Ultra-Bright f1.2 aperture 19 elements in 14 groups for outstanding resolution Superior optical design eliminates aberrations and fringing. Closest Focusing Distance : 0.3m Z Coating Nano (advanced Zuiko extra low reflection optical coating) Manual focus clutch The Olympus M.Zuiko Digital ED 25mm f1.2 PRO boasts the most complex lens construction of any Micro Four Thirds lens ever manufactured. It captures ultra-high resolution images with beautiful bokeh at maximum aperture, ensuring professional optical performance with every shot. With its premium weatherproof construction and Z Coating Nano anti-flare coating, it’s an ideal lens for shooting portraits, shallow depth-of-field photos, and stunning video in any environment.