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Focuser relative profile

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Focuser relative profile was created by Miguel

Hi all,

I've read it once and again, but don't understand the concept and relative profile graph under focus module:


The relative profile is a graph that displays the relative HFR values plotted against each other. Lower HFR values correspond to narrower shapes and vice-versa. The solid red curves is the profile of the current HFR value, while the dotted green curve is for the previous HFR value. Finally, the magenta curve denotes the first measured HFR and is displayed when the autofocus process concludes. This enables you to judge how well the autofocus process improved the relative focus quality.

Could anybody please explain it with another words? What the axis represent exactly?

m
3 years 1 month ago #68297

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