Tell us what you need and our team will guide you to the right solution
Contact us for standard optical filter questions, custom filter development, technical support, quote requests,
or distributor inquiries. Share a few project details and KUPO will review your request more efficiently.
If your request is technical, include wavelength, bandwidth or cut-off, blocking level, size, substrate, angle of
incidence, and expected quantity whenever possible.
Standard product questionsCustom filter requestsTechnical supportDistributor inquiries
Send us a message
We usually reply within 1 business day
✓ Message sent!
Thanks for reaching out. We'll get back to you at the email you provided.
