OM System M.Zuiko Digital ED 40-150MM F4.0 PRO

The world's most compact, lightweight and high image quality telephoto zoom lens Focal Length: 40-150mm (80-300mm Equivalent) | Maximum Image Magnification: 0.21x Excellent resolution across the entire zoom range Angle of View 30-8.2 degrees Max Aperture: f4, Min Aperture: f22 | Number of Blades: 9 (circular aperture) 15 Elements in 10 Group Lens Configuartion Closest focusing distance of 0.7m (at all focal distances), Number of Blades: 7 (circular aperture diaphragm) Highly reliable dustproof, splashproof performance (IP53), Fluorine coating?