Optical Image Stabilization
Canon’s advanced Optical Image Stabilization (OIS) significantly reduces the effects of camera
shake (and the ruined pictures they cause). Not just an electronic “optical illusion” that can
diminish image quality in the cause of modest image stability, Canon’s “lens shift” optical
system actually allows the lens to physically compensate for camera movement, even when that
movement is caused by extended telephoto or low-light shooting conditions. The PowerShot
A570 IS Digital Camera’s OIS is firmly rooted in the technological advances made by Canon in
the design and construction of its professional EOS SLR and professional video lenses.
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