The Laowa 20mm f/4 Zero-D Shift Lens for Panasonic L Mount is a wide angle perspective control shift lens, full frame lens with superb optics and minimal (close to zero) distortion. This is the L mount version, suitable for Panasonic Lumix S series and Leica L mount mirrorless camera systems. The Laowa 20mm shift lens is a fixed focal length prime lens, with manual focus.Takes 82mm filter size. The 20mm shift lens offers a more natural perspective over Laowa's 15mm whist still giving plenty of wide angle and shift control, perfect for architectural photography. The shift lens help photographers to correct the perspectives without compromising the image quality. Offering 94.4° angle of view, and even 117° for panorama photography, and offers ±11mm shift amount in both X-axis and Y-axis for Full Frame cameras, and ±11mm shift amount in X-axis, and ±8mm in Y-axis for Medium Format cameras.