Ultra Multi Coated. A Ultra Multi Coating to reduce flare further (Samyang brand lenses).
Found on
http://en.wikipedia.org/wiki/List_of_abbreviations_in_photography
[computer] UMC (Uniwersalna Maszyna Cyfrowa - Polish for Universal Digital Machine) is a family of computers produced by Elwro from 1962. It consisted of vacuum-tube based UMC-1 and transistor-based UMC-10. UMC computers in 1964 operated using negabinary (-2 base) numeral system invented by prof. Zdzisław Pawlak. ...
Found on
http://en.wikipedia.org/wiki/UMC_(computer)
No exact match found.
