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:
35mm Lens Adapter For Iphone Iphone 35mm Lens Adapter Canon 35mm Lens Adapter Letus Adapter For Canon Xa11 Cinevate 35mm Lens Adapter Diy 35mm Lens Adapter Encinema 35mm Lens Adapter Letus Anamorphic Lens Adapter Letus Extreme 35mm Lens Adapter Sony A7 Nikon Af Adapter
Lens Filter For Sony A6300 Front Retaining Ring Filter Lens Gobe Ndx 46mm Variable Nd Lens Filter Pentax 35mm Lens K Mount Canon 50mm F1 4 L39 Mount Rokinon 8mm Canon Mount Linhof Lens Board Adapter Lens Mount Matte Box Pentax K-1 Mark Ii Lens Mount Ef Mount Lenses For Mft