Canon EOS REBEL T3 Basic Instruction Manual page 471

• Camero shake _
How does a stable viewfinder image help you take beller picture?
looking into the viewfinder while focusing and framing is essential
10
SlR: shooting, so a stable
viewfinder Image is crucial. Canon IS lenses correct for camero shake by shifting certain oplical
components in inverse relation to the lens movement, maintaining the position of incoming light rays
on the film or capturing elements. This means the built-in image stabilizer reduces image blur, not
only in photos but also in the viewfinder. Photographers can confidently shoot blur-free images WIth
reduced eye fatigue.
In-lens image stabilizer
IS unit (canon corrects camera shake by shifllng optical components.)
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