The SAL-70200G 70-200mm f/2.8 APO G(D) SSM Lens is a high-quality lens that employs supersonic-wave motor (SSM) technology for quieter, smoother AF operation. This G-Series zoom lens covers a broad range of frequent telephoto shooting situations. Its 35mm-equivalent range of 105-300mm zooming, fast f/2.8 aperture and quiet, high-speed SSM (SuperSonic-Wave Motor) auto-focus precision makes it ideal for long-distance sports and wildlife photography. With a full range of functions geared to the professional photographer, this lens provides sharp, color-free images across the entire film area at all apertures. High-quality multi-coatings increase transmittance and reduce flare to preserve contrast.