Is this active focus

i have a black line on white wall in my garden when i use my normalized i notice some double vision i stare at the thickest line 1 minute everything becomes crystal clear for 50 seconds and then my vision is blurry again

is this AF or not? i was looking for an answer almost 15 days

Can be the start of AF. Definitely a good step towards it.

You may get more replies if you join into an ongoing discussion on AF-finding.

I guess you already checked this:

A couple of recent discussions FYI:

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