Oshiro 60mm f/2.8 2:1 LD UNC Manual Ultra-Macro Lens for Nikon 1 J5, J4, J3, J2, S2, S1, V3, V2, V1 and AW1 Digital Mirrorless Cameras (EOS-N1 Adapter) Worlds first 2:1 prime manual focus macro lens compatible with full-frame sensors as well as APS-C sensors 9 lens elements in 7 groups, Low dispersion ultra nano crystal multi-coating anti-reflection optical glass All metal body and mount ensures durability and rigidity Provides an all-in-one solution for normal portrait shooting (APS-C sensors only) 14 aperture blades capable of creating amazing depth of view