Mount : Canon EF-S. Kept in like new, open box condition. No original box. Serial(s): G000016926-1001207578, G000017010-0801104734, G000018026-6351125205, G000016927-6751115744, G000016964-3531107333, G000016615-2721122081, G000017528-5041118421, G000016951-1001308127, G000016955-8761102976, G000016994-2011103324, G000016596-5141108604, G000017642-3731123749, G000018179-1911200366.