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Sigma Announce APO170-500mm F5-6.3 DG

August 30, 2005

The Sigma Corporation is pleased to announce the launch of the new 170-500mm F5-6.3 DG lens. This compact ultra telephoto zoom lens covers a useful range up to 500mm.

The new multi-layer lens coating and lens design reduces flare and ghosting, and creates an optimum color balance resulting in better picture quality through the entire zoom range on both film and digital SLRs.

This lens uses one aspherical lens and three SLD (Special Low Dispersion) glass elements for excellent correction all types of aberration, making high-quality images a reality throughout the entire zoom range.

Since the front of the lens does not rotate during focusing, a circular polarizing filter can easily be attached and used. A lens hood and removable tripod collar are included as standard components.

Features

  • The new multi-layer lens coating and lens design reduces flare and ghosting.
  • Aspherical lenses and SLD glass provide correction for all types of aberration throughout the entire zoom range.
  • Rear focus system ensures fast auto focus.



Sigma APO170-500mm F5-6.3 DG
Focal Length 170-500mm
Minimum Aperture F32
Lens Construction 13 Elements in 11 Groups
Angle of View 14.5 - 5 degrees
Number of Diaphragm Blades 9
Minimum Focusing Distance 300cm - 320cm (118.1" - 125.9) )
Maximum Magnification 1:6.6
Filter Size 86mm
Lens Hood Bayonet Type Hood
Dimensions Diameter 92.5mm (3.6)
Length 323mm (9.1)
Weight 1345g / 47.4oz



Home Reviews Forums News 2015 2013 2012 2009 2008 2007 2006 2005 2004
RSS Feeds FOV Factor Table Sensor Sizes | Definitions: A-D E-H I-L M-P Q-U V-Z | Sitemap
Articles Archived Websites (Pre-DigitalDingus): D100 Lounge E-10 Club | Contact