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Sigma 800mm F5.6 APO EX DG/HSM lens
Ilse Jurriën : July 11th 2005 - 17:30 CET
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SigmaSigma 800mm F5.6 APO EX DG/HSM lens : Fast maximum aperture 800mm ultra telephoto lens optimised for digital SLR cameras. This Sigma 800mm F5.6 APO EX DG/HSM lens is designed to optimize the characteristics of digital SLR cameras and features a new multi layer lens coating. The new multi layer lens coating is very effective with digital cameras, minimises flare and ghost. Two Extraordinary Low Dispersion (ELD) glass elements produce excellent image quality. Accepts APO EX Tele-Converters. The lens can be used as a 1600mm ultra-telephoto lens when used with the 2X APO EX Tele-Converter. Incorporating two Extraordinary Low Dispersion glass elements to reduce chromatic aberration to a minimum and ensure sharp, quality images.
Sigma 800mm F5.6 APO EX DG/HSM lensSigma 800mm ultra telephoto lens
The overall length of the lens does not change during focusing, ensuring convenient handling and ease of use. The Hyper Sonic Motor (HSM) ensures an ultra-quiet, high-speed AF function as well as full-time manual focusing capability for Sigma, Canon, and Nikon mount lenses. A 46mm filter can be inserted near the rear of the lens, and a circular polarising filter can be used in situ. By adding a 1.4x EX APO teleconverter (optional extra), you can use this lens as a 1120mm F8 MF ultra-telephoto lens or as a 1600mm F11 MF ultra-telephoto lens with a 2.0x EX APO teleconverter.

Sigma EX DG/HSM lens - Specifications
• Focal Length :800mm
• Minimum Aperture :F32
• Lens Construction :12 Elements in 9 Groups
• Angle of View :3.1°
• Number of Diaphragm Blades :9pcs
• Minimum Focusing Distance :700cm (275.6”)
• Maximum Magnification :1:8.8
• Filter Size :46mm (drop-in type)
• Lens Hood :Bayonet Hood
• Dimensions :Diameter 156.5mm(6.2”) x Length 521mm (20.5”)
• Weight :4900gr/172.8oz
• Fittings :Sigma, Canon and Nikon-D
• (Pentax and Konica/Minolta TBA).
• SRP :£4499.99

   Sigma 300-800mm APO F5.6 EX DG lens introduction
   Sigma 500mm F4.5 EX DG HSM lens introduction
   Sigma 50-500mm F4-6.3 EX DG HSM lens
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