First version of the AIS lens. Picture coverage of 46° produces pictures with natural perspective. Relatively fast f/1.8 maximum aperture provides bright and easy-to-focus images in the viewfinder. A light lens at 220 grams. Stops down to f/22 for additional depth-of-field. Takes 52mm filters. Popular for general photography – scenery, children and landscapes. Lens construction: 6 elements in 5 groups. Distance scale: Graduated in meters and feet from 0.45m (1.5ft) to infinity (∞). Accessories (not included): HR-1 screw in rubber lens hood.