> that could fulfill my wish, the 28-105 USM or the 28-135 IS USM. As the > price difference (� Hfl 500 ~ $200) is known to you guys, I have a few > questions. > > 1) Is this difference worth the IS? as an owner of 28-135 IS, I think image stablizer is worth ts price. > 2) Is it problematic that the aperture of the 28-135 changes much faster > (40mm f4.0; 50mm f4.5; 85mm f5.6) than the 28-105 (40mm f4.0; 80mm f4.5) The difference is never more than half a stop, so I wouldn't think it as a problem. and after all, you have the IS. > 3) Are filters (UV, Polarizer) so much more expensive for an 72 (28-135) > than an 58 mm mount? They are more expensive. For example, hoya HMC circ pol filter is about 48 euros (58mm) compared to about 81 euros (72mm). That is notable difference. > 4) Is the 30mm extra on the 28-135 worthwhile. haven't shot with 28-105, can't really tell, but compared to 28-80 there is noticeable difference in the reach. * **** ******* *********************************************************** * For list instructions, including unsubscribe, see: * http://www.a1.nl/phomepag/markerink/eos_list.htm ***********************************************************
