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| 17-MAR-2008 | |
Spreadsheet used to evaluate the AF Fine Tuning of my VR80-400 lens. The AF Fine Tuning value should be somewhere between -5 and -10, to have an optimal DOF distribution.
The chart in the middle calculates the DOF using the formulas,
while the chart at right is my subjective evaluation of the DOF in the AF test pictures.
All photos are Copyrighted by Ole Thorsen, and may only be used in any form upon my written permission
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