I've been told that the trichomes on the leaves are not what you want to check and to check the trichomes on the buds.
Take several tiny snips. So small your breath will blow them away. Take them from deep in the plant where light doesn't reach. Take 4 Go inside to a table, chair and microscope. $15.00 The presence of some amber will insure the plant is just a smidgen past peak and it'll have a bit more laid back, less anxiety driven stone. And now your an expert. BNW