Product code: PX-IV47BQ43750
300mm F2.8 APO EX DG HSM - Canon EOS
The Sigma APO 300mm f/2.8 EX DG HSM lens is an ultra compact Apochromatic telephoto lens with a fast f/2.8 maximum aperture, and incorporates two Extraordinary Low Dispersion glass elements to reduce chromatic aberration to a minimum. It incorporates internal focusing which enables responsive and fast autofocus speed. A detachable tripod socket and rotatable drop in filter holder are also included. The improved DG lens design corrects for various aberrations. This lens is specially coated to get the best color balance whilst cutting down on ghosting caused by reflections from the digital image sensor. The lens provides the utmost correction against lateral chromatic aberration, which is a serious problem for digital SLR cameras. With the use of the optional Sigma APO teleconverters, this lens can be used as a 420mm f/4 AF ultra-telephoto lens with a 1.4X EX teleconverter, or a 600mm f/5.6 AF ultra-telephoto lens with a 2X teleconverter. Lens Construction 11 Elements in 9 Groups Angle of View 8.2 degrees Number of Diaphragm Blades 9 Minimum Aperture F32 Minimum Focusing Distance 250cm Maximum Magnification 1:7.5 Filter Size 46mm (drop-in type) Dimensions Diameter 119mm X Length 214.5mm Weight 2400g
