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Details on Sigma Zoom Telephoto 70-200mm f/2.8 II EX DG APO HSM Macro Autofocus Lens for Nikon Digital SLR
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Details on Sigma 70-300mm f/4-5.6 DG Macro Autofocus Lens (with built-in motor) for Nikon AF
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Details on Sigma EF-500 DG Super S-TTL Shoe Mount Flash for Sigma SA with S-TTL Operation
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Optical Zoom: 2X - Focal Length: 300mm
This Tele Converter will multiply the focal length of the existing lens by 2x, and will cut back the amount of light by 2 f/stops. For example, using a 2x teleconverter with a 300 mm lens will effectively increase the focal length to 600 mm. A lens set to f/2.8 will now be f/5.6. Note: Due to the high optical quality of this teleconverter, this item will only fit and work with a select list of lenses. Please click here for a compatibility chart of all compatible lenses. Note: The DG denotes added coating that ...Details on Sigma 2X EX DG APO Teleconverter for Minolta/Sony AF
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Lens Aperture: 4f-stops
Capable of macro photography, this lens has a 1:2 maximum close-up magnification at the 300 mm focal length. It s the ideal high performance lens for portraits, sports photography, nature photography, and other types of photography that frequently use the telephoto range. It also has a switch for changeover to macro photography at focal lengths between 200mm and 300mm with a maximum close-up magnification from 1:2.9 to 1:2.SLD (Special Low Dispersion) glass in this lens provides excellent correction of ...Details on Sigma Zoom Telephoto 70-300mm f/4-5.6 DG Macro Autofocus Lens for Canon EOS
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