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Anti-Reflection Filter (AR coating)
Anti-Dirt Coating
Black Coating
Black Chrome Coating
Cold Mirror (Heat Transmission Filter)
Color Correction Filter
Dichroic Filters
Diffuser / Frosted Filter
Dielectric Mirror
Hot Mirror (Heat Reflection Filter)
Hard Coating
Honeycomb Louvers
IR Cut-off Filter
IR Transmission Filter
Neutral Density Filter
Pattern Glass Window
RGB/CMY Mixing Filter
RGB Bandpass Filter
Reflective Mirror RGB
Reflective Mirror Red
UV Cut-off Filter
UV Transmission Filter
Welding Notch Filter
Hard Coating

A hard coating reinforces the plastic lenses resistance to scratches and increases the lifetime of the plastic lenses. Kupo operates hard coating with the technique of dipping to reach the targets of cost-saving and making the coated lenses more resistant to abrasion.
Hard Coating-1 FeaturesĄG
Strengthen surface hardness
a. PMMA: pencil hardness 4H
b. PC: pencil hardness H

Touch panels,
visors that require to enhancing surface hardness

Available sizeĄG
270x400mm maximum