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.


UV Blocking Filters

KUPO Optics provides UV blocking filters that are good at blocking unneeded UV and greatly transmitting visible light.
UV is found in a various light sources like sunlight, halogen lamp, fluorescent lamp, and so on. Because of the characteristic of high energy, it will damage the object if the objectis exposed to UV continuously, like the art works illuminated by the light source, or the coating of the camera lens exposed to sunlight. UV blocking filter helps to protect precious item from invisible damage.
KUPO Dichroic/ UV Blocking Filters


● Perfect piece-to-piece, batch-to-batch consistency
● Blocking and Absorbing UV
● Excellent visible light transmission

Examples of Applications

● Art Gallery
● Museum Lighting
● Photography

General Specification

● Optical Tolerance: T50% +/-5nm
● Available Substrate: See Glass Substrates under Products Page
● Humidity, Adhesion, and Abrasion: MIL-M-13508C