On Mon, 31 Mar 2003 22:56:38 +0200, Stefan Gerris wrote: >> > If I use my 300 f4 IS on a locked-up tripod the IS system >> > gets confused and the well-known floating image occurs. >> > I imagine that at high shutter speeds this does not matter, >> > it is far smoother than if I hand hold with the IS off, but >> > at slow shutter speeds it would certainly cause problems. >> > Hand holding with a 2x extender, the effect of IS is miraculous. >> ------------------------------------------------------------- >> Keith, >> >> You may be right, but I have used them 300mm and 600mm IS >> lenses on a tripod as well as my 100-400mm IS and not a problem. >> Maybe I was lucky. BTW, have you experienced this well known >> floating image yourself? I have also used the 28-135mm IS >> on a tripod with slow shutter speeds and the results were >> perfect. >> >> Peter K > >Keith, > >I concur with Peter: I used the 28-135 IS on a Eos30/Elan7e on a tripod >to make a couple of night shots and forgot to switch off IS. As it was a >one time event, I was afraid I spoiled all pics. In spite of the 20 sec >exposure time, they came out quite OK! Maybe you could rephrase to: "the >well-known floating image COULD occur"? > >But then again, 135mm isn't really long now, is it... > >Cheers, Stefan >
Hi I found something quite by accident with my Eos 30 and 100-400 IS lens. If you activate the self-timer (I do, when using a tripod and taking long exposures) the IS mode is automatically disabled. Rob * **** ******* *********************************************************** * For list instructions, including unsubscribe, see: * http://www.a1.nl/phomepag/markerink/eos_list.htm ***********************************************************
