The Sigma Corporation is pleased to announce the new 18-125mm F3.8-5.6 DC OS HSM. This high ratio zoom lens is designed exclusively for digital SLR cameras and will be showcased at PMA, which starts on January 31st, 2008 in Las Vegas, U.S.A.

This compact high zoom ratio lens is designed exclusively for digital SLR cameras and incorporates Sigma’s original OS (Optical Stabilizer) function. This system uses two sensors inside the lens to detect vertical and horizontal movement of the camera and works by moving an optical image stabilizing lens group to effectively compensate for camera shake. It offers the use of shutter speeds approximately 4 stops slower. It is the ideal lens for several type of photography such as wide-angle, telephoto and close-up. SLD (Special Low Dispersion) glass, a molded glass aspherical lens and two hybrid aspherical lenses provide excellent correction for all types of aberrations. The super multi-layer coating reduces flare and ghosting. High image quality is assured throughout the entire zoom range. This lens has a minimum focusing distance of 35cm (13.8") at all focal lengths, and has maximum magnification of 1:3.8, making it ideal for close-up photography. This lens incorporates HSM (Hyper Sonic Motor), which ensures a quiet and high-speed autofocus.

Compact Construction

Its compact construction has an overall length of 88.5mm (3.5"), maximum diameter of 74mm (2.9") and weighting just 450g/15.9oz (Sigma mount).

Close Focusing Capability

This lens has a minimum focusing distance of 35cm (13.8") at all focal lengths, and has maximum magnification of 1:3.8, making it ideal for close-up photography.

Super Image Quality

SLD （Special Low Dispersion） glass, a molded glass aspherical lens and two hybrid aspherical lenses provide excellent correction for all types of aberrations. The super multi-layer coating reduces flare and ghosting. High image quality is assured throughout the entire zoom range.

HSM (Hyper Sonic Motor)

This lens incorporates HSM (Hyper Sonic Motor), which ensures a quiet and high-speed autofocus.

Inner Focusing System

The inner focusing system eliminates front lens rotation, making the lens particularly suitable for using the supplied petal-type lens hood and circular polarizing filters.

Magnification Scale

A magnification scale is displayed on the lens barrel, ensuring ease of use.

Lens Construction	16 Elements in 12 Groups
Angle of View	69.3 - 11.4 degrees
Number of Diaphragm Blades	7 Blades
Minimum Aperture	F22
Minimum Focusing Distance	35cm / 13.8 in.
Maximum Magnification	1:3.8
Filter Size	Diameter 67mm
Filter Size	Petal-type Hood
Dimensions	Diameter 74mm X Length 88.5mm 2.9 in. X 3.5 in.
Weight	505g/17.8 oz.
Corresponding AF Mounts	Canon, Nikon, Sigma, Pentax, Sony/ Minolta

لنز دوربین عکاسی سیگما 18-125mm F3.8-5.6 DC OS ASP/HSM

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