SCHOTT Suprax Telescope Mirror Blank - Ground

SCHOTT SUPRAX® Low expansion Ground Telescope blank. Our low expansion telescope mirror blanks are available online. Sometimes referred to as Pyrex or borosilicate.
These have been ground to:

296mm (11½ ~12") Diameter - 40mm thick
159mm (6¼") Diameter - 40mm thick
400mm (15¼ ~16") diameter 40 - 45mm thick

The Schott Suprax material is perfectly suited as a Low Expansion Telescope Mirror Blank
Please contact us for custom sizes