About us

KUPO Optics was founded in 1992, aiming at offering the finest quality of optical coatings and filters. Thanks to uncompromising to the product criteria, we have been established an excellent reputation in professional optical filter industry.


Black Aluminum Coatings

We provides black coating that features incredibly low transmission rate of visible light. It is mostly used for black and white gobos. After removing the coating layers to form a certain pattern and put in front of a projector, the pattern will be projected to the object you like.

Glass gobo is a perfect substitution for steel gobo. It produces image with higher sharpness and clearness while keeping the feature of great heat resistant.
KUPO Dichroic/ Black Aluminum Coatings


● Great visible light rejection
● Excellent heat resistance

Examples of Applications

● Glass Gobos

General Specification

● Available Substrate: See Glass Substrates under Products Page
● Humidity, Adhesion, and Abrasion: MIL-M-13508C