Friday, November 27th, 2009 at
5:41 pm

The Sigma 70-300mm f/4-5.6 DG MACRO Telephoto zoom interchangeable lens for Canon AF with excellent cost performance and optimized for use with digital SLR cameras. Capable of macro photography, this lens has a 1:2 maximum close-up magnification at the 300mm focal length. SLD (Special Low Dispersion) glass. They used SLD (Special Low Dispersion) glass in this lens for excellent correction of chromatic aberration. This also corrects for fluctuation of aberration due to focusing. (more…)
Technorati Tags: 70300mm, Autofocus, Cleaning, f/45.6, Filter, Lens, Macro, Sigma, Telephoto, Zoom
Tuesday, November 24th, 2009 at
6:27 pm

Manufacturer Description
The Sigma Corporation is pleased to announce the launch of the 18-50mm F2.8 EX DC MACRO lens. This lens has a large aperture of F2.8 throughout the entire zoom range, a minimum focusing distance of 7.9-inches and a maximum magnification of 1:3, making it ideal for close-up photography. Specially designed to suit the characteristics of digital SLR cameras this lens provides a high level of optical performance.Its design incorporates both glass-mold and h (more…)
Technorati Tags: 1850mm, Aspherical, Cameras, Canon, Digital, f/2.8, Lens, Macro, Sigma
Thursday, November 12th, 2009 at
7:57 pm

Amazon.com
The Sigma APO 70-300mm f4-5.6 DG Macro Lens for Canon Digital SLR Cameras is a telephoto zoom lens with tele-macro functionality. Optimized for digital cameras, this high-performance lens has two Special Low Dispersion (SLD) glass elements in the front lens group and one in the rear lens group. It is able to shoot with maximum magnification 1:2 at the focal length of 300 millimeters. It’s the ideal lens for portraits, sports photography, nature photography, and other (more…)
Technorati Tags: 70300mm, Cameras, Canon, f/45.6, Lens, Macro, Sigma, Telephoto, Zoom
Monday, November 9th, 2009 at
1:44 pm

Amazon.com
Sigma launched its first standard 50mm macro lens in 1990, and followed it up with an improved model in 1998. The advent of digital SLR cameras, however, required updated optical technology and a better imaging performance. Enter the latest incarnation of the 50mm macro lens, with an improved design that corrects for various aberrations. Designed exclusively for Canon SLR cameras, this macro lens is specially coated to get the best possible color balance while cuttin (more…)
Technorati Tags: 50mm, Cameras, Canon, f/2.8, Lens, Macro, Sigma