I know that the 28-138 and 75-300 IS lenses must have IS off when used on a tripod. Is this also true for the 100-400 IS? I thought the newer ones allowed the IS to remain on? * **** ******* *********************************************************** * For list instructions, including unsubscribe, see: * http://www.a1.nl/phomepag/markerink/eos_list.htm ***********************************************************
