• With hundreds of thousands of F2.8 transparent bright lenses in a reasonable and lightweight compact size • Original kit from camera manufacturer to telephoto side with the soft bokeh flavor unique to Tamron lenses not found in lenses • Recommended for those who want a different photo • Focal Length: 0.7 - 2.0 inches (17 - 50 mm); Brightness: F/2.8; Angle of View: 78°45'-31°11' Equivalent to APS-C Size; Lens Configuration: 16 pieces in 13 groups • Minimum Focus Distance: 1.0 ft (0.27 m) Zoom Full Range / Maximum Shooting Magnification: 1: 4.5 mm / Maximum Diameter: 2.9 inches (74.0 mm) / Total Length: 3.1 inches (81.7 mm) / Weight: 15.2 oz (434 g)