Thanks for the input Godfrey. I was specifically wondering about the SR effects on my K10D with my 600mm FA on a gimbaled lens tripod mount.
And if SR would afford me the ability to use slower shutter speeds with acceptable results. Kenneth Waller ----- Original Message ----- From: "Godfrey DiGiorgi" <[EMAIL PROTECTED]> Subject: Re: K10D Shake Reduction Question > > On Jan 12, 2007, at 12:47 PM, Kenneth Waller wrote: > >> I know the manual says not to use SR when the camera is tripod >> mounted. No >> reason given. >> >> Anyone know the reason why? >> Potential damage? Or ineffective SR? >> >> What about with the attached lens mounted on a tripod? >> I'm thinking there still are shake issues with the lens tripod >> mounted, >> especially longer lenses. > > I'm sure I sent a response on this before but can't find it ... > > Shake Reduction is tuned to the camera movement that results at the > frequency and amplitudes of human musculature. Fit the camera/lens > assembly to a tripod or other more rigid support and the expected > shake frequency and amplitudes are drastically different, so the SR > is most likely unable to afford any real advantage in stabilization > and might actually add movement at the sensor due to jitter from the > different frequency/amplitude range. > > Other cameras I've owned with IS have also recommended disabling it > when on a tripod. Aside from the above, and depending upon the > specific camera, it could also save a little bit of power. I've > forgotten in the past and left it enabled, never saw anything get > damaged nor any obvious negative effects on the IQ. > > But if you're using a sturdy support anyway, might as well just turn > it off. > > Godfrey > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
