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Sigma 18-50mm F2.8 EX DC Macro lens
Ilse Jurriën : September 26th 2006 - 08:00 CET
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 Sigma 18-50mm F2.8 EX DC Macro lens : Sigma launched a new Four-Thirds system compatible, large aperture zoom lens; Sigma 18-50mm F2.8 EX DC Macro. This lens has a large aperture of F2.8 throughout the entire zoom range. A minimum focusing distance of 20cm (7.9”) and a maximum magnification of 1:3, makes 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-mould and hybrid aspherical lens technology which offers extremely high image quality as well as a compact and lightweight construction. Minimal vignetting and superior peripheral brightness is ensured.
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 Sigma 18-50mm DC Macro lens
Special Low Dispersion (SLD) and Extraordinary Low Dispersion (ELD) glass elements provide excellent correction of color aberrations. The super multi-layer lens coating reduces flare and ghosting, a common problem with digital cameras. High image quality is assured throughout the entire zoom range. An inner focusing system eliminates front lens rotation, making the lens particularly suitable for using the petal-type lens hood (supplied) plus circular polarizing filters. The introduction of this new lens increases Sigma's lens line-up for Four Thirds mount to a total of eleven models. With Four Thirds cameras, the focal length will be equivalent to 36-100mm.
Sigma Macro lens - Specifications
• Mount Type : Four Thirds
• Focal Length : 18-50mm
• Minimum Aperture : F22
• Lens Construction : 15 Elements in 13 Groups
• Angle of View : 62.0°-24.4°
• Number of Diaphragm Blades : 7pcs
• Minimum Focusing Distance : 20cm (7.9”)
• Maximum Magnification : 1:3
• Filter Size : 72mm
• Lens Hood : Petal Hood
• Dimensions : Diameter 79mm (3.1") x Length 91.1mm (3.6")
• Weight : 525g / 18.5oz
• UPC No. : 0085126 581589
Sigma lens accessories
• DG UV72 mm
• DG Wide Circular PL72 mm
• Lens Hood LH780-04
About Sigma
After nearly 40 years of pioneering new and better ways to capture and portray the ordinary - and extraordinary - Sigma is still creating new avenues of expression with innovative designs and enhancements in zoom and non-zoom lenses and single lens reflex cameras. As one of the first manufacturers to successfully introduce the interchangeable lens, Sigma's well-earned reputation for originality, innovation and leadership is your guarantee of the world's most advanced line of photographic products. Products you and millions of photographers worldwide turn to when quality, reliability and professional results count most.
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