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:
Ef M Lens Adapter Ef S Lens Adapter Canon Ef Ef-s Lens Adapter Canon Ef/ef-s Lens Adapter Vello Auto Lens Adapter For Canon Ef/ef-s Adapter For Ef S Lens Ef To Ef Lens Adapter Ef To Ef M Lens Adapter Lens Adapter Ef-m To Ef Minolta Md Mount Lense
Nikkor 50mm 1 1.8d Lens Filter Leica 35mm M Mount 100 Mm C Mount Lens Sony E Mount Lens 18-105 Canon Elan Lens Mount Fujifilm Finepix S2000hd Lens Adapter Adapt Rangefinder Lenses To Nikon Ef To Sony Adapter Sony Adapter Ac P12vx Sony Ds4 Wireless Adapter Instructions