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Sigma 18-50mm F2.8 EX DC now available in Four Thirds fitting

Sigma 18-50mm F2.8 EX DC now available in Four Thirds fitting - EX series, large aperture zoom lens designed specifically for use with digital SLR cameras is now available for owners of Olympus digital SLRs.

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Category : Interchangeable Lenses
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Sigma 18-50mm F2.8 EX DC now available in Four Thirds fitting
Features:
EX lens series denotes excellence of engineering and new technology.
Compact and lightweight zoom design despite large F2.8 aperture.
Excellent correction for various types of aberration provided by one SLD (Special Low Dispersion) glass element and two aspherical lenses.
Super Multi Layer (SML) coating reduces flare and ghosting from which digital cameras tend to suffer

Press Release:
The Sigma Corporation is pleased to announce the new 18-50mm 2.8 EX DC for the Four Thirds fitting.

The characteristics of digital SLR cameras were taken into consideration when designing the lens power layout. The new advanced lens design corrects various aberrations. This lens provides the utmost correction against lateral chromatic aberration which is a serious problem for digital SLR cameras.

This lens is specially coated to get the best colour balance whilst cutting down flare and ghosting, caused by reflections from the digital image sensor and lens. It has excellent correction for vignetting and superior peripheral brightness is ensured.

A Special Low Dispersion (SLD) lens and two aspherical lens elements provide excellent correction for all types of aberrations. The design produces a compact and lightweight, yet robust, construction with an overall length of 84.1mm (3.3in.), maximum diameter of 74.1mm (2.9in.) and weight of 445g (15.6oz).

This lens has a minimum focusing distance of 28cm (11in.). It is equipped with an inner focusing system. The non-rotating front lens element makes the lens suitable for using its petal-type lens hood and circular polarizing filters.

Specification:
Focal Length (4/3 Format) 36-100mm
Minimum Aperture F22
Lens Construction 15 Elements in 13 Groups
Angle of View (4/3 Format) 59- 24
Number of Diaphragm Blades 7pcs
Minimum Focusing Distance 28cm (11)
Maximum Magnification 1:5
Filter Size 67mm
Lens Hood Petal-type hood
Dimensions Diameter 74.1mm (2.9)X Length 84.1mm (3.3)
Weight 445gr/15.6ounces
SRP 369.99
View Directory Page : Sigma Imaging (UK) Ltd

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