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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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Lens Aperture: 32f-stops
The 1.4X APO Tele Converter EX DG from Sigma is attached to the master lens to increase its focal length by 1.4 times. Featuring an Aperture coupling range of F2.8 - F32, the APO Tele Converter EX decreases the effective aperture by one F-stop. This tele-converter employs lens coating technology to reduce both flare and ghosting. Compact and lightweight, this tele-converter has a 5-elements-in-3-groups lens construction and is designed for use with select Canon Mounts.In Stock
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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Focal Length: 420mm - Lens Aperture: 4f-stops
This Tele Converter will multiply the focal lenght of the existing lens by 1.4x, and will cut back the amount of light by one f/stop. For example, using a 1.4x teleconverter with a 300 mm lens will effectively increase the focal length to 420mm. A lens set to f/2.8 will now be f/4. 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.&ref=BecomeDetails on Sigma 1.4X EX APO Teleconverter for Minolta/Sony AF
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Details on Sigma EM-140 DG TTL Macro Ringlight Flash for Sigma SA with S-TTL Operation
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$449.99
$324.95Focal Length: 420mm - Lens Aperture: 4f-stops
This Tele Converter will multiply the focal lenght of the existing lens by 1.4x, and will cut back the amount of light by one f/stop. For example, using a 1.4x teleconverter with a 300 mm lens will effectively increase the focal length to 420mm. A lens set to f/2.8 will now be f/4. 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 ...In Stock
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