DotTune: Video Tutorial for AF tuning without photographs

Started Feb 18, 2013 | Discussions thread
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Re: New recommended AF target
In reply to Horshack, Feb 17, 2014

Horshack wrote:

FYI: After considerable testing I've created new AF target based on a cross-hatch of variable width lines. This new target produces much consistent results compared to the focus chart I used in the video. You can download the new target here.

I'm using the Focal test target and have had success recently, with my D800e and 600mm VR lens.

FocalPro calibrated the camera at -4 and Dot-Tune calibrated the camera at -4 or -5.  After shooting some real world  it looks like -5 is the sharper of the two.

As long as you can get a sharp LV image for setup and have a decent test target you should get excellent results using the Dot-Tune method.


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