Hésitation entre 17-85mm f4-5,6 is usm et 18-135mm f3,5-5,6 is

[dremmwel]

17 85
Canon EF-S 17-85mm f/4-5.6 USM IS - Retest @ 15MP / Review

18 135
Canon EF-S 18-135mm f/3.5-5.6 IS - Review / Lab Test Report

et pour comparer le 18 55 IS
Canon EF-S 18-55mm f/3.5-5.6 IS - Retest @ 15MP / Review