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"Optional FLU, Eye-fi Wireless, and SDX Memory card compatibility
With installation of the optional, dedicated 16 GB FLU CARD for PENTAX in the K-3, the photographer can remotely change settings such as aperture, shutter speed and ISO, shift the AF focus point, release the camera shutter, check Liveview image, and browse and download images to mobile devices and PC. Eye-fi Wireless and standard SDX Memory cards also compatible."
So, one can use a smartphone, tablet, etc. to frame/ compose/ adjust/ shoot this camera remotely? That's real innovation!