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
Press Release - Compact-Lightweight zoom lens for the "Four Thirds System (4/3 System)" Digital SLR Camera System standard.(2004.3.16)
18-50mm F3.5-5.6 DC
Sigma Corporation is pleased to announce the launch of the new 18-50mm F3.5-5.6 DC for the Four Thirds Digital SLR Camera System. This zoom lens was exclusively designed to suit the characteristics of digital SLR cameras. The image circle was designed to match the size of the image sensors of digital SLR cameras, and this produced a compact and lightweight lens. The use of aspherical lenses provides correction for various aberrations throughout the entire zoom range and produce high level of optical performance. 18-50mm F3.5-5.6 DC lens has a minimum focusing distance of 25cm (9.8in.) at all focal lengths and is capable of macro photography with a maximum magnification ratio of 1:3.5.
* If Olympus E-1 digital cameras is used, the angle of view will be equal to 36-100mm focal length.
THE SPECIFICATIONS
*Focal Length :18-50mm *Minimum Aperture :F22 *Lens Construction :8 Elements in 8 Groups *Angle of View :62degree - 24.4degree *Number of Diaphragm Blades :7pcs *Minimum Focusing Distance :25cm (9.8in.) *Maximum Magnification :1:3.5 *Filter Size :58mm *Lens Hood :Bayonet Hood *Dimensions :Diameter 67.5mm (2.6in.)X Length 62mm (2.5in.) *Weight :250gr/8.7ounces
The appearance, specifications, and the like of the product are subject to change for improvement without notice.
Posted by Darren in our Miscellaneous category on March 16, 2004