Canon lenses calibration

Started 5 months ago | Discussions thread
Zeee Forum Pro • Posts: 21,949
Re: Canon lenses calibration

J A C S wrote:

Why are you doing this? Do you see AF problems?

One of the mistakes people make is to do the calibration with the target too close. This would create more problems than it would solve - been there, done that.

This is very true. That is why I called that PDF link the most comprehensive document. I had lots of links to various Canon information. Some said 50X, others said at location, etc. Even the manuals say best to MFA at location. Then add all the home made versions, etc. There were just too many options which was one reason I never liked MFA. FoCal which follows the sensor parallel to target method made my life easier. I followed it's minimal distance recommendations.

Just use the lenses you normally would and inspect the shots carefully for AF errors. Do MA only if you see consistent front or back focus.

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I feel even more confident that soon things will have a wonderful conclusion

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