Olympus OM Systems M.ZUIKO DIGITAL ED 40-150mm F4 PRO

The OM System M.Zuiko Digital ED 40-150mm F4.0 PRO is a telephoto zoom lens for Micro Four Thirds cameras, offering an 80-300mm equivalent focal range with a constant f/4 maximum aperture. It is known as the world's most compact and lightweight telephoto zoom with a fixed aperture and 300mm equivalent reach, weighing just 382g and featuring a retracting mechanism. The lens includes IP53-rated weather sealing that is splashproof, dustproof and freezeproof, along with a ZERO coating to reduce ghosting and flare and a fluorine coating on the front element. It focuses as close as 70cm with 0.21x maximum magnification, uses 15 elements in 9 groups including ED, Super ED, HR and aspherical glass, and offers fast, quiet autofocus via MSC (Movie & Still Compatible) technology.