Sigma 800mm F5.6 APO Ultra Telephoto
Launched February 1991


800mm F5.6 APO EX DG/HSM
Fast maximum aperture 800mm ultra telephoto lens optimised for digital SLR cameras.

Two Extraordinary Low Dispersion (ELD) glass elements produce excellent image quality.
Accepts APO EX Tele-Converters. The lens can be used as a 1600mm ultra-telephoto lens when used with the 2X APO EX Tele-Converter.
New multi layer lens coating is very effective with digital cameras, minimises flare and ghost.

This ultra-telephoto lens is designed to optimize the characteristics of digital SLR cameras and features a new multi layer lens coating.

Incorporating two Extraordinary Low Dispersion glass elements to reduce chromatic aberration to a minimum and ensure sharp, quality images. The overall length of the lens does not change during focusing, ensuring convenient handling and ease of use. The Hyper Sonic Motor (HSM) ensures an ultra-quiet, high-speed AF function as well as full-time manual focusing capability for Sigma, Canon, and Nikon mount lenses. A 46mm filter can be inserted near the rear of the lens, and a circular polarising filter can be used in situ.

By adding a 1.4x EX APO teleconverter (optional extra), you can use this lens as a 1120mm F8 MF ultra-telephoto lens or as a 1600mm F11 MF ultra-telephoto lens with a 2.0x EX APO teleconverter.

Construction 12 Elements in 9 Groups
Focal Length 800mm
Maximum Aperture ƒ5.6
Minimum Aperture ƒ32
Field of View
Minimum Focus Distance 700cm
Number of blades 9
Maximum Magnification 1:8.8
Zooming System N/A
Filter Size 46mm (drop-in type)
Diameter 156.5mm
Length 521mm
Weight 4900g
SRP at launch: £4499.99
Available Mounts: Sigma AF, Canon AF, Nikon AF, Pentax, Minolta