Digital Photography Blog: Digital Camera Reviews, Ratings, News, Tips and Tutorials.
February 2010
February 2009
January 2009
August 2008
July 2008
April 2008
March 2008
January 2008
December 2007
November 2007
October 2007
September 2007
August 2007
July 2007
June 2007
May 2007
April 2007
March 2007
February 2007
January 2007
December 2006
November 2006
October 2006
September 2006
August 2006
July 2006
June 2006
May 2006
April 2006
March 2006
February 2006
January 2006
December 2005
November 2005
October 2005
September 2005
August 2005
July 2005
June 2005
May 2005
April 2005
March 2005
February 2005
January 2005
December 2004
November 2004
October 2004
September 2004
August 2004
July 2004
June 2004
May 2004
April 2004
March 2004
February 2004
January 2004
December 2003
November 2003
October 2003
September 2003
Digital Camera Reviews and Ratings By manufacturer:
Canon | Casio | Fuji | HP | Kodak | Minolta | Nikon | Olympus | Panasonic | Pentax | Samsung | Sony | Misc. | Accessories | Lenses
Sigma APO 50-150mm F2.8 EX DC HSM Lens Press Release
The Sigma Corporation is pleased to announce the launch of the new APO 50-150mm F2.8 EX DC HSM lens. Specially designed for digital SLR cameras with an APS-C size image sensor, this large aperture F2.8 lens has a compact and lightweight construction of 76.3mm (3.0”) in diameter, 132.6mm (5.2”) in length and weighing just 780g (27.5oz) (Nikon Mount). The incorporation of the very latest optical technology gives optimum lens performance providing excellent correction for flare, ghosting and all types of aberrations. High image quality is assured throughout the entire zoom range. Four SLD(Special Low Dispersion)glass elements are used for utmost correction of chromatic aberrations. The HSM (Hyper Sonic Motor) system ensures quiet and high-speed auto focusing with full time manual focus override. The addition of the 1.4x EX DG APO or 2x EX DG APO Tele Converters (optional extras) produces a 70-210mm F4 AF tele-zoom lens and a 100-300mm F5.6 AF ultra-telephoto zoom lens respectively.
Sigma APO 50-150mm F2.8 EX DC HSM Lens Features
• Compact and lightweight
• Incorporation of the very latest optical technology, high image quality is assured throughout the entire zoom range.
• Four SLD（Special Low Dispersion）glass elements are used for utmost correction of chromatic aberrations.
• Equipped with HSM (Hyper Sonic Motor) with full-time manual focus override.
• Compatible with Sigma 1.4x EX DG and 2x EX DG APO Tele-Converters
Sigma APO 50-150mm F2.8 EX DC HSM Lens Specifications (Sigma mount)
• Focal Length : 50-150mm
• Minimum Aperture : F22
• Lens Construction : 18 Elements in 14 Groups
• Angle of View : 27.9°-9.5°
• Number of Diaphragm Blades : 9 pcs
• Minimum Focusing Distance : 100cm (39.4”)
• Maximum Magnification : 1:5.3
• Filter Size : 67mm
• Lens Hood : Bayonet Type
• Dimensions : Diameter 76.3mm (3.0”)X Length 135.1mm(5.3”)
• Weight : 770g/27.2oz
• The appearance and specifications are subject to change without notice.
• Vignetting will occur if the lens is used with digital cameras with image sensors larger than APS-C size or 35mm SLR cameras.
Posted by Darren in our Lenses category on August 12, 2006