I am wonder if a green pen type 200mW pen type green laser will burn just as good as the flashlight focusing handheld lasers?
Is it just perference, or are the flashight versions better at burning with focusing lens.
So are the fixed pen type lasers just as good for burning?
Is it just perference, or are the flashight versions better at burning with focusing lens.
So are the fixed pen type lasers just as good for burning?