supremax mirror blanks

All of the mirror blanks we sell are individually tested to be free of internal strain. : 3.25 x 10 -6 K -1 ) High thermal resistance (long term up … plus S&H. Blanks are fine ground and flat on the backside with a round bevel. Purchase telescope mirror blanks here. Hello, I have ready for delivery a 16" Supremax web backed mirror blank for $799. From large primary mirror blanks, Cassegrain designs, and reflective secondary components, ULC can assist you with all of your optical designs. Standard tolerance on the diameter are ±2mm, on the thickness are ±1.0 mm . This is a discount of $451.00 lower than from United lens where I bought it. Developed in conjunction with Ext-Joom.com. Price excluded Vat, delivery cost and packing. Mirror blanks in stock NOTE: These are mirror blanks, not finished mirrors, and are on hand and ready for grinding. Standard tolerance on the diameter are ±1.0mm, on the thickness are ±1.0 mm . Under most circumstances I do NOT sell unfinished mirrors/blanks. Testing throughout is done by non-contacting interferometry whenever possible and are tested at full aperture whenever possible. Telescope mirror blanks for amateur telescope makers. SUPREMAX 33 is a borosilicate Pyrex equivalent, and is an excellent alternative for telescope mirror blanks. With this top quality mirror blank and the appropriate abrasives, polish, and pitch you will be able to make a telescope mirror to your own specifications that can potentially out-perform many mass produced telescopes. You'll need to buy a mirror blank and mirror tool ahead of the workshop. We are able to do any kind of working on our production or. newport glass works, ltd.----- telescope blanks --&-- related products --copyright newport glass works,ltd. Please request quote for curve service on your blank. 1999. all rights reserved Cheers in advance. The advantage to this glass is its low coefficient of thermal … Telescope Mirror Blanks Providing telescope mirror blanks and kits to telescope makers. Our 10 inch blanks are made from Schott Supremax ® 33 borosilicate glass, the predecessor to Pyrex ®, which is no longer made. For plano/concave and plano/convex substrates, center thickness (CT) depends on the radius of curvature. Highlights of ordering from ULC include: Made in America: All United Lens products are manufactured in our Southbridge, MA facility. 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. We have a variety of low thermal expansion borosilicate glass blanks for making a high quality telescope mirror to your own specifications. Then from there, you can make your own cement tool during the workshop for under $10.00. 8" at 20mm edge thickness add $290.00. Mirror blanks are individually tested for internal strain. Supremax ® BLANKS Fine annealed Supremax blanks are borosilicate glass disks, extracted from a plate of Schott Supremax® with a low coefficient of thermal expansion (3.25x10-6/°C) while the standard glass (Soda Lime) has got 8.5x10-6/°C. Thinner blanks are polished on the backside that is said to improve their strength and also to provide less friction against the mirror … Many of our blanks are easily viewed and ordered via our online catalog. Nigel. We work with a variety glasses including fused silica, fused quartz, optical glass, low expansion materials, filter glass and more. We only use precision annealed Schott Supremax-33 in the thicknesses noted on the pricelist page. Packing is included on the price, delivery is at the customer’s expense. Blanks are readily available up to about 5-600mm diameter, but sizes bigger than this are rarer and more expensive as their main markets do not require them. (*) Sales realizable only after buy a blank. Convex Spherical Mirror Blanks Mirror Blanks are available in BK7, UVFS, FS, Supremax 33, Zerodur, Si, Cu, Mo, and CaF 2 substrates. Add amount listed below to Supremax mirror pricing for a quartz Zambuto mirror. Our Supremax blanks are CNC machined on all surfaces. 14.0" & 14.8", 0.8"-thick QUARTZ - can be generated to any custom focal length, ultra-fast cooling! Consequently there is a large step change in price at about this diameter. ], 1.303.664.5000       866.678.4270       sales@rmico.com, The cornerstone of the RMI service philosophy is a collaborative approach with our customers to solve. 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. Thicker quartz is available in all sizes with prorated pricing per thickness. All funds in USD. We are able to do any kind of working on our, production or customer provided blanks, up to 32, inches (810mm) in diameter, and up to 8" (200mm). 16" f/5.0, 1.40"-thick Pyrex - … Site & all contents © 2014 Rocky Mountain Instrument Co. Features of SCHOTT SUPREMAX ® 33 Rolled Borosilicate Glass include: Low thermal expansion technical flat glass (C.T.E. We have supplied elliptical diagonal mirrors to telescope manufactures for more than 20 years. The thickness of a large blank may vary within a … With this top quality mirror blank and the appropriate abrasives, polish, and pitch you will be able to make a telescope mirror to your own specifications that can potentially out-perform many mass produced telescopes. Use it now or buy it as an investment! I will have available #60 grit, #120 grit, #320 grit silicon carbide abrasives available at cost from Salem … Standard tolerance on focal length are ± 1.5%. SCHOTT SUPREMAX ® 33 is a multifunctional rolled borosilicate glass with unlimited applications. Or 36% off. Share this post. It is available in sheet form with a chemical composition identical to SCHOTT’s floated borosilicate glass BOROFLOAT ® 33. It is brand new and I must sell. ... Schott purchased Corning's glass line and now makes "Supremax" and "Borofloat" to the same expansion coefficient ( and probably the same formula ) as "Pyrex". customer provided blanks, up to 32 inches (810mm) in diameter. For your applications that are not covered by our standard mirrors, we offer the following Mirror Blanks which can be coated to your specifications: Mirror Blanks are available in BK7, UVFS, FS, Supremax 33, Zerodur, Si, Cu, Mo, and CaF2 substrates. Mirror blank thickness and pricing by size is below. Orders are confirmed on receipt of an advance of 15-25% of price list. Curve generating service price is connect to work on our blanks. Looking at mirror blanks and cant seem to find any uk suppliers beyond Galvoptics.will be looking at 16-20" sizes likely pyrex/borosilicate. ULC manufactures test plates/mirror blanks in our Southbridge, MA facility with Schott Borofloat® 33/ Supremax® 33. Our blanks have the following standard characteristics: Precision annealed material (6 Mu or less guaranteed) Edges diamond ground with a 220 grit finish Advanced Glass Industries is a precision manufacturer supplying the industry with precision machined and molded glass blanks for the optics industry and beyond. For sizes not listed, please contact us. [Note: Thicknesses listed are exact for plano/plano substrates.

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