sony Pxw-fs7 Fs7ii Arri