【Manual Focus】 No electronic contacts. Don't support auto focus or aperture control. With the manual adapter, aperture of your lens will be defaulted the maximum. 【Lens Mount】 Compatible with Nikon F mount lens. 【Camera Mount】 Designed for L mount cameras, include Leica SL SL2 T TL TL2 CL cameras; Panasonic Lumix S1 S1R S1H cameras; Sigma FP cameras, etc. 【First Use】 Enable the setting of your camera as "release shutter without lens" when first use with a manual adapter, otherwise the camera will not recognize your lens and cannot take pictures. 【Pre-purchase Verification】 Please ensure your lens mount and camera mount before purchase in case of unnecessary returning. We are here for help if you have any question about adapters. Manual Lens Mount Adapter