High buddy, just read this article from Dutch Passion about trichomes and when to harvest. Everyone will give you different answers so kind if useless for you. This article explains everything about the subject and prefference for when to harvest.
https://dutch-passion.com/en/blog/what-are-cannabis-trichomes-and-how-do-they-affect-your-smoke-n986
Enjoy your harvest!
I don't really care if you don't take my answer, I'll comment anyway 'cause I'm not in any competition here...
Your trichs are looking good... but still half milky, half clear from what I can see... I'd say you have about 2 more weeks to go if you want a good head and body high...
Now take whatever answer you want... and good luck!