Olympus M.Zuiko Digital MC-20, 2X Teleconverter
Brand: Olympus
Dust, splash & Freeze proof construction
Doubles focal length while maintaining the high image quality of the master lens.
Expands photographic area for super-telephoto and super-telephoto macro photography.
9 elements & 4 groups.
Zero (zuiko extra low reflection) coating reduces ghosts and Flares.