Sigma 500mm f/4 DG OS HSM lens rumored to be announced next week at Photokina

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Sigma is rumored to announce a new 500mm f/4 DG OS HSM flagship Sports lens at the Photokina show next week. Here are the specifications:

  • WEIGHT: 3310 gm (7.3 lb). This is only 220 gm (about 0.5 lb) heavier than Nikon's "new" 500mm f4E (fluorite) lens.
  • LENGTH: 380.3mm (15"). This is very slightly shorter (7 mm) than Nikon's "new" 500mm f4E (fluorite) lens.
  • COUNTRY OF CONSTRUCTION: Japan
  • MATERIALS: Magnesium alloy barrel, carbon fiber hood, brass bayonet mount.
  • OPTICS: 16 elements in 11 groups, including 2 FLD (presumably fluoride?) elements and one SLD element.
  • NUMBER OF DIAPHRAGM BLADES: 9.
  • ENVIRONMENTAL SEALING: Dust and Splash-proof construction.
  • ELECTROMAGNETIC DIAPHRAGM: Yes (Nikon version only).
  • OPTICAL STABILIZATION: 4-stops; 2 modes (mode 1 for general photography; mode 2 for panning).
  • CUSTOMIZATION & FIRMWARE UPDATES: Via USB dock.
  • OTHER: Tripod collar with 90 degree click stops (that can be turned off); optional teleconverters, mount converters, drop-in polarizer, and USB dock available.

Via Brad HillNikonRumors

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