Photographic Color Separation Filter Lens

Filters are designed by their manufacturers to transmit or absorb different wavelengths of light. And optical filters are widely used in scientific experiments and industrial applications where that change is necessary. 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 Wavelength range:190nm to 4.5um Thickness tolerance:+/-0.01mm-0.1mm Edges:Fine Ground Flatness:Up to Lambda/10 Surface quantity: 80/50-20/10 Scratch/Dig