OM SYSTEM, Camera Lens, models:

M. ZUIKO DIGITAL ED 90mm F3.5 Macro IS PRO	Instructions Manual
M.ZUIKO DIGITAL ED 150-600mm F5.0 6.3 IS	Instructions Manual
M.ZUIKO DIGITAL ED 20mm F1.4 PRO	Instructions Manual
M.ZUIKO DIGITAL ED40-150mm F4.0 PRO	Manual