Canon lenses calibration

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

Zeee wrote:

Qimmiq wrote:

I tried several times using a print out from the web at a 45° angle but was never happy with the results. I then used the Dot Tune method and it worked much better for me.

My lenses didn't need too much adjustment:

15-85 (-4 / -3)

24 (-1)

40 (+2)

70-200 (-4 / -4)

The Dot Tune is a decent method but I found it inconsistent which were environmental conditions I think. Last time I chatted with the author he was doing MFA at infinity so I did that. Using roof tops and street signs. It is usually windy where I live which is why it was probably giving me different results on different days. There was atmospheric distortion to consider and winter so I couldn't use it for 3 months.

For to say. As I said before 45 degrees was a "thing" when MFA first came out but eventually the consensus was not to use it. A target parallel to the sensor is recommended. Even Lens Align has an angled ruler but uses a flat target to focus on.

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

 Zeee's gear list:Zeee's gear list
Canon EOS R Canon EOS R5 Canon RF 24-105mm F4L IS USM Canon RF 100-500mm F4.5-7.1L IS USM +1 more
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