Page 5 of Pentax K100D by PENTAX Imaging Company

additional advantages of pentax shake reduction · since the sr system is activated only when you press the shutter release any effect on battery consumption is negligible · pentax sr is optional you can leave sr on permanently turning it off only when using a tripod or panning deliberately moving the camera in the direction of subject motion to blur the background · performance capabilities such as autofocus speed shutter lag time and continuous shooting rate are unaffected by the sr system because its operation is instantaneous occurring within the normal exposure interval · by building the system into the body pentax sr provides maximum flexibility and requires no compromises in optical quality · to provide optimal shake reduction the camera must know the focal length of the lens in use pentax f fa d-fa and da series lenses automatically relay focal length information to the camera with older lenses the pentax k100d allows users to manually input focal length information via the shake reduction menu which allows focal lengths all the way from 8mm to 800mm the k100d sr system is an engineering achievement and an example of pentax s commitment to our legacy of lenses.

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