For those who don't frequent DPR, this is an interesting video of the K100D's SR ina action:
<http://pixinfo.com/img/Pentax/K100D/a/CCD_shift.mpg > Dave On 12/13/06, Digital Image Studio <[EMAIL PROTECTED]> wrote: > On 13/12/06, DagT <[EMAIL PROTECTED]> wrote: > > > Fra: "Digital Image Studio" <[EMAIL PROTECTED]> > > > > > > On 12/12/06, DagT <[EMAIL PROTECTED]> wrote: > > > > > > > If you have three sensors, and they have, the difference between two > > > > sensors with the same orientation but positioned on opposite sides of > > > > the frame they will be able to measure rotation. It is not very clear > > > > from the document, but at least it is possible and I know this has been > > > > mentioned other places as well. > > > > > > It actually says: > > > > > > "Based on a free-floating sensor design, PENTAX SR is superior to > > > other sensor-moving systems because it uses no guide rails, allowing > > > the sensor to oscillate in three directions?horizontally, vertically, > > > and rotationally." > > > > > > But in this later document which includes references to the K10D: > > > > > > http://www.pentaxslr.com/files/scms_docs//PENTAX_SR_Description_091506.pdf > > > > > > "Based on a free-floating sensor design, PENTAX SR is superior to > > > other sensor-moving systems because it uses no guide rails, allowing > > > the sensor to oscillate in three directions?horizontally, vertically, > > > and diagonally." > > > > > > So it's clear as mud. > > > > Have you tried to explain rotation as a third dimension to marketing people > > .-) > > > > That may explain some of the confusion. To me it makes more sense than the > > third direction is a rotation than just a diagonal translation. The latter > > would be possible with the right design of guide rails, but not the > > rotation. > > I suspect that rotation and any other combination of parallel or > diagonal movement would be possible using the combination of four > motors that they have. The motors are the guide rails :-) -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net