Wednesday, November 18th, 2009 at
5:46 pm

Large aperture zoom starting from 24mm and realizing a maximum aperture F-value of 2.8 As for the front element does not rotate at the time of focusing.
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Technorati Tags: 2470mm, Aperture, Aspherical, f/2.8, Large, Lens, Macro, Sigma, Standard, Zoom
Sunday, November 15th, 2009 at
11:49 am

This large aperture standard zoom lens covers focal lengths from 24mm and is housed in compact construction. The latest optical design provides an overall length of 94.7cm /3.7inch. It is ideal for general photography such as snapshots, portraiture and landscapes. The Super Multi Layer Coating reduces flare and ghosting. ELD (Extraordinary Low Dispersion) glass, two SLD (Special Low Dispersion) glass elements and three aspherical lenses provide excellent correction of all types (more…)
Technorati Tags: 2470mm, Cameras, Digital, f/2.8, Lens, Nikon, Sigma, Standard, Zoom
Thursday, November 12th, 2009 at
4:39 pm

Amazon.com
The Sigma 120-400mm telephoto zoom lens covers a telephoto range of up to 400mm, letting you bring almost any subject close for short-perspective shots. The lens employs Sigma’s original Optical Stabilizer (OS) function, which gives you access to shutter speeds approximately four stops slower without blurring the image. As a result, you can capture low-light, long-distance shots such as football plays, wildlife profiles, and landscape scenes without using a tripod fo (more…)
Technorati Tags: 120400mm, Cameras, Digital, f/4.55.6, Lens, Nikon, Sigma, Telephoto, Zoom
Monday, November 9th, 2009 at
6:26 pm

Exclusively designed to suit the characteristics of digital SLR cameras. The image circle was designed to match the size of the image sensors of most digitalSLR cameras and this has resulted in a compact lightweight lens. Sigma has incorporated an HSM Hyper Sonic Motor into the 18-50mm F3.5-5.6 DC HSM, that now allows quite and high-speed autofocusing with all Nikon DSLR cameras. Aspherical lens and Super Multi Layer Coating are used for excellent lens performance. High image qu (more…)
Technorati Tags: 1850mm, Angle, D40X, D5000, f/3.55.6, Lens, Nikon, Sigma, Wide, Zoom