Oshiro 8mm f/3.5 High Definition Aspherical Fisheye Lens for Canon DSLR Cameras. Oshiro’s 8mm f/3.5 is a manual focus lens offers the utmost in optical construction, including ultra-low dispersion lens elements and moisture and dustproof seal on the all-metal mount. Low dispersion glass offers superior sharpness and color correction by minimizing chromatic aberration. The lens […]