Anti-Shake effect decreases under the following conditions: 1) When the lens with Macro switch function is set for Macro shooting. 2) When the lens with focus limiter function is used in the focal length other than infinity with limiter setting. (except SSM lenses and Macro (D) lenses with) Anti-Shake effect may decrease depending on the camera setting and/or difference of individuals: 3) When image is magnified. The larger the magnification rate, the more the image is influenced by camera shake. Use of the tripod is recommended. 4) When the shutter-release button is pressed right after the camera itself travelled quickly or when the shutter-release button is fully pressed without pressing it halfway down. In both cases, camera shake amount may not be detected correctly.