VY Optics Photoelectric Technology Co.,Ltd. can supply a full range of filter. They are short pass Filter, long pass Filter, band pass Filter, ultraviole Filtert, infrared Filter, heat absorbing Filter, and color temperature conversion filters. We use material by China to Schott, Hoya, and other manufacturers to process them. Metallic films, colored glasses and thin dielectric films filter are all available per your requirements.
Specification of our color filter as follow:
Dimension: 4mm-160mm - 0.20mm
Paralism: Up to 3 Arc minutes
Ground Flatness:Up to Lambda/10
Surface quantity: 80/50-20/10 Scratch/Dig