Published on March 8, 2017
MUSIC IS GARAGEBAND NOT “Laurence Watkins-Blues for You”
“Laurence Watkins is copyrighting ROYALTY-FREE music.
This test incorporates a secondary glass lens just short of the focal point allowing most of the concentrated light from the first lens to be further concentrated by the second glass lens. The results we a 50% reduction on focal point diameter but also a significant power drop.
