Took my 100-400 lens to the hospital yesterday for some fixing. They are going to recalibrate it and clean it for 23,000 yen. As long as nothing else is wrong that is how much it will cost. That is only about $300. Is that normal for that type of service? He asked me if I wanted them to fix it. I told him it doesn't do me much good broken. Fix it. Wish it was a little cheaper though. Anyone else have luck having that lens repaired?