This clear acrylic lens fits over our VUPN7213 LED module to focus the beam. Without the lens, the viewing angle is 110 degrees. This lens narrows the viewing angle to 50 degrees. Nubs molded into the underside of this lens mate with holes in the LED module to ensure proper spacing and alignment.
overall diameter: 89 mm.
mount-hole diameter: 3.07mm.
The mount-holes are on the vertices of a square whose radius is 42.50 mm.