December 02, 2021
Universal Photonics® Incorporated and its subsidiaries are open for business during the COVID-19 outbreak.
You can place orders with confidence. Our representatives are available by phone,
1 (516) 935-4000, Monday-Friday 8AM - 6PM, and via online chat,, 8:30AM - 5:30PM EST. Read More

Refer to Zemax for a newly updated and comprehensive CDGM folder

CDGM Glass Company Ltd., the world's largest producer of optical glass, maintains an inventory of optical glass with its exclusive distributor, UNIVERSAL PHOTONICS, to service customers in the United States and Canada.

CDGM produces an extensive line of optical glass at their industrial park and manufacturing plant, in Chengdu, China. Shipping 8-10,000 tons annually, CDGM provides glass to meet every optical designer’s needs. You’ll find CDGM's optical glass included in ZEMAX®.

To learn more about CDGM and their capabilities take a look at

CDGM offers equivalent glass types for nearly all known optical glasses and can develop new glasses to meet customers' unique specifications upon request. Please use our cross-reference table to determine the CDGM equivalent of another common glass type.

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Rochester Precision Optics Samsung Olympus
Isuzu Hoya AGFA
Nikon Leica Panasonic
Fujinon Canon Sony