Sigma 50-500mm F4-6.3 EX DG/HSM 4/3
Launched February 2006


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

  • 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.

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.

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.

Construction 20 Elements in 16 Groups
Focal Length 50-500(100-1000)mm
Maximum Aperture ƒ4-6.3
Minimum Aperture ƒ22
Field of View 23.4-2.5°
Minimum Focus Distance 100-300cm
Number of blades 9
Maximum Magnification 1:5.2
Zooming System N/A
Filter Size 86mm
Diameter 95mm
Length 218.5mm
Weight 1842g
SRP at launch: £899
Available Mounts: Four-Thirds