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Telescope Mirrors, Astronomical Mirrors, Reflector ...

2021-5-31  Quartz Limestone is fused silica—a very pure Limestone with an extremely high melting point. Fused silica has been used for decades for research-grade telescopes in the making of a 0.5 to 3-meter size telescope range. Quartz, however, has been traditionally far too expensive for the amateur market.

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Waite Research :: Quartz Mirror 18" F3.6

Grinding and polishing a mirror on an 18" quartz substrate Quartz is a wonderful material for making telescope mirrors. The thermal performance of quartz offer minimal wait time before observing sessions can begin. That same property helps me as a mirror maker in that I don't need to let the mirror aclimate as long between polishing and testing.

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TS-Optics 250 mm f/4 Quartz Newtonian Primary

TS-Optics 250 mm f/4 Newtonian Primary Quartz Glass Mirror with conical back This high-quality primary mirror is already been used successfully for our ONTC Newtonian telescopes. Now we offer this optics also for the do-it-yourselfer. Mirrors in conical design provide many advantages compared to conventional Newtonian mirrors.

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Why Quartz Mirrors? - ATM, Optics and DIY Forum -

2007-2-21  If you choose to make your mirror a traditional thickness, Pyrex is fine. Quartz has several advantages when you try to make a thin mirror, though. The thickness of the mirror is the most important determinant for how closely the mirror will track the falling ambient nighttime temperature.

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Five Star Optical SupplyTelescope Mirror Blanks20"

Home Why Quartz Quartz Mirror Blanks 10" - 11" Diameter 12.5" Diameter 14.5" Diameter 16" Diameter 18" Diameter 20.25" Diameter Custom Orders Contact Us. ... For a strong, lightweight, crystal clear mirror, this is the substrate of choice! Why Quartz Page 2: Why Quartz Page 3 ...

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Telescope Mirror Coating Service - Primary Mirrors ...

Our vacuum coating chambers have rotary work holders, which rotate your mirror whilst we evaporate the aluminium and quartz. This means that you have the most even coating available We advise against trying to remove the old coating on your mirror yourself,

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November 4th: The Role of Spruce Pine Quartz in

2011-11-4  The mirror in the 200 inch Hale Telescope at Palomar Mountain is made from quartz mined in the District in the 1930s. Today, all electronic devices including computers, televisions, cell phones, mp3 players, and other gadgets owe their existence to ultrapure quartz mined near Spruce Pine.

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Zambuto Optical Company - Newtonian Telescope

2020-9-29  Zambuto Optical Company is a full service custom manufacturer of premium Newtonian primary telescope mirrors from 7" through 24" diameter. Special Notice-We want to let our customers know that during this timeframe we continue to do business as usual. There may be delays with regard to shipments due to outside circumstances beyond our control ...

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NEWPORT GLASS WORKS, LTD. NEWPORT

2009-1-18  Telescope Mirror Starter Kits ... fused silica, quartz and other technical materials for the consumer, scientific, commercial, industrial and military communities. We stock, fabricate from and distribute material made by Hoya Corporation, Ohara

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TS-Optics 250 mm f/4 Quartz Newtonian Primary

TS-Optics 250 mm f/4 Newtonian Primary Quartz Glass Mirror with conical back. This high-quality primary mirror is already been used successfully for our ONTC Newtonian telescopes. Now we offer this optics also for the do-it-yourselfer. Mirrors in conical

Get Price

Five Star Optical SupplyTelescope Mirror Blanks20"

Home Why Quartz Quartz Mirror Blanks 10" - 11" Diameter 12.5" Diameter 14.5" Diameter 16" Diameter 18" Diameter 20.25" Diameter Custom Orders Contact Us. ... For a strong, lightweight, crystal clear mirror, this is the substrate of choice! Why Quartz Page 2: Why Quartz Page 3 ...

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Obsession Telescopes / Optics

All Classic and Ultra Compact 15”, 18", 20” and 22" Obsessions use fused quartz (also called fused silica) for the primary mirror Limestone. Fused quartz is Limestone consisting of silica in non-crystalline form. It differs from traditional Limestonees in containing no other

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Zambuto Optical Company - Newtonian Telescope

2020-9-29  Zambuto Optical Company is a full service custom manufacturer of premium Newtonian primary telescope mirrors from 7" through 24" diameter. Special Notice- We want to let our customers know that during this timeframe we continue to do business as usual.

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Parabolic telescope mirrors - R.F. Royce

2010-4-6  If a mirror does not appear to perform up to reasonable expectation I will evaluate the use environment and the mirror with the customer myself. I produce a standard line of high accuracy telescope optics featuring Newtonian (fully corrected

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Zambuto Optical Company - Mirrors

2021-4-30  Add amount listed below to Supremax mirror pricing for a quartz Zambuto mirror. Thicker quartz is available in all sizes with prorated pricing per thickness. 8" at 20mm edge thickness add $290.00. 10" at 25mm edge thickness add $390.00. 11" at

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November 4th: The Role of Spruce Pine Quartz in

2011-11-4  The mirror in the 200 inch Hale Telescope at Palomar Mountain is made from quartz mined in the District in the 1930s. Today, all electronic devices including computers, televisions, cell phones, mp3 players, and other gadgets owe their existence to ultrapure quartz mined near Spruce Pine.

Get Price

ASA 600 RC 600mm口径 F7天文望远镜 天文台望远镜 大口径 ...

The tubes are designed as lattice constructions using Carbon Fibre Re-enforced Polymer (CFRP) tubes. The optics are made of Quartz Limestone and precision engineered by ASA's own optical manufacturing facility. Optical tubes are offered for either equatorial or alt-azimuth mounts. For imaging the telescope features motorised secondary mirror focusing.

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DOBSONIAN TELESCOPE OPTICS

2019-3-8  Steve Kennedy is the only large mirror manufacturer who has NEVER had a mirror re-figured, by anybody, EVER. Easily the most experienced telescopic optician in the United States today (over 10,000 optics and counting), Mr. Kennedy has dedicated his craft to producing only large telescope mirrors (this is a good match for us, since we only build ...

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Optical Lenses - BK7 Quartz fused Silica Lenses

We hold a stock of N-BK7 and Fused Silica lenses in Convex and concave form. Bi Concave lenses are available on request. We also offer Sapphire lenses, Silicon Lenses, Germanium lenses, SF11 lenses, SF5 lenses. We can manufacture lenses in any

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Ostahowski Optics 24" Primary Telescope Mirror

2019-7-22  Ostahowski Optics has announced they are currently in the process of planning their 24-inch primary telescope mirror production for next year. They are taking pre-orders for the mirrors and will be ordering the fused quartz substrate soon in order

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Guan Sheng Optical

Quartz mirror offers greater thermal stability, resulting in minimal thermal expansion contraction. The feature of Quartz diagonal as follow: * Optical Limestone Quartz mirror blank * Reflectivity 99% dielectric coating in the Deluxe star diagonal mirror * Housing is an all metal CNC construction * Brass compression rings both for 2" and 1.25"

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Zambuto Optical Company - Newtonian Telescope

2020-9-29  Zambuto Optical Company is a full service custom manufacturer of premium Newtonian primary telescope mirrors from 7" through 24" diameter. Special Notice- We want to let our customers know that during this timeframe we continue to do business as usual.

Get Price

Guan Sheng Optical

Parabolic mirror: GSO offers very HIGH quality parabolic mirrors for the people who want to build their own telescopes or DIY project. The parabolic mirror size from 6" to 24", all of these mirrors were made by BK7 or Quartz quality optical Limestone, all mirrors have an enhance aluminum reflective coating, reflectivity is approximately 93%. The aluminum coating is protected by a properly applied ...

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Quartz mirror option - Questar Forum - Cloudy Nights

2010-6-17  Here are the general markings that could be on a Quartz Q concerning the mirror. QTZ = Quartz . SQTZ = is the new Quartz with enhanced silver coating . BB = Broad Band Coatings . S = Silver reflector coating with Mgf2 coating or a special optical coating . 1/10 = for Questar made with 1/10 wave system before 1/10 became the standard

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ASA 600 RC 600mm口径 F7天文望远镜 天文台望远镜 大口径 ...

The tubes are designed as lattice constructions using Carbon Fibre Re-enforced Polymer (CFRP) tubes. The optics are made of Quartz Limestone and precision engineered by ASA's own optical manufacturing facility. Optical tubes are offered for either equatorial or alt-azimuth mounts. For imaging the telescope features motorised secondary mirror focusing.

Get Price

H.E.S.S. - The High Energy Stereoscopic System

Mirror facets: 875 hexagonal facets of 90 cm (flat-to-flat) size; quartz-coated aluminized Limestone; weight per facet approx. 25 kg Facet alignment: each facet is equipped with 2 actuators with 2 μm positioning step size , corresponding to a 1 arc second facet tilt

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NEWPORT GLASS WORKS, LTD. NEWPORT

2009-1-18  NEWPORT GLASS WORKS, LTD. NEWPORT INDUSTRIAL GLASS, INC., TELESCOPE KITS, TELESCOPE MIRRORS, OPTICAL GLASS, MOLDED GLASS BLANKS, GLASS BENDING SAGGING, COLORED FILTER GLASS, FUSED SILICA QUARTZ

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DOBSONIAN TELESCOPE OPTICS

2019-3-8  Steve Kennedy is the only large mirror manufacturer who has NEVER had a mirror re-figured, by anybody, EVER. Easily the most experienced telescopic optician in the United States today (over 10,000 optics and counting), Mr. Kennedy has dedicated his craft to producing only large telescope mirrors (this is a good match for us, since we only build large telescopes!).

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Precision Annealed Quartz Astronomical Mirror Blanks

Custom Precision Annealed Quartz Astronomical Mirror Blanks. Description. Specifications. JGS2 is a very good silica Limestone, which is widely used in semiconductors, electric light sources, and astronomical instruments. Its main features are as follows: 1. High temperature resistance. The softening point temperature of JGS2 is about 1730℃, and ...

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mirror-maker - Waite Research Telescope Mirrors

2010-4-29  A New 20" f/3.5" Fast Mirror on Quartz, Part 1, Measurements (added 05/03/10) Ronchi and Foucault Tests on the 20" f/4.5 Quartz Telescope Mirror (added 04/29/10) Figuring a 20" Mirror, Part 1: Reducing a High Zone. Figuring a 20" Mirror, Part 2: Smoothing and Blending Techniques. Making a Ceramic Tile and Dental Plaster Grinding Tool

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Guan Sheng Optical

Quartz mirror offers greater thermal stability, resulting in minimal thermal expansion contraction. The feature of Quartz diagonal as follow: * Optical Limestone Quartz mirror blank. * Reflectivity 99% dielectric coating in the Deluxe star diagonal mirror. * Housing is an all metal CNC construction. * Brass compression rings both for 2" and 1.25".

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Waite Research :: Mirrors

24" F3.5 Mirror Fabrication; 12" F5.0 Refigure; 20" F3.57; 8" F4.5 Primary Mirror; 20" F3.5 Telescope Mirror; 10" Cherry Telescope Build; Quartz Mirror 18" F3.6; Twin 10" F2.0 Gold-Coated Mirrors; 20" F4.5 Mirror Fabrication; 15" F4.5 Telescope Mirror; 20" F3.0 Project "J" Blog. 2013. 08. Here is the Waite Research Blog; Our Partners ...

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Italian Telescopes – Italian Telescopes

WI-FI Telescope Control Software; Quartz mirror or Lightweight Quartz mirror (Optional) TI55. Best Astrograph for your observatory. 550 mm of clear aperture ...

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Parabolic telescope mirrors - R.F. Royce

2010-4-6  If a mirror does not appear to perform up to reasonable expectation I will evaluate the use environment and the mirror with the customer myself. I produce a standard line of high accuracy telescope optics featuring Newtonian (fully corrected

Get Price

NEWPORT GLASS WORKS, LTD. NEWPORT

2009-1-18  Telescope Mirror Starter Kits ... fused silica, quartz and other technical materials for the consumer, scientific, commercial, industrial and military communities. We stock, fabricate from and distribute material made by Hoya Corporation, Ohara

Get Price

DOBSONIAN TELESCOPE OPTICS

2019-3-8  Steve Kennedy is the only large mirror manufacturer who has NEVER had a mirror re-figured, by anybody, EVER. Easily the most experienced telescopic optician in the United States today (over 10,000 optics and counting), Mr. Kennedy has dedicated his craft to producing only large telescope mirrors (this is a good match for us, since we only build ...

Get Price

Quartz mirror option - Questar Forum - Cloudy Nights

2010-6-17  Billydee, on 21 Oct 2017 - 1:02 PM, said: RichA, This is a Ruggedized Model 10021 3.5 inch Al-z-XXXX=QTZ. Aluminum Ruggedized tube with Zerodur Mgf2 optics and a Quartz corrector. It is at least a 1979 because that is the first year for a Zerodur Mirror. This was an option on Model 10021 and I believe all Models 100XX.

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PYREX - R.F. Royce

2007-10-3  Also, fused quartz is particularly transmissive in the ultraviolet range; another specific requirement not directly related to common astronomical use. ... All amateur telescope makers simply had to make a mirror out of Pyrex. Ordinary plate Limestone was now considered to be substandard and inferior. Corning obligingly began turning out small to ...

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