Sigma 50-150mm F2.8 APO EX DC HSM
Launched August 2006

APO 50-150mm F2.8 EX DC HSM
Compact, lightweight, large aperture telephoto zoom lens designed exclusively for digital SLR cameras and incorporating the very latest optical technology.

• Compact and lightweight
• Incorporation of the very latest optical technology, high image quality is assured throughout the entire zoom range.
• Four SLD（Special Low Dispersion）glass elements are used for utmost correction of chromatic aberrations.
• Equipped with HSM (Hyper Sonic Motor) with full-time manual focus override.
• Compatible with Sigma 1.4x EX DG and 2x EX DG APO Tele-Converters

The Sigma Corporation is pleased to announce the launch of the new APO 50-150mm F2.8 EX DC HSM lens.

Specially designed for digital SLR cameras with an APS-C size image sensor, this large aperture F2.8 lens has a compact and lightweight construction of 76.3mm (3.0”) in diameter, 135.1mm (5.3”) in length and weighing just 770g (27.2oz).

The incorporation of the very latest optical technology gives optimum lens performance providing excellent correction for flare, ghosting and all types of aberrations. High image quality is assured throughout the entire zoom range. Four SLD（Special Low Dispersion）glass elements are used for utmost correction of chromatic aberrations.

The HSM (Hyper Sonic Motor) system ensures quiet and high-speed auto focusing with full time manual focus override.

The addition of the 1.4x EX DG APO or 2x EX DG APO Tele Converters (optional extras) produces a 70-210mm F4 AF tele-zoom lens and a 100-300mm F5.6 AF ultra-telephoto zoom lens respectively.

Specifications
Construction	18 Elements in 14 Groups
Focal Length	50-150mm
Maximum Aperture	ƒ2.8
Minimum Aperture	ƒ22
Field of View	27.9-9.5°
Minimum Focus Distance	100cm
Number of blades	9
Maximum Magnification	1:5.3
Zooming System	N/A
Filter Size	67mm
Diameter	76.3mm
Length	135.1mm
Weight	770g
SRP at launch:	£549.99
Available Mounts:	Sigma AF, Canon AF, Nikon AF, Pentax AF