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Features:

100% tested; each piece is supplied with an interferogram
High-efficiency broadband coating averages 96% reflectivity.
Made from precision annealed Pyrex.

Protostar large Pyrex secondary mirrors are supplied with interferometric test reports, and are 0.1 p-v surface flatness or better (measured at 650 nm wavelength, and evaluated edge-to-edge.) Surface polish is rated at 40-20 scratch/dig. Made in the U.S.A.

Note: Smaller secondary mirror sizes are available as ULS Quartz secondary mirrors.

See also...
our ULS Quartz secondary mirrors.

Prices

Part No.

Description

Price (US$)

For smaller sizes see ULS Quartz secondary mirrors.

PM-260

Pyrex secondary mirror; 2.60" minor axis

$165.00

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PM-310

Pyrex secondary mirror; 3.10" minor axis

$195.00

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PM-350

Pyrex secondary mirror; 3.50" minor axis

$280.00

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PM-400

Pyrex secondary mirror; 4.00" minor axis

$300.00

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