Images have leaked of two, as yet un-announced, Nikkor “MC” lenses; the full-frame Nikkor MC 105mm F2.8 VR S, and what’s now confirmed as another full-frame model, the Nikkor MC 50mm F2.8. The “MC” designation has not been used by Nikon previously, but speculatively, it’s most likely a true macro (1:1) and without any de-focus image control DC function, like the Canon version or as per the older AF-Nikkor DC 105mm F2.0 D and 135mm F2.0 D models. Neither of those were macro lenses but it’s common for the 100mm macro lenses to double for portraiture due to their close focus capabilities. At least, that’s the current view based on…