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:
Canon Lens Adapter For Blackmagic Ef To Mft Adapter Blackmagic Blackmagic Canon Ef Mount Blackmagic Pocket Lens Adapter Nikon To Blackmagic Adapter Canon To Blackmagic Lens Adapter Blackmagic Nikon Lens Adapter Ef Lens Mount Blackmagic Blackmagic Mft Or Ef Mount Sony Fe Mount Lenses 2017
Camera Lens Filter Skylight 1a Or Uv Fujifilm Finepix S4200 Lens Filter Samsung Nx300 Lens Mount Adapter Canon N3 Klinke Canon T6i Dc Adapter 77 Mm Wide Angle Lens Adapter Letus35 Anamorphic Lens Adapter Sigma Lens To Olympus Adapter Jvc Gy Hm100u Lens Mount Sony A7 Astro Photography Ring Adapter