7-14mm (14-28mm 35mm equivalent) lens with Splash and dustproof construction</br>closest focusing distance at just under 7.5cm, Maximum image magnification : 0.12x, Focal Length  : 7-14 mm</br>Manual focus clutch mechanism and L-Fn button for assignable functions</br>3 Super ED lens elements, 1 ED lens element, and 2 ELD elements to diminish aberrations</br>60%of the weight of 35mm full frame lens (with same angle of view and max. aperture)</br></br>Product Description</br></br>Ultra wide angle Olympus PRO series lens with f2.8 maximum aperture through the entire zoom range.</br><br/>http://www.amazon.com/gp/product/B00WENHU6S