ive just bought a proper microscope to look at the trichomes,there clear but there are milky ones forming on the 2 biggest plants(front of tent)

i just check the tops of the buds and as soon as i see an amber i cut down right?
any help on this part please? i no i could read up on this but i dont have time and theres to many answers so just a reply will do to this

heres some pics blue widow pic 3 and 5:rasta: :smokin: