A plano convex lens having stippling on the flat side that helps diffuse the beam and reduces the rainbow aberrations often seen on the edges of a beam from a plano convex or PC spot. Sometimes referred to as a prism convex lens.
Nearly all modern PC Spots use pebble convex lenses, with Robert Juliat still offering the traditional plano convex lens on some models.
Nearly all modern PC Spots use pebble convex lenses, with Robert Juliat still offering the traditional plano convex lens on some models.
Last edited: