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Sigma APO 300-800mm HSM lens

Ilse Jurrien
Photokina report
Tuesday 26th, September 2006
Posted by: Ilse Jurrien

Sigma launched a new Four-Thirds system compatible, large aperture ultra-telephoto zoom lens; Sigma APO 300-800mm F5.6 EX DG HSM. This Sigma lens covers the equivalent field of view to 600mm to 1600mm when used on Four-Thirds cameras. By continuously varying the angle of view, the lens takes a lot of the footwork out of picture composition. The very latest lens coating technology and lens design reduce flare and ghosting, a common problem with digital cameras. Two ELD glass elements in the front lens group reduce chromatic aberration to a minimum and also ensure high optimum image quality. The overall length of the lens does not change during focusing and zooming, ensuring convenient handling.

Sigma APO 300-800mm lens

Sigma APO 300-800mm F5.6 EX DG HSM lens
The HSM provides ultra quiet, high-speed autofocusing as well as full-time manual focus override. This lens is designed to accept a 46mm circular polarizing filter in a rear filter holder. The introduction of this new lens increases Sigma's lens line-up for Four Thirds mount to a total of eleven models. With Four Thirds cameras the focal length will be equivalent to 600-1600mm.

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Sigma DG HSM lens - Specifications
• Mount Type : Four Thirds
• Minimum Aperture : F22
• Lens Construction : 18 Elements in 16 Groups
• Angle of View : 4.1°-1.5°
• Number of Diaphragm Blades : 9pcs
• Minimum Focusing Distance : 600cm(236.2”)
• Maximum Magnification : 1:6.9
• Filter Size : 46mm (Rear)
• Lens Hood : Bayonet type Hood
• Dimensions : Diameter 156.5mm (6.2”)X Length 549.4mm (21.6”)
• Weight : 5915g / 208.6oz
• UPC No. : 0085126 595586

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