The 16mm wide-angle revolution. Setting a new standard in high-power zoom lenses. Expand your options with high-power zooming with a single lens covering 16mm to 300mm plus macro capability. Spanning an ultra-wide spectrum of focal lengths, the all-in-one zoom lens is a supremely versatile photographic tool. Now, Tamron sets a new standard with a revolutionary world?s first 18.8x zoom lens for APS-C sized digital SLR cameras. This extraordinary lens comes with Vibration Compensation and high-speed Piezo Drive autofocusing, making it a lens you can rely on for crisp, detailed wide-angle to long-telephoto shots. It combines our latest advances in optical design - including the deployment of a spherical elements and newly developed glass - with multiple layers of coating to produce clear, sharp images while maintaining compact dimensions. Imagine the creative possibilities embodied in this latest breakthrough from the pioneer in all-in-one zooms!Specifications:Model Name B016Focal Length 16-300Format size Di Maximum Aperture F/3.5-6.3Diagonal Angle of View 82 Degree12? - 5 Degree20?Lens Construction 16 elements, 12 groups Minimum Focus Distance 15.3 in at 300mmMax. Mag. Ratio 1:2.9Filter Diameter ?67mmOverall Length 3.9"Maximum Diameter ?75mmWeight 19 oz. Diaphragm Blades 7 (rounded diaphragm)Standard Accessory Lens Hood