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Sigma Macro 105mm lens
Ilse Jurriën : February 10th 2011 - 22:00 CET
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SigmaSigma Macro 105mm F2.8 EX DG OS HSM lens : Sigma announces the new Sigma Macro 105mm F2.8 EX DG OS HSM lens. This large aperture medium telephoto macro lens offers advanced performance of close-up photography. Sigma’s own proprietary OS (Optical Stabilizer) system enables handheld close-up photography. A Special Low Dispersion (SLD) lens and one high refractive index SLD lens provide excellent correction for all types of aberration and distortion. A floating focusing system on the Sigma Macro 105mm lens moves two different lens groups in the optical path to different positions. This system compensates for astigmatic aberration and spherical aberration and provides extremely high optical performance from infinity to 1:1 Macro.

Sigma Macro 105mm

Sigma Macro 105mm lens
The Super Multi-Layer Coating reduces flare and ghosting, providing high contrast images. It is also possible to use the Sigma Macro 105mm lens with Sigma’s Apo Tele Converter. The HSM (Hyper Sonic Motor) ensures quiet and high speed autofocus as well as full-time manual focus capability. The new Sigma Macro 105mm lens features a splash proof design for use in harsh conditions and a rounded 9 blade diaphragm creating an attractive blur to the out of focus areas of the image.

Sigma Macro 105mm lens specifications
• Lens Construction : 16 Elements in 11 Groups
• Angle of View : 23.3 degrees
• Number of blades : 9 pcs (Rounded diaphragm)
• Minimum Aperture : F22
• Minimum Focusing Distance : 31.2cm / 12.3in.
• Maximum Magnification : 1:1
• Filter Size : Diameter 62mm
• Lens Hood : Bayonet Type (LH680-03) supplied
• Dimensions : Diameter 78.3mm×Length 126.4mm / 3.1in.×5in.
• Weigh : TBD

Sigma lens accessories
• Sigma DG UV 62mm
• Sigma DG Wide Circular PL 62mm
• Sigma APO Tele Converter 1.4x EX DG
• Sigma APO Tele Converter 2x EX DG
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