Conversion Tools

Esco Optics provides the resources below for your understanding and calculations in making better decisions for your specific needs. If you have any questions please contact us at 1-800-922-3726 or email

NEW: Esco Optics Optical Designer

Our new Optical Designer brings everything you need for custom optics calculations to one place. It was designed to aid Esco customers, technicians, engineers, students, and industry professionals with access to a comprehensive set of conversion tools and charts. Furthermore, you can can purchase catalog optics or design custom optics that Esco can quote and manufacture. Esco will be continually updating this tool to increase the functionality and expand the scope of available utilities. We welcome your comments and suggestions!

Launch Optical Designer

Glass Reference

Flatness Conversion Table

Angle and Photometric Conversion Chart

Density Conversion Chart

Quality Optics from a Trusted Supplier

American Owned & Operated

Esco Optics is a leading manufacturer of custom and catalog optics, precision optical components, and ITAR optics in the United States.

Military & Defense Supplier

As the leader for military and defense optics in the United States, Esco Optics adheres to the International Traffic in Arms Regulations.

ITAR Registered & Compliant

ITAR registered and compliant, Esco manufactures ITAR optics for all of its customers with the strictest confidentiality.