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This lens covers the telephoto range from 300mm to the ultra-telephoto range up to 800mm. By continuously varying the angle of view from 8.2° to 3.1°, the lens takes a lot of the footwork out of picture composition.
New coating reduces Ghost and FlareThe new multi layer lens coating and lens design reduce flare and ghost, which is a common problem with digital cameras and also creates an optimum color balance.
Equipped with ELD (Extra Low Dispersion) glass elementsTwo ELD glass elements in the front lens elements reduce chromatic aberration to a minimum and also ensure sharp, quality images of high contrast.
HSM (Hyper Sonic Motor for Sigma, Canon and Nikon mount lenses)The HSM models provide silent, high-speed and precise auto-focusing with full time manual focus override.
Drop-in filterIt also features a drop-in 46mm filter holder in the rear part of the lens barrel, which can be rotated to facilitate the use of filters, including a polarizing filter.
Internal Focusing and Internal ZoomingSince focusing and zooming do not change its overall length, this lens is easy to hold and use. In addition, since the front of the lens does not rotate, a circular polarizing filter can be easily attached and use.
Accepts both 1.4X and 2X APO EX Tele-ConvertersWhen this lens is used with the 1.4x EX or 2x EX Apo Tele Converters (optional), it becomes a 420-1120mmF8 MF lens or a 600-1600mm F11 MF lens respectively.
by Stephen Lang
|Lens Construction||18 Elements in 16 Groups|
|Angle of View||8.2-3.1 degrees|
|Number of Diaphragm Blades||9pcs|
F22: FOUR THIRDS
|Minimum Focusing Range||600cm/236.2 in.|
|Filter Size||46mm (drop-in type)|
|Dimensions||Diameter 165.5mm X Length 544mm
6.1 in. X 21.4 in.
|Corresponding AF Mounts||SIGMA,
Questions & Answers
Sigma AF 300-800mm f/5.6 APO EX DG Zoom Lens for Canon
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