Which Japanese manufacturer created the Olympus M.Zuiko Digital ED 40-150mm f/2.8 PRO featuring an integrated tripod mount and removable lens hood?
Olympus M.Zuiko Digital ED 40-150mm f/2.8 PRO: The M.Zuiko Digital ED 40-150mm f/2.8 PRO is a Micro Four Thirds System lens by Olympus Corporation, sold as a standalone item. Olympus M.Zuiko Digital ED 40-150mm f/2.8 PRO:  It features an integrated lens function button (function selectable through the camera menu system), an integrated tripod mount, and an integrated removable lens hood.
i don't know