I've shot off the tripod both with shake reduction on and off. Doesn't seem to make a difference. But you definitely don't need it at 1/2500th. Mirror slap is not a factor either. Hell, mirror slap isn't a factor at anything over 1/125th or so. Paul On Feb 23, 2011, at 5:36 PM, Darren Addy wrote:
> This may seem like a silly question, but... > I'm going to try to take a handheld image of the ISS (International > Space Station) on a flyover tonight. It goes darn near directly over > the top of me and is early enough that I should be able to get it for > almost it's entire arc of the sky. After doing some research, it > appears that you need a darn fast shutter speed to freeze the motion > of the thing, as it is really cooking along. I will be trying it with > my Tamron SP 500mm mirror lens. > The exposure I will be attempting will be 1/2500 @ f/8 ISO: 3200 on my K-x. > > I won't be able to use the mirror-up/self-timer so there will be > mirror slap followed by a 1/2500th exposure. Does anyone have any data > (or opinions) on whether shake reduction should be ON or OFF? > > (Even at an equiv. 750mm focal length, this is like shooting a > slightly large STAR. It is going to be small in scale to the frame). > Thanks for any input. I've got about 2-1/2 hours till flyover. > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
