Zhongyi Optics (ZY Optics) has unveiled the world's lightest f/0.95 lens, Mitakon Speedmaster 25mm f/0.95 lens for Micro Four Thirds cameras. This new member in the Mitakon Speedmaster family is a ultra-fast prime lens which provides a 35mm-equivalent focal length of 50mm in the Micro Four Thirds system. A maximum aperture of f/0.95 makes it extremely convenient to shoot at a low light conditions without flash and . Most importantly, this lens weigh merely 0.51 pounds and 1.8 inches long. The compact size and fast aperture make it an ideal companion of your camera for everyday shooting in a wide variety of conditions. Despite the extreme light weight, the lens incorporates a 11 elements in 9 groups optical design, including 1pc of Extra-low disperson elements, 4 pcs of Extra-high Refractive Index elements and 2pcs of High Refractive index elements. This structure effectively controls the chromatic abberations and deliver excellent image sharpness even at f/0.95. The lens also features a 11 pieces of aperture blades to form a close-to-circle aperture for a creamy depth of field. Optimized lens coatings also help to suppress lens flare and ghosting. Manual focus design and a click-less, silent aperture ring promote smooth handling and are especially well-suited to video applications. The lens is built in metallic enclosure with additional protective process and finest finishing, which gives extra durability and aesthetic.