Product details:

The Zuiko Digital ED 40-150mm F4-5.6 (35mm equivalent focal length: 80-300mm) provides full 3.8x zoom performance.It is especially designed for the compact Four Thirds system standard. It is a small, light and attractively-priced telephoto zoom lens perfect for portrait to sports scene.Internal focusing system
ED glass
Mounting Type: Four Thirds
Diaphragm Blades: 7