Ohara Corporation - Rancho Santa Margarita, CAPrecision optical glass: strip, blanks, pressings, polished balls, near-UV transmitting i-Line glass, ceramic substrates, CaF2, UV/IR materials, quartz, fused silica (standard/excimer grade), Nanoceram. Ohara CCZ ultralow expansion (excellent CTE uniformity, blank form, to 1.8 m diam). Double-side polished substrates (low surface roughness, excellent flatness).
Universe Kogaku (America) Inc. - Oyster Bay, NYDesigns and manufactures stock and custom lenses and precision assembled optical lenses including UV quartz, CCD and CMOS, CCTV and diode laser, high-res, mounts, filters, and accessories. Application engineers provide custom design services. Universe has over 1600 different lenses in stock, and ships worldwide. Since 1949.