An ideal portrait-length lens for Micro Four Thirds shooters, the OM SYSTEM M-Zuiko Digital ED 45mm f/1-2 PRO Lens pairs the desirable 90mm-equivalent focal length with an ultra fast f/1-2 maximum aperture-The combination of the slightly narrow field of view and bright aperture enable producing distinct shallow depth of field imagery, and also suit working in difficult lighting conditions- This lens is also characterized by its advanced 14 elements in 10 groups optical design, which incorporates low dispersion, aspherical, and high refractive index glass elements to control a variety of aberrations and distortion for great sharpness, clarity, and colour fidelity- A nine-blade aperture is featured as well, to achieve a smooth bokeh quality when working with shallow depth of field techniques, and a Z Coating Nano has been applied to individual elements to limit flare and ghosting for improved contrast- {Key Features} - Micro Four Thirds System - Aperture Range: f/1-2 to f/16 - One ED Element, One Aspherical Element - 90mm (35mm Equivalent) {Box Contents} - OM SYSTEM M-Zuiko Digital ED 45mm f/1-2 PRO Lens - Lens Cap - Rear Lens Cap - Lens Hood - Case