Precision Optical Filters for Astronomy & Astrophotography
Explore Chroma’s catalog of astronomy filters designed for deep-sky imaging, planetary observation, and scientific measurement. From narrowband emission filters to broadband color imaging and photometric systems, our filters deliver precise spectral control, high transmission, and long-term stability for demanding astronomical applications.
Start by browsing filter categories below, or explore our tools and featured resources to support your workflow.
Featured Products
Narrowband Filters
Isolate specific emission lines such as H-alpha, O III, and S II for high-contrast imaging of nebulae and emission regions.
LRGB Filters
Broadband luminance and color filters designed for true-color astrophotography with monochrome cameras.
Photometric Filters
Precision filters designed for standardized astronomical measurements and research applications.
Browse Astronomy Filters
Explore Chroma’s full catalog of individual astronomy filters, including narrowband emission filters, LRGB color filters, planetary filters, and photometric passbands.
Browse Sets
Browse matched filter sets designed for consistent band placement and simplified imaging workflows, including LRGB and narrowband combinations.
Custom Design & Engineering
We understand that the success of your projects hinges on expert collaboration and comprehensive support.
Custom & OEM Astronomy Filters
Chroma works with observatories, researchers, and instrument manufacturers to develop custom astronomy filters and specialized passbands. Options include non-standard sizes, unique spectral profiles, and coatings optimized for long-term stability.
Built for Long-Term Performance
Astronomy filters must maintain spectral accuracy across temperature changes, humidity, and years of use. Chroma’s hard-sputtered coatings are engineered for durability and stability, helping ensure consistent performance for long-term imaging projects and scientific studies.
As an ISO-certified manufacturer, we adhere to strict quality assurance procedures and stand behind this commitment with an industry-leading warranty—our assurance of long-term stability and performance.
Quick References & Education
Learn how to get the best results from your filters:
Technical Library — Application notes, white papers, and guides.
Cleaning & Handling Filters — Best practices to protect coatings and preserve performance.
Filter Orientation Guide — Correct installation of filters and dichroics.
Explore Related Applications
Chroma filters support a wide range of scientific and industrial applications. Explore other areas where our technology enables precision and reliability.
Work With Us
Chroma’s application scientists and engineers support astronomers and astrophotographers at every stage—from selecting catalog filters to developing custom solutions for observatories and instruments.
