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Shake Reduction
The PENTAX-developed “Shake Reduction” technology
solves one of the oldest photographic problems: blur
caused by handheld camera shake. The K Series Digital
SLRs produce sharp photos in challenging situations
without having to use a tripod. Hand-held photography
is now possible with long telephoto lenses or when long
exposure times are required due to poor lighting.
The PENTAX “Shake Reduction” system is integrated into
the camera body and is independent of the lens in use.
The system ensures that at the moment of exposure the
compensating movement of the image sensor provides
blur-free pictures.
The advantage is obvious: you may increase your hand-
held shooting by 2.5 to 4 stops.
PENTAX owns over 30 patents for the SR system, which
uses a ball-bearing-mounted oscillator unit with four
electromagnets that position the free-oating image
sensor. Angular velocity sensors detect camera move-
ment and relay the amount of compensation necessary
to the electromagnets that move the sensor to
compensate for any shake.
Electrical magnet
Permanent magnets
Center plate
Front plate
Position sensor
Image sensor
Back plate
Position support
ball bearing
Shake Reduction Unit
PENTAX has manufactured over 24 million lenses
in the last six decades. For every assignment, we
believe there needs to be a lens that matches
each photographer’s style – amateur and
professional alike. PENTAX DSLR bodies oer
backward compatibility with each and every
one of these lenses.*
Choose from our assortment of new DA
H
, DA Lim-
ited and DA lenses specically designed for use with
PENTAX digital SLRs or pull a favorite PENTAX lens from
the camera bag. Whichever lens is used, whether the most recent
lenses or a classic screw mount, it will faithfully capture the image desired.
*With adapter for screw mount and 645/67 lenses.
K-mount Heritage