Guides & Instructions

These guides bring together Chroma’s foundational educational materials—covering how fluorescence works, how optical filters are specified, and how to clean, handle, and orient filters correctly. Whether you’re setting up a fluorescence microscope, designing an optical system, or just getting familiar with thin-film filters, this page connects you to the core references you need.

Featured Guides

thumbnail optical filters handbook

Handbook of Optical Filters

A comprehensive handbook on optical filters for fluorescence microscopy, including design principles, filter terminology, and system-level considerations.

hand holding filter

Cleaning and Handling Filters

Best practices for safely handling, cleaning, and storing Chroma filters to protect coatings and maintain long-term performance.

orientation ring housing

Filter Orientation Guide

How to identify filter surfaces and orient filters and dichroics correctly for best performance.

Additional Guides

Browse our technical content by category to find application notes, educational guides, product literature, whitepapers, and interactive tools that support your optical design process.

chroma fluorescence microscopy

About Fluorescence

A structured series that explains the fundamentals of fluorescence, filter behavior, optical properties and specifications, and how filters interact with microscopes, light sources, and detectors.

word cloud glossary

Glossary & Terminology

Definitions of common optical terms used across fluorescence, imaging, and thin-film optics.

two round mounted filters rectangular

Optical Filters 101

Printable pamphlet with the basics of optical filters and their applications.

chroma spectra viewer phase 2 plot

Tools & Calculators

Interactive tools that help you explore spectral performance and identify the right filters for your application.

Still Need Help?

If you have questions about filter specifications, system design, or how to apply these guides to your workflow, we’re here to help.

  • FAQs – Common questions about optical filters and system design.

  • Contact Technical Support – Get application-specific guidance.

  • Support Center – Explore all support resources, documentation, and contact options.

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