| Description This new Sigma APO 120-400mm F4.5-5.6 DG OS HSM Telephoto Zoom Lens now adds Sigma's new Optical Stabalization technology and super slow shutter speeds of 4 stops slower than previous models. It provides almost perfect correction of chromatic abberation. It provides perfect focus throughout the zoom range and is now equipped with a rear focus system which reduces fluctuation of aberration.
Specifcation - Sigma APO 120-400mm F4.5-5.6 DG OS HSM Telephoto Zoom Lens
Lens Construction - 21 Elements in 15 Groups
Angle of View - 20.4 - 6.2 degrees
Number of Diaphragm Blades - 9 Blades
Minimum Aperture - F22
Minimum Focusing Distance - 150cm / 59.1 in.
Maximum Magnification - 1:4.2
Filter Size - Diameter 77mm (Rear)
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