Since 1976, Drews Optical has remained specialized in the manufacturing process of high quality, custom precision flat optics and custom commercial flat optics. Our custom large-sized continuous polishers are now available for sale. Our machinery will provide your organization with polished flat optics up to 24-inches in diameter. Product applications produced include windows, mirrors, wedges, beamsplitters, and test plates up to 2oth wave in flatness.