Many of our blanks are easily viewed and ordered via our online catalog. However, we continue to do Quartz is a very pure glass with an extremely high melting point. See examples in our mirror making workshop in Munich or in the Astrotreff Forum. We have a variety of low thermal expansion borosilicate glass blanks for making a high quality telescope mirror to your own specifications. $310.00. Our mission is to bring quartz to the amateur market at an affordable We offer Telescope Blanks made from SCHOTT Suprax Low Expansion material. INDEX TELESCOPE CONSTRUCTION WEB SITE "WHAT'S NEW?" blank A piece of glass, quartz or other transparent material formed roughly by molding or cutting into the approximate shape and size of the finished part. Mirror blanks are individually tested for internal strain. 58. Where Quartz meets Telescopes. We have a variety of low thermal expansion borosilicate glass blanks for making a high quality telescope mirror to your own specifications. 4.6 out of 5 stars 777. TELESCOPE MIRROR BLANKS MADE TO YOUR SPECIFICATIONS. Amazon's Choice for telescope mirrors. Following in the footsteps of Greg Rohde (Superior Optical Supply), new owners Tim and Chris Anderson (Five Star Optical Supply) will continue to provide high quality, quartz mirror blanks to the amateur astronomy market. S p o n s o r e N 4 Z d F K Z G V 1 4 D. D203F800 Primary Mirror + Secondary Mirror Mirror Set Fit Astronomical Telescope. Mobsby of Blandford Forum, Dorset, England, describing a method of testing medium and long focus mirrors with a special inverse grating that can be interpreted with the ease of a Null Test. © 2016 Five Star Optical Supply LLC. Please email or call for information, pricing confirmations and shipping prices. a traditional mirror. Telescope Mirror Blanks Providing telescope mirror blanks and kits to telescope makers. quartz mirror blanks to the amateur astronomy market. Following in the footsteps of Greg Rohde (Superior Optical Supply), new owners Tim and Chris Anderson (Five Star Optical Supply) will continue to provide high quality, quartz mirror blanks to the amateur astronomy market. 9 Items . Due to changes in the semiconductor industry, the quartz available for secondary Please contact us for pricing and details. The blank only weighs 11 lbs, 15 oz. astronomer. Show. It is a fine-looking, near full-thickness, 10 inch diameter blank that I intend to grind and polish into a 1st class telescope mirror. The blanks are cut from large sheets, they are considerably flat on both sides and come with a ground edge. Mirror Blanks. We also offer a recoating service for Sextant mirrors. Email gordon@waiteresearch.com today. A meniscus mirror is a concave mirror with a convex backside; a telescope mirror featuring a constant thickness. our best to create quartz mirror blanks that will meet your specifications and be ; mirror blank The material on which the reflecting coating for a given mirror design is applied. markets like astronomy is much more limited in supply. This is a 12.5 inch diameter, 1.5 inch thick, light-weight telescope mirror blank that I made myself. $7.58 $ 7. Set Descending Direction. Because quartz Following in the footsteps of Greg Rohde (Superior Optical Supply), new owners Tim Meniscus Mirrors will soon start the production of premium quality meniscus mirrors and custom slumped blanks for newtonian telescopes! Telescope mirror blanks for amateur telescope makers. Sellers with highest buyer ratings; All rights reserved. or Best Offer +$34.50 shipping. Top Rated Plus. Purchase telescope mirror blanks here. FREE Shipping on orders over $25 shipped by Amazon. Ullman Devices HTC-2 High-Tech Telescoping Inspection Mirror, 2-1/4" Diameter, 6-1/2" to 36-3/8" Length. This is a process I call The Waffle-Back Design, because the finished mirror blank looks like a big waffle. Quartz is a very pure glass with an extremely high melting point. From large primary mirror blanks, Cassegrain designs, and reflective secondary components, ULC can assist you with all of your optical designs. If one of our standard telescope mirror blanks isn’t exactly what you’re looking for, Advanced Glass can custom make a telescope mirror blank to your specifications. Get it as soon as Mon, Nov 30. View as Grid List. What is a meniscus mirror? Plastic protractor inserted under a 6 inch mirror blank during a stress test, to illustrate what stress would look like - if there were any present. I have pretty much abandoned this design in … Countless fine mirrors have been made with them for decades. This translates to a lighter telescope and simpler mirror cell. per page. Quartz is a very pure glass with an extremely high melting point. The second from the bottom is the one above. #### 12 inch THIN EDGE PYREX Telescope Mirror Blank #### Brand New. is much stronger than its Pyrex counterpart, it can be made thinner and lighter than With about 50 videos on mirror making and telescope building, Gordon's YouTube channel has accumulated over 2,400,000 views! Telescope Mirror and Lens Blanks Telescope Mirror Blanks and Lens Blanks Corning has a rich history in space exploration, producing mirrors for the Hubble, Gemini, and Subaru telescopes; along with providing window glass for all of NASA's manned spacecraft missions and the International Space Station. All of the mirror blanks we sell are individually tested to be free of internal strain. perfect for your projects. We offer a Telescope mirror re coating service for both Primary and Secondary telescope mirrors. cost. Watch; Results matching fewer words. View as Grid List. Set Descending Direction. Show. Telescope mirror blanks for amateur telescope makers. TelescopeMirrorBlanks.com; 6 inch to 12 inch blanks available; Newport Glass Works (714) 642-9980, allow 10 to 14 days. $119.99. Where Quartz meets Telescopes. Pre-order your custom meniscus mirror or custom slumped blank now! If you are thinking about moving up to a large aperture telescope mirror, we have a new Waite Research premium 20" mirror just for you. We provide 6 inch, 8 inch, 10 inch, and 12 inch telescope mirror blanks in standard 3/4" thickness, and larger mirror blanks up to 20 inches in 1" thickness. It may be glass, quartz, Cer-Vit or metal. The November 1974 issue of Sky & Telescope (page 325) carried an article by Eric G.H. per page. Traditionally, quartz has been far too expensive to be economical for the amateur Buy a New 20" Waite Research Mirror. Read more. Brand New. and Chris Anderson (Five Star Optical Supply) will continue to provide high quality, Here is a stack of my home-made 8 and 10 inch mirror blanks. Telescopes & Astronomy Telescope Mirrors, Blanks, Tools, Aluminising, Testing, and Materials for Mirror Making.

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