The panasonic lumix g vario 45 175mm f40 56 is a compact telephoto zoom lens suitable for the micro four thirds system and achieves high descriptive performance for resolution and contrast at entire zoom range 45 175mm 35mm camera equivalent 90 350mm without changing the overall length making it an ideal compact zoom for all situations in addition the lens system features the inclusion of 2 ed lenses which suppress chromatic aberration contributing to high descriptive performance at e