Olympus M.Zuiko 40-150mm f/4.0-5.6 Micro ED Digital Zoom Lens Box Contents - Lens Cap(LC-58E), Lens Rear Cap(LR-2) , Instruction Manual, Olympus Worldwide Warranty CardSpecifications Mount Standard - Micro Four Thirds System Standard Focal Length - 40-150mm (35mm equivalent focal length 80-300mm) Lens construction - 13 Elements in 10 Groups, ED lens Angle of View - 30 - 8.2 Degree