SUP Focus & Collimating Lens Set

SUP Focus & Collimating Lens Set separates current 23S/T, 21S/T, and 20S/T Focus Lens Set products from the Collimating Lens Set entry. The visible Model labels include M23 D20 F150, M21 D20 F150, M20 D20 F150, Air-cooled Collimation Lens Set, and Water-cooled Collimation Lens Set.