The Nikon AF-S Micro-Nikkor 105mm F2.8G IF-ED VR is a medium telephoto lens for Nikon's FX (full-frame) and DX (APS-C) format DSLRs that offers a maximum reproduction ratio of 1:1 and a fast maximum aperture of F2.8, making it useful for portraiture as well as close-up photography. Optical construction comprises 14 elements in 12 groups, including an ED (extra low-dispersion) element and Nano Crystal Coating. An SWM focus motor offers fast and silent AF with full-time manual focusing and Vibration Reduction is on-hand to stabilize images shot without the aid of a tripod.