This helps you take clearer photos of celestial bodies by using the in-built sensors to calculate a star's movement and then employing the camera's shake reduction system to compensate.

ENGADGET: Pentax releases O-GPS1 add-on for DSLRs, appeals to astronomy nuts

Its newly designed, large-aperture, 4x optical zoom lens (with the maximum aperture of F2.0 at wide-angle end), high-sensitivity, back-illuminated 16 megapixel CMOS image sensor, and sensor-shift Shake Reduction system ensure sharp, high-quality, low-noise images.

ENGADGET: Pentax expands ruggedized series with Optio WG-3, Target-exclusive WG-10

The MX-1's dual shake-reduction system couples the PENTAX-developed sensor-shift-type SR (Shake Reduction) mechanism with a digital SR mode to more effectively compensate for camera shake.

ENGADGET: Pentax launches brass-bodied MX-1 point-and-shoot: 12MP with 4X zoom (update: now with hands-on photos)