Sizes: 3.0mm to 200mm ø Material: Glass, Fused Silica, Filter Glass Shapes: Round, Square or any odd shape off axis spherical Specifications: 1/20 wave flat and 10-5 surface quality possible LaCroix Optical Products are Found in the Following: • Medical Instruments • Scientific Equipment • Industry Applications • Construction Lasers • Telescope Optics • Government/Military • Condenser Lenses • Fiber Optics • Surveying Equipment • Bar Code Application • Gauging Equipment • Opto Electronics