Sigma 18-50mm f/2.8 EX DC Macro HSM

Sigma 18-50mm f/2.8 EX DC Macro HSM

Description

Large aperture zoom lens designed specially for use with digital SLR cameras and includes a minimum focusing distance of 20cm.

This lens is specially designed to suit the characteristics of digital SLR cameras and provides a high level of optical performance. It has a large aperture of F2.8 throughout the entire zoom range, offers superior peripheral brightness as well as a compact and lightweight construction. A maximum magnification of 1:3, makes this lens ideal for close-up photography. The Nikon fit version also includes an HSM auto focus motor.

A Minimum focusing distance of 20cm and maximum magnification of 1:3

This large aperture standard zoom lens, with close-up ability, is ideal for all types of photography including portraits, landscapes and snap shots.

Large aperture of F2.8 throughout the entire zoom range

The constant large aperture enables easy confirmation of focusing through a bright viewfinder. This lens is perfectly suited for low light conditions indoors or at dusk.

Excellent optical design

Special Low Dispersion (SLD) and Extraordinary Low Dispersion (ELD) glass elements provide excellent correction of colour aberrations. This lens produces an exceptional level of optical performance.

Compact and lightweight lens

Its design incorporates both glass-mold and hybrid aspherical lens technology which offers a compact and lightweight construction.

Reduced Ghosting and Flare

This lens has excellent correction for vignetting, a common problem with large aperture lenses. Its new design ensures superior peripheral brightness. The super multi-layer lens coating reduces flare and ghosting. High image quality is assured throughout the entire zoom range.

Inner Focus System

The lens is equipped with an inner focusing system. The non-rotating front lens element makes the lens suitable for using its petal-type lens hood and circular polarising filters.

Specifications

Focal length18 - 50mm
Lens construction15 elements in 13 groups
Number of diaphragm blades7
Maximum f/ stopf/22
Minimum f/ stopf/2.8
Closest focusing distance20cm
Maximum reproduction ratio1/3
External front filter72mm
Length85.8mm
Diameter79mm
Weight450g
Suited for 35mm camera's as well?No