A-Star’s Spherical Lens https://www.astarphotonics.com/product-showcase/optics-Lenses/     Stock Spherical Lenses Ready for Purchase Available in Glass and Crystalline Materials with a Variety of Standard and Custom Coatings Stock to Custom, from Design and Prototype to Volume Production Manufactures stock and custom spherical optics to suit any application. From singlet and doublet optical lenses to ball lenses … Continue reading Spherical Lens