Digitally corrected (Konica Minolta, Sony, Sigma brands). A lens designation to indicate lenses which feature improved lens-coating but cover the APS-C image circle only. Also used for Defocus control (Nikon brand). Found on http://en.wikipedia.org/wiki/List_of_abbreviations_in_photography
A continuous method of making ingots or billets for sheet or extrusion by pouring the metal into a short mold. The base of the mold is a platform that is gradually lowered while the metal solidifies, the frozen shell of metal acting as a retainer for the liquid metal below the wall of the mold. The ingot is usually cooled by the impingement of wate... Found on https://steelforge.com/literature/steelog-the-5000-word-metals-glossary/