| | Filters are designed by their manufacturers to transmit or absorb different wavelengths of light. Optical filter is widely used in medical instrument, finance, metallurgical, photography, cameras, navigation, military, biography instrument, optical instrument andscience field etc.
China star optics can supply a full range of filters, Color Separation Filter, Neutral Density Filter, Filter, Short/ Long Wave Pass Filter, Bandpass Filter and Interference Filter.
Specification of our color filter as follow:
Material: Filter Glass, BK7
Dimension: 4mm-160mm - 0.20mm
Squares/ Rectangles: 1mm-165mm
Thickness: 0.5mm-4mm
Thickness tolerance: + / -0.01mm-0.1mm
Paralism: Up to 3 Arc minutes
Edges: Fine
Ground Flatness: Up to Lambda/ 10
Surface quantity: 80/ 50-20/ 10 Scratch/ Dig | | |
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