It seems to be quite useful, especially when the interval shooting function is required. And almost all the Pentax DSLRs are supported! The *ist D and the Q are not mentioned, though.http://www.wegroo.com/photoirmote/photoirmote/Some of the screenshots can be found at their this sub-page. But before it works, an infrared (hardware) dongle, which is plugged into the phone jack of the phone, has to
