XEEN Mount Kit for Nikon F Focus Hold Button The optical design of the

The optical design of the lens consists of 9 elements in 6 groups including one hybrid aspherical element and one aspherical element to reduce chromatic aberrations

When used on cameras with an APS-C format sensor its 35mm focal length equivalence is 75mm

ASTM D4169

and the durability of a metal barrel

minimizing differences in color that may arise from the multi-layer coating process

XEEN Mount Kit for Nikon F Focus Hold Button The optical design of theXEEN by ROKINON Exchangeable Mount Set For Nikon F This Xeen by Rokinon Exchangeable Mount Set is for Nikon F mount. You can remove your non Nikon F Xeen mount and replace it with this mount set to make your lens compatible with Nikon F cameras.