Adapting APS-frame lens to full-frame camera may generate vignetting, which is not the problem of the adapter. L mount is not simply equivalent to Leica camera (Leica M, Leica R, Leica L are different mounts), please confirm your camera mount before purchase. 【Manual Focus】 No electronic contacts. L mount cameras including: Leica SL SL2 T TL TL2 CL cameras; Panasonic Lumix S1 S1R S1H cameras; Sigma FP cameras, etc. We are here for help if you have any question about adapters. With the manual adapter, aperture of your lens will be defaulted the maximum. Use a zoom lens with manual adapter, set the aperture to what you want before connecting to the adapter and camera. Some cameras could correct it by adjusting to APSC. K&F Concept M42-NIK Z for M42 Mount Lens to Nikon Z Mount Camera Zfc Z30 Z50 Z5 Z6 Z6II Z7 Z7II Z8 Z9 Lens Adapter K&F CONCEPT NIK-EOS R,Lens Adapter Nikon F Lenses to Canon EOS R Lens... Set of three (3) universal mag holders for AR10, AR15, AK47, SKS, M4, small rifle and pistol magazines of all brands. Whether displayed on your gun wall , over your work bench or hidden in a closet these racks make the most of your available space Nikon F Mount To Canon Ef K&F Concept NIK-L Lens Mount Adapte Fo Nikon F Mount Lens Ef To L Mount What is L mount / L bayonet? L mount is developed jointly by Leica, Panasonic and Sigma, for full-frame mirrorless cameras. Function: Manual adapter without electronic contacts, no auto-focus or aperture control. Doesn't work Problem: If you find the camera cannot shoot with the adapter, set your camera as release shutter without lens to enable when using the adapter for the first time, otherwise the camera will fail to recognize the lens and the shutter may not be released. Aperture: Aperture cannot be adjusted with manual adapter, and will be defaulted to the largest. Connect Nikon F lens to L mount mirrorless camera. Note: L mount cameras are full-frame mirrorless cameras.