On Sat, 13 Jul 2002 02:32:31 +0100, you wrote: >Hello > >I have the chance to buy a used 100-400/4.5-5.6L IS in mint condition. >However, when I tested the lens with the IS on, I didn't notice any >vibrations or any noise from the IS. Is this normal? I once tried the 28-135 >IS and I could feel the vibrations and the the "humm" noise from the IS. The >lens is really mint, but if the IS is not working properly, it just isn't >worht buying.
To be honest, Hugo, I rather think the 28-135 you tried was defective. I have one - the IS works and I can't feel any vibration and have to really listen hard to hear the humm in all but the quietest environments. I'd say it's normal. Ken * **** ******* *********************************************************** * For list instructions, including unsubscribe, see: * http://www.a1.nl/phomepag/markerink/eos_list.htm ***********************************************************
