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:
Moondog Labs Anamorphic Lens Filter Moondog Anamorphic Lens Nd Filter Moondog Labs 1.33 X Anamorphic Adapter Lens Adapting Projector Lens To Camera Moondog Labs Anamorphic Lens Adapter Sony Alpha 6000 Objektive Adapter Adapting Any Lens To Any Camera Anamorphic Lens Adapter Made By Moondog Labs Moondog 1.33x Anamorphic Adapter Lens Moondog Anamorphic Adapter Lens
Lens Filter To Soften Image Tamron E Mount Lens Canon A 1 Lens Mount Nikon To Gfx Adapter Tilt Shift Adapter Nikon Canon G5x Lens Adapter Canon Eos R6 Mount Adapter Canon Adapter For G7 Best K Mount Prime Lens Pentax K20d Lens Mount