Things started slowly. But as their reputations grew, so did their businesses. To start, a new mirror blank is “sanded” down to create a precise parabolic curve in a process called grinding.

Corning donates $1.8M mirror blank to the BoldlyGo Institute in New York City. Polishing and finishing of the Corning mirror will be done at Exelis Inc. in Rochester. After others had tried and ...

The European Southern Observatory (ESO) says that the casting of the secondary mirror blank for its Extremely Large Telescope (ELT) project – the largest convex mirror ever produced - has been ...

There were actually two mirror blanks, both made by Corning. One went to Perkin Elmer. The other went to Kodak who was making a backup mirror just in case. PE had bid $70 million while Kodak ...

The James Webb Space Telescope's mirror blanks have now been constructed. When polished and assembled, together they will form a mirror whose area is over seven times larger than the Hubble ...

The mirror blank for the Large Synoptic Survey Telescope has been moved a few feet at a time over the past seven years by its creators at the University of Arizona’s Richard Caris Mirror Lab.