Sigma 50-500mm F4-6.3 EX DG/HSM for Four Thirds

Sigma has launched the new Sigma 50-500mm F4-6.3 EX DG/HSM lens for Four Thirds, a huge 10x zoom lens optimized specially for digital SLR cameras. When the lens is used on a Four Thirds camera, the effective focal length will be 100-1000mm. Sigma 50-500mm F4-6.3 EX DG/HSM featuring Triple-cam Rear Focusing System ensures high precision throughout the whole focus range, Uses four SLD (the special low dispersion) glass elements for superior optical performance, and HSM system ensures quiet and high-speed auto focusing

sigma-50-500mm

PRESS RELEASE

The Sigma Corporation is pleased to announce the new 50-500mm F4-6.3 EX DG HSM for the Four Thirds fitting. This high zoom ratio lens is optimised for digital SLR cameras and capable of covering a wide range of focal lengths from 50mm standard to 500mm ultra telephoto. When used on a Four Thirds camera, the effective focal length will be 100-1000mm. This ultra-zoom lens employs a seven-group zoom system, which provides a high zoom magnification of 10x. Triple-cam Rear Focusing System ensures high precision throughout the whole focus range. The new lens coating reduces flare and ghosting, is a common problem of digital cameras, and also creates an optimum colour balance. This lens uses four pieces of SLD (the special low dispersion) glass for excellent correction of color aberration.

- Most effective coating for minimizing flare and ghost with digital SLR cameras.
- Triple-cam Rear Focusing System ensures high precision throughout the whole focus range.
- Uses four SLD (the special low dispersion) glass elements for superior optical performance.
- Accepts both 1.4X and 2X APO EX Tele-Converters, the lens can be used as a 1000mm ultra-telephoto zoom lens.

A zoom lock switch eliminates ‘zoom creep’ during transportation, a convenient addition when traveling.

The rear focus mechanism produces a non-rotating front lens element which accepts a bayonet petal shaped hood, included, which prevents extraneous light from degrading the image quality.

THE SPECIFICATIONS
Focal Length (4/3 Format) 100-1,000mm
Minimum Aperture F22
Lens Construction 20 Elements in 16 Groups
Angle of View (4/3 Format) 23.4°- 2.5°
Number of Diaphragm Blades 9pcs
Minimum Focusing Distance 100cm –300cm(39.3”-118.1”)
Maximum Magnification 1:5.2
Filter Size 86mm
Lens Hood Petal Hood
Dimensions Diameter 95mm (3.7”) x Length 218.5mm (8.6”)
Weight 1842gr/64.9oz
SRP £899.99

The appearance and specifications are subject to change without notice.


See also: Sigma Lenses





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1 Comment »

Comment by Scott
2008-01-31 09:45:58

I just got this lens, have only tested out around the house today since it’s 6 degrees out.
this lens is AWSOME!! I can see myself using this as an everyday lens, focuses close enough to use daily and far enough for those sports or wildlife shots.. Can’t wait to get out and try it out more. Would reccommend this lens to everyone I know.

 

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