Sigma 120-400mm f/4.5-5.6 AF APO DG OS HSM Telephoto Zoom Lens for Canon Digital SLR Cameras Consumer Rating : Price Range : $730 - $849 This lens is equipped with the rear focus system that minimizes fluctuation of aberration caused by focusing. It provides optimum image quality throughout the entire zoom range. The super multi-layer coating reduces flare and ghosting.

Merchant Offers Adorama $730.00 ePhotoCraft $759.99 J&R Music and Computer World $849.00

Sigma 120-400mm f/4.5-5.6 DG APO OS (Optical Stabilizer) HSM AutoFocus Tele... This telephoto zoom lens incorporates Sigma's original OS (Optical Stabilizer) function. It offers the use of shutter speeds approximately 4 stops slo... more at Adorama

Only $730.00

Sigma 120-400mm f4.5-5.6 HSM OS / Canon Sigma 120-400mm f4.5-5.6 HSM OS / Canon more at ePhotoCraft

Only $759.99

Sigma Lens 728-101 Canon 120-400mm Zoom Lens Incorporating original OS Optical Stabilizer function / Super multi-layer coating reduces flare and ghosting / HSM ensures quiet and high-speed autofo... more at J&R Music and Computer World

Only $849.00

Tag : 400mm, f, lens, af, cameras, zoom, digital, telephoto, 5, 4, slr, os, dg, 5, 120, apo, hsm, sigma, canon, 6