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telescope making - supplies - optics
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Aluminum Coatings Aluminum Coatings
Description: We coat amateur telescope mirrors for John Dobson of the Sidewalk Astronomers and for the Telescope Makers Workshop at the Chabot Space and Science Center in Oakland. We do some commercial coating now and then. Our coating is aluminum with silicon monoxide overcoating.

Record Last Updated: 8-Nov-2001 | Clicks: 2412


Easytester Easytester
Description: The EASYTESTER is an eyepiece-like device consisting of a Ronchi grating that allows the owner or user of any type of telescope to quickly determine the quality of the optical train with no previous experience or skills.

Record Last Updated: 11-Aug-2000 | Clicks: 1939


Galaxy Optics Galaxy Optics
Description: Manufacturers of precision 18" to 25" Newtonian telescope optics for astronomers and scientists who want nothing but the best!
astronomyLINKS recommended siteThis is an astronomyLINKS recommended site.

Record Last Updated: 10-Nov-2001 | Clicks: 2679


H. L. Clausing Inc. Optical Coatings H. L. Clausing Inc. Optical Coatings
Description: H. L. CLAUSING INC. offers a wide variety of optical coatings including aluminum and Beral™. Coatings can be designed to accommodate specific needs and applications.
astronomyLINKS recommended siteThis is an astronomyLINKS recommended site.

Record Last Updated: 24-Jul-2001 | Clicks: 2273


ISP Optics ISP Optics
Description: Supplier of "exotic" materials, especially Astrositall. Those blanks are good quality.

Record Last Updated: 24-Jul-2001 | Clicks: 2230


L & L Optical Services L & L Optical Services
Description: Provide high quality coatings at a resonable price. We offer protected, semi-enhanced and enhanced aluminum coatings up to 30" diameter.

Record Last Updated: 18-Feb-2004 | Clicks: 1784


Majestic Optical Coatings Majestic Optical Coatings
Description: Mirror recoating service, protected aluminum up to 16" diameter, other reflective and anti-reflective coatings also supplied.

Record Last Updated: 30-Aug-2002 | Clicks: 2056


Nova Optics Nova Optics
Description: NOVA OPTICAL SYSTEMS mirrors are made from fine annealed PYREX or fine annealed, zero expansion SITALL and are hand figured to produce a smooth zone-free surface.

Record Last Updated: 21-Jun-2000 | Clicks: 3185


Opticast Mirrors Opticast Mirrors
Description: Using a new patented technique, Opticast Corporation can provide low cost diffraction limited replica optical mirrors for a variety of applications. Plaster cast mirrors in sizes up to eight inches in diameter, these mirrors cost as little as one tenth what you would pay for comparable conventionally polished optics.

Record Last Updated: 19-Dec-2001 | Clicks: 2868


Pegasus Optical Pegasus Optical
Description: High quality manufacturer of mirrors.

Record Last Updated: 21-Jun-2000 | Clicks: 2898


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Updated 11/11/2016
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