Zhong Yi Optics releases $299 135mm F2.5 lens for full-frame DSLR, mirrorless camera systems
Chinese lens manufacturer Zhong Yi Optics has announced the Mitakon 135mm F2. 5. A fast, manual telephoto portrait lens for full-frame DSLR and mirrorless camera systems. The lens is constructed of nine elements in seven groups, including two extra-low dispersion and two ultra-high refraction elements. dpreview.com »