[Rover]

Hm... for that amount of dough I kinda expected that lens to be stellar everywhere. Then again, on 5D Mark II(ish) it well may be, and Canon may have thought that whoever has the cash to splurge for a 5DSR and this lens must already have the 24-70/2.8 II as well... probably not many of them really go the old "cheapskate" route of skipping the standard zoom and going straight for the 70-200 as the next lens as I am doing ever since parting with my old 24-85. Therefore the 35mm end is big deal for me (and it's not noticeably worse than the rest of the range on the 16-35/4) but probably not to most anyone else.