Shake Reduction Technology

Short Description
guide rails, allowing the sensor to oscillate in three … information to the camera. With older lenses, the PENTAX K100D allows users to …

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Content
Shake Reduction Technology
FACT SHEET
The new PENTAX K100D digital SLR incorporates a unique high-tech feature that helps deliver
sharp, blur-free handheld shots with any PENTAX lens. This is particularly helpful in situations
where camera shake is an issue, such as with telephoto lenses, indoors without a flash, or other
low light conditions at dawn, dusk or at night.
How PENTAX Shake Reduction Works
The PENTAX Shake Reduction (SR) feature is an electromagnetically controlled system built
into the body to detect handheld camera shake and compensates by moving a free floating image
sensor. Unlike other DSLR optical anti-shake systems, this SR system delivers shake reduction
with all PENTAX lenses ever manufactured without requiring a special series of bulky, expensive
optics.
Based on a free-floating sensor design, PENTAX SR is superior to other sensor-moving systems because it uses no
guide rails, allowing the sensor to oscillate in three directions-horizontally, vertically, and rotationally.
Over 30 patents have been filed for this SR system, which uses a ball-bearing-mounted oscillator
unit with four electromagnets that hold the free-floating image sensor. Angular velocity sensors
detect camera movement and relay the amount of compensation necessary to…