Some very quick tests with the new build of the Magic Lantern Firmware, implementing the amazing focus-assist feature. Its available from ML Menu - Video - Focus assist.

Its still in a very early stage, but more than usable by now.


Release notes by alex (thanks!)

Known bugs:

* it's easily fooled by contrast (or lack of it)
* it may display red markers even if there's nothing in focus

Implementation details:

* Only horizontal edges are detected.
* Only adjacent pixels which fit in an int32 are considered.
* Threshold: 1% percentile.
* When recording, HD buffer is downsampled horizontally by 2.


* Fixed the saving bug (you can now save the Focus Peak setting).
* Added some kind of color coding (warmer is better)
* Small optimizations (I'm not sure if they have any effect or not).

Try it out here:

or here

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