PFU RBMH 85mm F1.8 Full-frame Manual Focus Prime Lens (FE-Mount) * Full Frame, 85mm focal length, f1/8 large aperture * 10 elements in 7 groups, including 1 double-sided aspheric lens, 4 ED lens and 4 low-wave high transparent lens * HD Nano multiplayer coating with water-resistant and antifouling coating * Smooth manual focus with precision components including brass barrel * 9 pieces of hypercircle * Precision metal structure