12-15-2011, 01:26 AM
Lenstip.com tested them and it seemed that 18-55 IS version II is worse..As Klaus said, it has just been even more simplified on the mechanical side, for example, IS system:
http://www.lenstip.com/232.3-Lens_review-Canon_EF-S_18-55_mm_f_3.5-5.6_IS_Build_quality_and_image_stabilization.html
http://www.lenstip.com/304.3-Lens_review-Canon_EF-S_18-55_mm_f_3.5-5.6_IS_II_Build_quality_and_image_stabilization.html
http://www.lenstip.com/232.3-Lens_review-Canon_EF-S_18-55_mm_f_3.5-5.6_IS_Build_quality_and_image_stabilization.html
http://www.lenstip.com/304.3-Lens_review-Canon_EF-S_18-55_mm_f_3.5-5.6_IS_II_Build_quality_and_image_stabilization.html