?Filters are designed by their manufacturers to transmit or absorb different wavelengths of light. And they are widely used in scientific experiments and industrial applications wher that change is necessary. 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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