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Sigma 50-500mm lens
Ilse Jurriën : February 21th 2010 - 15:38 CET
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SigmaSigma APO 50-500mm lens : The Sigma Corporation is pleased to announce the new Sigma APO 50-500mm F4.5-6.3 DG OS HSM lens. This is a 10x high zoom ratio ultra telephoto zoom lens incorporating Sigma’s original Optical Stabilizer function. The Sigma 50-500mm lens covers a wide range of focal lengths from 50mm to 500mm ultra telephoto. The OS (Optical Stabilizer) function offers the use of shutter speeds approximately 4 stops slower than would otherwise be possible. For Sony and Pentax mount, the built-in OS function of this lens can be used even if the camera body is equipped with an image sensor shift anti-shake system. As compensation for camera shake is visible in the view finder, the photographer can easily check for accurate focus and ensure there is no subject movement.

Sigma 50-500mm

Close-up photography with the Sigma 50-500mm lens
Four SLD (Special Low Dispersion) glass elements provide excellent correction of color aberration. The Super Multi-Layer Coating reduces flare and ghost and ensures high image quality throughout the entire zoom range. The Sigma 50-500mm lens has a maximum magnification ratio of 1:3.1 (at the focal length of 200mm) making it ideal for close-up photography.

Sigma 50-500mm lens specifications
The Sigma 50-500mm lens incorporates HSM (Hyper Sonic Motor), ensuring quiet and high speed AF as well as full-time manual focus capability. The addition of the optional 1.4x EX DG or 2x EX DG APO Tele Converters produce a 70-700mm F6.3-8 or a 100-1000mm F9-12.6 MF zoom lens respectively. The Sigma 50-500mm lens is equipped with a Petal-type hood to block out extraneous light. The filter size of the new Sigma lens is φ95mm and the lens is supplied with a step down ring enabling digital cameras with an APS-C size image sensor to use an φ86mm filter.




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