Pre-PMA 2008: As part of Sigma's bumper lens launch, it has announced what might be the ultimate wildlife lens. Sigma claims the APO 200-500 f.2.8 is the world's first lens to offer an f/2.8 aperture at 500mm focal length. It comes with an "attachment" to give users a handy 400-1000mm f/5.6 option. The lens (which is cosmetically reminiscent of a piece of military hardware) weighs nearly 16kg and uses a dedicated Li-ion battery to provide power for focusing and zooming. It will be available in Sigma, Canon and Nikon mounts.

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Press Release:

An ultra telephoto zoom lens offering a fast aperture of F2.8 at the 500mm focal length

The Sigma Corporation is please to announce the new APO 200-500mm F2.8/400-1000mm F5.6 EX DG
Lens.

  • The world’s first ultra telephoto zoom lens that offers a fast aperture of F2.8 at the 500mm focal length.
  • The dedicated “Attachment” ensures autofocusing at the 1000mm focal length.
  • SLD and three ELD glass elements provide high image quality from the maximum large aperture
  • Supplied with ø72mm filter holder at the rear

This lens is the world’s first ultra telephoto zoom lens that offers a fast aperture of F2.8 at the 500mm focal length and F5.6 at the 1000mm. It covers widely used focal lengths from 200mm to 500mm and as a large aperture of F2.8 throughout the entire zoom range. This lens can be used to create amazing image expression with various types of photography such as astrophotography, portraits, wildlife, sports. SLD (Special Low Dispersion) glass and three ELD (Extraordinary Low Dispersion) glass elements provide excellent correction for all type of aberrations.

The super multi-layer lens coating reduces flare and ghosting and provides high image quality from the extremely large aperture. The lens hood, designed exclusively for this lens, blocks out extraneous light. A 72mm filter can be inserted at the rear of the lens, and a circular polarizing filter can be used in situ thanks to the ingenious internal rotation mechanism. The dedicated Li-ion battery BP-21 is used to power the zooming and AF operation. This battery is built in the lens barrel. For the convenience of the photographer, focusing distances and focal lengths can be viewed on the lens`s built-in LCD panel.

Sigma lens specifications

Lens name APO 200-500mm F2.8/400-1000m F5.6 EX DG
Focal length 200-500mm
Maximum aperture f/2.8
Minimum aperture f/22
Lens construction 13 groups 17 elements
Angle of view 12.3°-5°
Closest focus distance 150cm / 59.1in
Maximum reproduction ratio 1:4.2
Aperture blades 9
Filter attachment size 77 mm
Focusing Motorized internal focus
Dimensions 236.5mm×726mm (9.3in × 28.6in)
Weight 15,700g (553.7oz)
Supplied accessories • Dedicated hard case
• Strap
• 400-1000mm f/5.6 attachment
• Battery charger BC-21
• Battery pack BP-21