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:
Fujifilm X Pro1 Canon Adapter Fujifilm X-pro1 Adapter Canon Fujifilm M-mount Lens Adapter For X-pro1 Fujifilm X Pro1 Lens Adapter Fujifilm X Pro1 M Mount Lens Adapter Fujifilm X Pro1 Nikon Adapter Leica M Adapter For Fujifilm X Pro1 Fuji X Pro1 Leica Adapter X-pro1 With Lens Adapter Sony To 2.5mm Adapter
Olympus Om-d E-m10 Mark Ii Lens Filter Sigma 16mm F1.4 For Sony E-mount Sony E Mount And Fe Mount Logitech C922 Lens Mount Voigtlander Prominent Lens Mount Adapting Other Brand Lenses To Nikon D750 Angenieux 28-70mm F 2.6 Nikon Mount Fotodiox Adapter Sony A7 Sony Vaio Vgn-nw235f Dc Adapter Sony A6 Mount E Type