Description Specifications In The Box

Product Details Compact apochromatic ultra-telephoto zoom. This compact, apochromatic, ultra-telephoto zoom lens covers the frequently used 400 mm focal length. It is the ideal lens for shooting sports, nature, wildlife, landscapes and other types of photography that frequently uses this telephoto range. Incorporated with an aspherical lens and SLD (Special-Low-Dispersion) This lens uses one aspherical lens and three SLD (the special low dispersion) glass elements for excellent correction of chromatic aberration. Colour aberration in the secondary spectrum is compensated by using three Special Low-Dispersion (SLD) glass elements, making high-quality images a reality throughout the entire zoom range. Rear focusing The five-group zoom and rear focus systems ensure high performance, stability and ease of use.   Product Specifications Lens Construction 13 Elements in 11 Groups Angle of View 10.5 - 3.6 degrees Number of Diaphragm Blades 9 Blades Minimum Aperture F32 Minimum Focusing Distance 200-220 cm/78.7-86.6 in Maximum Magnification 1:5.3 Filter Size Diameter 77mm Dimensions Diameter 83.5mmX Length 183.6mm 3.3 in. X 7.2  in. Weight 1,245g/43.9 oz. In The Box