droopy1592 wrote:
I received another 7D body, and while it doesn\'t have the random OOF shot like the last one, instead of all of lenses being globally off on this body by -5 MA, now they are all over the place. The 17-55mm and 50mm f/1.4 need 0 MA, the 85L II needs -6 and it\'s razor sharp, and the 70-200 I haven\'t a clue... maybe between -8 and -11 but I don\'t have a thin enough dof to be sure.
This is basically how it is on my lenses. You can\'t expect every lens to be calibrated the same, unless you sent them in for calibration. That is the purpose of MA so lenses that need minor calibration can be adjusted via the camera.
I assure the the increments of MA calibration are not major adjustments so the difference from -2 to +2 is not that dramatic, unless you have a fast aperture lens. I have 14 lenses and they vary from -3 to +4.
Jim
Dec 24, 2009 at 01:01 AM
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