Hi Willem-Jan, > Why would IS be less effective at smaller focal lengths? ... > Hence the threshold of a 200mm lens becomes 1/12.5s, and 20mm > 1/1,25s....:))
Exactly ;-) Regards, Austin * **** ******* *********************************************************** * For list instructions, including unsubscribe, see: * http://www.a1.nl/phomepag/markerink/eos_list.htm ***********************************************************
