After seeing Roger's post on it I did my 17-55 quite a while ago...pretty easy to do. And the front element magnifies the internal dust size like *crazy*. You expect to see rocks in there and in reality it's just the tiniest little specs.
Of course I am now trying to sell most of my EF-S stuff and there are just a few new specs in there. I have had several people interested in the lens until I admit there is just a tiny bit of dust...then I never hear from them again. I don't want to clean it again, but I am getting tired of sales not going through.
« Last Edit: June 10, 2013, 08:58:13 AM by celltech »
Bodies - 5D3, SL1, EOS M Primes - 135 f/2 L, 85 f/1.8, 50 f/1.4, 40 f/2.8, 22 f/2 Zooms - 70-200 f/2.8 L IS II, 70-200 f/4 L, 24-70 f/2.8 L II, 17-55 f/2.8, 10-18 f/4.5-5.6 IS, 11-22 f/4-5.6 IS