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https://www.ecoptik.net/hot-sales-telescope-mirror-blanks.html

BRD Optical is one of the leading optical components companies and the manufacturers of optical mirror blanks.

Specification of telescope mirror blanks
Substrate: Fused silica ( JGS2 ) equal Pyrex quartz material.

Diameter: 100 mm~1800 mm

Thickness: 5 mm~300 mm

Grinding radius

Drilled center

Stress birefringence： 5~12nm/cm2

As an excellent optical products manufacturer, offers a wide range of optical products for you to choose from.