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Sigma 105mm F2.8 EX DG Macro for Four Thirds

Sigma MACRO 105mm F2.8 EX DG LensPMA 2006: The Sigma 105mm F2.8 EX DG Macro for Four Thirds lens is announced at PMA today.

Sigma UK Press Release

The Sigma Corporation is pleased to announce the new 105mm F2.8 EX DG Macro for the Four Thirds fitting. This medium telephoto macro lens produces an excellent optical performance due to its new lens power layout. The new lens coating cuts down ghosting, the influence of harmful light caused by reflections from the digital image sensor. Its outstanding optical performance provides the ultimate correction against lateral chromatic aberration and distortion. This lens boasts compact dimensions of 74mm (maximum diameter) and 97.5mm (overall length). It has a filter size of 58mm and, at just 450gms, is also extremely lightweight. The minimum focusing distance of 31.2cm (12.2”) is capable of macro photography with a maximum magnification of 1:1. It is possible to enjoy photography from life-size close-up to infinity.

- Optimised image quality for Digital SLR cameras.
- Super Multi Layer (SML) coating reduces the ghost caused by reflections from the surface of digital image sensors.
- Features a compact lens design with an overall length of just 95mm.
- A screw-in lens hood for convenient use of circular polarizing filters

This lens is equipped with a “Focus Limiter Switch” that limits the AF range so improving the speed and accuracy of autofocus. It also incorporates a Dual Focus (DF) system that is designed to make the lens easy to hold during auto focusing. The large focus ring offers smooth and positive action whilst focusing manually. A screw-in hood is included, for convenient use of circular polarizing filters. Dual Focus (DF) system.

This lens also incorporates a Dual Focus (DF) system that is designed to make the lens easy to hold during auto focusing. The large focus ring offers smooth and positive action whilst focusing manually.

THE SPECIFICATIONS
Focal Length (4/3 Format) 210mm
Minimum Aperture F/32
Lens Construction 11 Elements in 10 Groups
Angle of View (4/3 Format) 11.6°
Number of Diaphragm Blades 8pcs
Minimum Focusing Distance 31.2cm (12.2”)
Maximum Magnification 1:1
Filter Size 58mm
Lens Hood Screw-in Type
Dimensions Max. Diameter 74mm (2.9”) X Length 95mm (3.7”)
Weight 450gr/ 15.8oz
SRP                 £339.99

The appearance, specifications, and the like of the product are subject to change for improvement without notice.

Published: Sunday, February 26, 2006

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