Weighs 18 oz., yet provides four-times magnification of the subject when compared with a normal lens. Uses popular 52mm filters despite its long focal length. Built-in telescopic lens hood reduces ghost images and flare when shooting in strong sunlight. Very versatile focal length for candid photography, head-and-shoulder portraits, or isolating details in landscapes. Aperture range F/4 to 32. Focusing to 7 feet. Use with TC-14A teleconverter.