The latest edition, 38, of the Carl Zeiss Camera Lens News features an interesting article on the names that Zeiss have applied for many years to their camera lenses.
It's available here:
http://www.zeiss.com/C12567A8003B8B6F/EmbedTitelIntern/CLN_38_en/$File/CLN38_en_web.pdf
Nick
It's available here:
http://www.zeiss.com/C12567A8003B8B6F/EmbedTitelIntern/CLN_38_en/$File/CLN38_en_web.pdf
Nick