Hey Godfrey, Thanks. Very interesting.
Since I have a rule of thumb that I almost never take a photograph with my camera off-tripod, I guess shake reduction will probably not be something I'll use much. Cheers Barry > There are horizontal and vertical movement sensors that feed to a > controller which also knows the focal length (and the focus > distance, > I believe, with F/FA/DA/D-FA series lenses), calculates the > amplitude > and direction of the movement, and then moves the sensor on a > magnetic cushion to compensate. > > The shake reduction system is tuned to manage vibrations in > the range > of amplitudes usually seen in human musculature. When the camera is > on a tripod, the range and frequency of the vibrations are quite > different, often beyond the ability of the control system to manage, > which can cause the stabilization system to increase the amount of > motion blur in the captures rather than decrease it under certainly > circumstances. For this reason, and maybe for some tiny increment of > savings in power consumption, they recommend that the AS be > turned off. > > I have not found that it matters overly much with my tripod and the > lenses that I normally use with the cameras I've had that supported > image stabilization in the past, however I have not had much > experience with the K10D in this regard as yet. > > Godfrey -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
