----- Original Message ----- From: "Konstantinos Bibis" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, October 15, 2003 2:47 PM Subject: EOS 100-300 Vs 75-300 IS
> I own the 100-300 USM and i've recently seen a photo by a friend, > taken with the 75-300 IS . It was way sharper than any of mine taken > with the 100-300 USM. > > Is the 75-300 IS considered generally sharper than the 100-300 ? Does > the micro-USM make it slower to focus than the 100-300 ? > But it was mainly optical performance i was interested in at let's say > 300 @5.6 > > thanks I've read in several places that the 75/90/100-300mm lenses all use the same optical formula excepting the additional elements introduced by the IS, and that all are soft at 300mm. I've owned the 75-300mm (non-IS) and 100-300mm (it's on eBay right now!) and would agree with that assessment. Tom P. * **** ******* *********************************************************** * For list instructions, including unsubscribe, see: * http://www.a1.nl/phomepag/markerink/eos_list.htm ***********************************************************
