Professional prime lens. Features: Lens with aspherical parts, focal length 50mm and F2.8 brightness. Professional prime lens specially designed for aerial photography. Featured light-weighting carbon fiber casing, those lenses are able to reduce the payload of the gimbal and camera, improving the stability when shooting. With the DJI DL mount (diameter: 58mm), the lenses can be mounted onto Zenmuse X7, providing varying focal lengths. When used with Zenmuse X7, the focal length multiplier is 1.5 when taking stills. The lens is designed for the DJI Zenmuse X7. Package includes: Lens DL-S 50mm F2.8 LS ASPH and lens protector.