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Zhongyi Optics has revealed what it trumpets as the world’s lightest f/0.95 lens for micro four thirds cameras, the 25mm Mitakon Speedmaster. Delivering the 35mm viewing angle equivalent of a 50mm lens, the manual focus Mitakon Speedmaster 25mm f/0.95 weighs 230g and is 45mm long. The 11-elements-in-9-groups lens, which features 11 diaphragm blades, is due to be shipped towards the end of next month. There is as yet no word on UK pricing or availability. In the US, it will cost $399, according to Zhongyi Optics which is based in China. For more details visit

Press release

Shenyang China, Sept 17, 2015 – 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 importnatly, 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.

Pricing & Availability
Mitakon Speedmaster 25mm f/0.95 will be available to ship in mid/late October at ZY Optics authorized resellers and at the official website ( Sample Lens will be available in the ZY Optics booth (Booth#973) in Photoplus Expo New York during 22-24 Oct 2015.

Pre-order has been commenced through our official website. The Recommended Retail price is USD 399. Free shipping & Stocks priority will be offered to those pre-ordered in our website.