Rate this post by selecting a number. 1 is the worst and 5 is the best.

Author Message   Wonloo Tinkerer Username: Wonloo Post Number: 16 Registered: 07-2010 Rating: N/A Votes: 0 Posted on Tuesday, January 11, 2011 - 05:17 am:    My two-cent experience: before making any adjustment to your shutter, make sure the readings of your testing is consistent. Ten readings out of ten tests of the same setting (position of the photo sensor, aperture and speed of the shutter) should be within 1%. Otherwise, you have either a bad tester (electronic, unlikely) or dirty shutter (mechanical, mostly likely).