Pentax has announced a new GPS geo-tagging turret for its SLRs. Called the O-GPS1, it connects to the camera and also communicates via the hotshoe. The unit does the usual satellite tracking thing to record your latitude, longitude, altitude as metadata in the image file, but then it gets fancy.
Pentax has added a digital compass [...]
Source: http://www.wired.com/gadgetlab/2011/06/pentax-gps-unit-sees-stars-literally/
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