Sigma 17-70mm f2.8-4.5 DC HSM - NIKON

Sigma 17-70mm f2.8-4.5 DC HSM - NIKON

The Sigma 17-70mm F2.8-4.5 DC Macro HSM features a large-aperture, standard zoom lens for digital cameras with an open-aperture value of F2.8 (at 17mm) and covers the most frequently used focal lengths.

With an aperture fast enough to be used in many light situations, it is close focusing for use with very small object and its outstanding optical performance that make this an ideal all-around lens for landscapes, portraits, still life studies, group shots and just about any everyday photo situation. With a faster aperture than the typical camera kit lens it is an excellent choice for the photographer who has higher expectations for their photo equipment.

Features

Designed exclusively for use with smaller chip APS-c or 4/3 cameras

Close focusing down to only 8 inch away for a 1:2.3 magnification which is approximately _ life size

HSM (Hyper-Sonic Motor) ensures a quiet & high-speed auto focus

SLD (Special Low Dispersion) glass provide optimum color correction & sharpness

Two aspherical lens elements provide critical sharpness & low distortion

A Super Multi-Coating is used to reduce the occurrence of flare & ghosting and delivers high performance across the entire focusing range

SPECS:

Lens Construction: 15 Elements in 12 Groups

Angle of View: 79.7 degrees - 22.9 degrees

Number of Diaphragm Blades: 7

Miminum Aperture: f22

Minimum Focusing Distance: 20 cm / 7.9 in

Filter Size (mm:) 72

Dimensions (Diameter x Length): 79x82.5 mm/3.1x3.2 in

Extended Dimensions: 123 mm / 4.8 in

Weight 490g / 17.3oz.

Corresponding Mounts: Nikon