14mm f/4 FF RL Zero-D is a wide-angle lens designed for full frame mirrorless cameras. It features close-to-zero distortion(Zero-D) with 114° angle of view. The screw-in 52mm filter thread and the ultra wide perspective allows photographers to create the inspiring pictures with one-of-kind elements. Also, it is extremely compact and lightweight (weight: 228g, dimension: 58mmx59mm)which can be carried to anywhere, anytime with Zero Burden. For Leica M mount photographers, rangefinder coupling is available for the lens to have a more accurate and easy focus.Lens Profile:Laowa 14m f/4 FF RL Zero-D*Leica M mount is NOT compatible with Leica TL and CL cameras.