Thanks George, I've come to similar conclusions. The movement of the sensor has to be only fractions of a 1/1000th of an inch. Regards, Bob S.
On 12/16/06, George Sinos <[EMAIL PROTECTED]> wrote: > Bob - > > My opinion is that if it's working, you shouldn't be able to feel it. > If you can feel it, it will be inducing it's own blur. > > If the sensor is counteracting your movement I would think it's motion > would be imperceptible. > > My introduction to Pentax SR was with the A10 point and shoot. If you > want to see the SR effect you can push a little button put there just > for that purpose. It's a great demonstration in my classes. > > I generally have the A10 connected to a digital projector so everyone > in the class can see what I'm doing. The screen is about six feet > high so any hand movement is greatly magnified. When I push the SR > button the motion becomes damped and is very smooth. You don't feel a > thing vibrating in the camera. If you couldn't see the effect on the > screen you wouldn't have a clue that it's working. > > I think that's why the camera manufacturers all light up the little > "hand" symbol to let you know you have it turned on. > > See you later, gs > <http://georgesphotos.net> > > On 12/16/06, Bob Sullivan <[EMAIL PROTECTED]> wrote: > > Peter, > > No personal attacks meant by my post. > > Watching the sensor move was illustrative. > > But I don't thnk it proved anything. > > My confidence in Shake Reduction was undermined by all this. > > I couldn't feel the camera DOING anything. > > That's why I did the test and made the side by side post. > > I can't feel thing but I can sure see results! > > Regards, Bob S. > > > > On 12/16/06, Peter Loveday <[EMAIL PROTECTED]> wrote: > > > > "The sky is falling, the sky is falling!" cried Chicken Little. > > > > or so goes the children's tale. > > > > > > > > I got tired of listening to all these 'nervious nellies'. > > > > I got tired of looking at movies of shaking sensors. > > > > I've got the sensor cleaner turned off, so I don't feel any shaking, > > > > or more specifically any shake reduction on the K10D. > > > > > > > > So is it working or not? I shot a test this morning, see below... > > > > I used the K10D and DA16-45mm at F4 and 1/8th of a second. > > > > > > > > http://picasaweb.google.com/rf.sullivan/ShakeReductionPentaxK10D > > > > > > > > The bubbles in the water are much sharper with SR On. > > > > > > > > Now think about the amount of movement the sensor did. > > > > Not very much! No wonder I can't feel anything. > > > > > > > > Do us all a favor and test your results before you whine. > > > > > > > > > Hmm, I think maybe some of the recent threads have got some of us too > > > oversensitive to comments on the list... > > > > > > My post of a mov of the SR wasn't an attack on you, or anyone, nor did I > > > expect you to watch it if you didn't want to. > > > > > > I agree it can (and does) do amazing things; my query was more whether > > > mine > > > was working reliably. I was simpy trying to determine if my camera may > > > have > > > a fault or not, I was not trying to attack the Pentax SR implementaion, or > > > imply that your K10D didn't work in any way. > > > > > > Your shot doesn't show me that my K10D doesn't have a fault; I can, in > > > general, come to a similar result as you have... but I'm not always > > > convinced it is working reliably. > > > > > > Maybe its just me. I'm sure everyone will quickly tell me to actually > > > pictures, with the assumption that all I bought a K10D for is to sit > > > around > > > and take movies of its sensor. I'm sure many will tell me that my test is > > > invalid, as if I'm not aware that this is an unreasonable test of SR.... > > > Yet it illustrates something I found curious, and I thought others might. > > > > > > I apologise for presenting any findings to this list... I won't let it > > > happen again. > > > > > > For what its worth, I find the list an informative and generally fun place > > > to be, but geez guys, lighten up... > > > > > > - Peter > > > > > > > > > -- > > > 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 > > > > -- > 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
