Archived posting to the Leica Users Group, 2000/03/21
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]> > Ignoring the mass of the camera/lens combo, the camera will be subjected > to > > the same angular movement that is the cause of (stationary) image blur > > during slow shutter speed shots no matter the focal length. To what degree > > that blur is recorded on film depends on the magnification, which > > increases with focal length and decreasing camera to subject distance. If > > you offset the focal length difference by moving closer, thus maintaining > > magnification, you will also have the same image blur. Jacques Bilinski wrote in response to the above: > Are you saying that if you can handhold a 'head and sholders portrait' with > a 90mm lens at 1/125s then that means you can handhold a 'head and sholders > portrait' with a 2000mm lens at 1/125s? Something isn't right here. Maybe > I'm misinterpreting what is being said. > > P.S. Sorry Ted. (plus it dark out and I don't use twinky flashes)>>>>>>> Hi Jacques, Sorry it wasn't I who posted the above which you responded to, if that was what you thought. I know I've posted some dumb stuff at times, but even I wouldn't post that wild and woolly theory. That's the same as saying, " If you pick-up a new born calf everyday as it grows, that when it becomes a full grown 1000 lb adult, you'll still be abl;e to pick it up!" Hell of a theory and totally impractical in real life, just as hand holding a 2000 mm lens at any speed! ted