Resolved! EF-S 17-85mm f/4-5.6 IS USM giving me problems in 17-35mm range
EFS 17-85, 001 clean lens contactsThe lens giving me the problems in the 17 to 35mm range. above that it seams to work OK. I have tried cleaning the contacts and per a web site, setting the shutter speed to max. That worked for about 10 shots and now...