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RCOS ION Milling RC Optical Systems

The Keck telescope mirror segments Ion Milling is the most important A Ritchey Chrétien 16 inch primary mirror already figured and polished to 1 6

Telescope Ritchey s 60 inch Reflector AmazingSpace

Ritchey s 60 inch Reflector both creating mirrors and adapting existing telescopes for photography Ritchey built a machine to grind and polish the glass

Astronomy Options Astronomy Mirror Making Telescopes

Astronomy Options Astronomy Mirror 1″ thick plate glass f3 88 Newtonian telescope mirror Doing this with my new fixed post grinding machine built this

Replicating Ritchey Mirror grinding machine ATM Optics

 · Replicating Ritchey Mirror grinding machine posted in ATM Optics and DIY Forum Ive just returned from a few days with friends in Washington DC Being aviators and aircraft builders we blew a whole day at the new Air Space Museums new annex at Dulles airport What really caught my attention however was that they moved the Ritchey mirror making machine from the old Paul

10Inch Ritchey Chretien Cassegrain ATM Project

10 Ritchey Chretien Cassegrain ATM Project I had made Newtonian telescope mirrors before ann two was established between the mirror and all the grinding

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Find best value and selection for your Telescope Mirror Grinding Tool search on eBay World s leading marketplace Mirror Grinding Machine Wholesale Various High Quality Mirror Grinding Machine Products from Global Mirror Grinding Machine Suppliers and Mirror Grinding Machine Factory Importer Exporter at Alibaba com

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M2 for 24 quot Ritchey Chrétien telescope produced by Dream Telescopes finished to diamond based tooling and computer grinding amp polishing machines

Joy of Mirror Making Introduction BBAstroDesigns

The Joy of Mirror Making with fire heat melting leads us today to grinding telescope mirrors from Osterbrock s Ritchey Hale and Big American Telescopes

Telescope Making Supplies willbell com

We provide a complete line of amateur telescope making ATM supplies including Mirror kits Pyrex abrasives pitch and polishing compounds

24 F 6 thin telescope mirror grinding 3 4 plate ATM

 · Page 1 of 2 24 F 6 thin telescope mirror grinding 3 4 plate Rob also a lot of mirror o matic grinding machines use the so called half stroke

Mirror Grinding Machine Plan Crusher Mills Cone Crusher

Mirror Grinding Machine Plan Ritchey Mirror Grinding Machine Motor telescope mirror grinding machine based on Dennis Rech s M o M 20

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Telescope Making Supplies vcsm Vacuum Coatings mirror grinding buy Vacuum Coatings Scientific Mirrors For orders please telephone us on 020 email protected Telescope Making Supplies HOME PAGE Telescope Ritchey s inch Reflector Amazing Space First Ritchey built a machine to grind and polish the glass mirror

Document sans nom Astrosurf Astronomie

he imagined machines to grind and polish telescope mirrors One of William Herschel s polishing machines George Willis Ritchey s polishing machine

Newport Glass Works LTD Grinding Polishing and Figuring

Grinding Polishing and Figuring Thin Telescope Mirrors Abridged from an article appearing in Telescope Making 12 Provided Courtesy of Astronomy Magazine

Manufacture of Mirrors Astrofox Astronomical

Manufacture of Mirrors for telescopes The polishing machine removes very small amounts of glass and transforms the opaque surface into a clear translucent

Waite Research Mirrors For Telescopes Facebook

Our newest grinding and polishing machine features interchangeable turntables and a variable speed See more of Waite Research Mirrors For Telescopes on Facebook

Diy mirror grinding aspherical telescopes reddit

I understand that people have been able to grind a mirror that s spherical with a very simple grinding disk set on an arm that just moves in a

Cassegrain Telescopes for Amateurs

Cassegrain Telescopes for Amateurs By Jeffrey D Beish Revised 26 September 2014 mirror too large for the application of the instrument The size of the secondary someone to employ standard machine shop devices to make these stops such as a metal cutting lathe While not everyone has such machines available at

Stellafane ATM Main Page

Amateur Telescope Making Main Page Russell Porter Much is also unchanged mirror grinding techniques are very similar to those written up by Porter and Ingalls in the 20 s and 30 s Many amateur astronomers still choose to fabricate their own instruments for the pride of accomplishment the gaining of knowledge and the insurance of

Stellafane Links Page

Rough Grinding in the great outdoors at the Stellafane Mirror Class October 2002 Stellafane Mirror Class Telescope Making Workshops and Seminars

Telescope Mirror Grinding Machine Products Suppliers

Products Services for Telescope Mirror Grinding Machine Grinders and Grinding Machines 991 companies Grinders and grinding machines use an abrasive that is bonded to a wheel belt or disc to remove material and improve surface finish

Astronomics Astro Tech 10 f 8 Ritchey Chrétien optical tube

One is the AT8RC also a Sky Telescope Hot Product for 2010 – the first 8 true Ritchey Chrétien astrograph available from a U S company and the first and still the only affordable U S 8 R C with Astro Tech designed premium features like quartz mirrors dielectric mirror coatings two dovetail mounting rails and more

Telescope Ritchey 39 s 60 inch Reflector

George W Ritchey made his first reflecting telescope when he was a student in college First Ritchey built a machine to grind and polish the glass mirror

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Grinding Machine for Large Telescope Mirrors Grinding Machine for Large Telescope Mirrors I designed and built a grinding machine for mirrors up to 42 inches 1 1m in diameter By slipping on and off a couple of belts the machine can quickly be reconfigured for spinning work or for stroking work

Joy of Mirror Making Polishing BBAstroDesigns

Here is a 25 inch mirror on top of the fine grinding tool with pads applied And here is the result after 5 hrs of machine polishing starting from a 20 micron aluminum oxide grind Note that the

A Telescope Making Tradition in Russia by

ATM russian amateur telescope making tradition school astronomical club The better equipped groups had machine tools for fabricating mirrors and accessories Wright cameras Dall Kirkham and Ritchey Chretien Cassegrains and even

Mirror Grinding Making gigsgh org

Mirror Grinding Machine G W Ritchey National Air and George Willis Ritchey built this mirror grinding machine at to making large telescope mirrors whereby the grinding tool is drawn across the mirror blank Chat Online

Mount Wilson Observatory Building the 60 inch

In Carnegie 39 s optical lab in Pasadena an unknown optician poses beside the 60 inch mirror which has been tilted upright for testing Ritchey 39 s grinding machine

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telescope mirror grinding machine price in india Numatic Vacuum Cleaners Price in India Review Complaints Numatic vacuum homemade mirror grinding machine Chat Online ritchey telescope mirror grinding machine thpl co in

Catadioptric Ritchey Chretien Truss Telescope Pinterest

Catadioptric Ritchey Chretien Truss Telescope Catadioptric Ritchey Chretien Truss Telescope Pinterest Explore Diving Watch Telescope and more Telescope NASA Diving Watch Telescope Binoculars Sundial Drones Nasa Solar Mirror Astronomy Catadioptric Ritchey Chretien Truss Telescope Find this Pin and more on Look What s In the Seventh House by jasoncmiller See more Diy Telescope

Dick Parker s Telescope Mirror Workshop Cassegrain

The Ritchey – Chretien on the other hand has two hyperbolic mirrors so chosen that both spherical aberration and coma are corrected In a classical Cassegrain the coma is the same as a Newtonian having the same focal ratio as the system focal ratio of the Cassegrain

Replicating Ritchey Mirror grinding machine ATM Optics

 · Replicating Ritchey Mirror grinding machine posted in ATM Optics and DIY Forum Ive just returned from a few days with friends in Washington DC Being aviators and aircraft builders we blew a whole day at the new Air Space Museums new annex at Dulles airport What really caught my attention however was that they moved the Ritchey mirror making machine from the old

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Making a tachometer for a grinding polishing telescope mirror grinding machines Ritchey Mirror Grinding Machine National Air and Space

Fixed post mirror grinder advice DIY Astronomer

 · Fixed post mirror grinder advice I hope this grinding machine goes better than tonight s is there another use for parabolic mirrors besides telescopes Just

Engineered Lightweight Mirror Blanks

247mm CA f2 27 engineered lightweight mirror that was fully processed inside Dream The view is through the bubble free optical face Ritchey Chretien telescope Radius off by only 15 microns desired 629 4mm diamond based tooling and computer grinding polishing machines Dream is currently working on setting up vertical

Carl Zambuto is polishing a telescope mirror in

Carl Zambuto is polishing a telescope mirror in his optical shop This video shows how to setup a mirror grinding machine for fixed post grinding also known as spin grinding or spinning Catadioptric Ritchey Chretien Truss Telescope

Joy of Mirror Making Introduction BBAstroDesigns

Stone tools go back 3 3 million years Pounding scraping knapping grinding combined with fire heat melting leads us today to grinding telescope mirrors from glass Making a telescope mirror is one of the most satisfying and sublime joys you will experience It s also arguably the most accurate surface made by man or machine

Telescope Mirror Grinding Tool eBay

Find best value and selection for your Telescope Mirror Grinding Tool search on eBay World s leading marketplace

Mike Lockwood Telescope Making Mirror Making

Mike Lockwood s Home Page for Telescope Making and Mirror Making Small grinding machine and contain information about telescopes and projects I have been

Telescope Mirror Making Machine YouTube

 · A sample and quite simple video of Vitastra s mirror making machine This is a full custom design first inspired on the polishing machines designed by

Telescope Mirror Grinding Machines Crusher Mills Cone

Mirror Making Machine – Welcome to the Fansler s Bugger this for a Lark – A machine has got to be easier I made my first telescope mirror by hand in could not afford the material to build a mirror grinding machine

Document sans nom Astrosurf Astronomie

Ritchey added a side control 1 of the sliding arm thus enabling an off axis position of the arm and of the strokes see B drawing Figure B off axis positioning on a Draper machine A second crank or reciprocating system was added in place of the fixed sliding

Waite Research Mirrors For Telescopes Science

Making Premium Telescope Mirrors and Innovative Telescopes for Astronomers Grinding Polishing and Testing State of the art Optics for Telescopes youtube com Waite Research Mirrors For Telescopes

How I built an edge grinder for telescope mirror blanks

How I built an edge grinder for telescope mirror blanks I borrowed a few ideas from the Mirror O Matic mirror grinding machine Mike s telescope workshop

Telescope Mirror Making Frontier Homepage Powered by Yahoo

Home Telescopes Mirror Making Home Mirror making Telescope Mirror Making for all stages of making a mirror hogging out rough and fine grinding

Mirror Grinding Machine Plan Crusher Mills Cone Crusher

DATSCOPE – 30 inch TROK grinding machine Telescope mirror grinding machine The images below show the completed grinding machine in it s new garage

Mirror Grinding Machine

telescope mirror grinding machine based on Dennis Rech s M o M 20

M o M Free Preview Mirror o matic com

Mirror o Matic was designed to be a very low cost astronomical mirror grinding polishing and figuring machine Its attributes are 1 It can be built for somewhere between 200 and 400

Astronomics Astro Tech 6 f 9 Ritchey Chrétien astrograph

This Astro Tech AT6RC Ritchey Chrétien astrograph has 6 f 9 true Ritchey Chrétien hyperbolic mirror optical design diffraction limited or better BK 7 mirrors

Mirror grinding scope making

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RCOS ION Milling RC Optical Systems

A Ritchey Chrétien 16 inch primary mirror already figured and polished to 1 6 wave P V is mapped by a special camera The optics are then inserted into a high vacuum chamber facing down The IBF then directs a beam of argon ions upward to the glass The glass is removed on a molecular level The beam itself is translated across the optical

Astro Tel Mirror grinding machine Ray Hall Turbocharging

Astro Tel Mirror Making and other Activities by Laurie Hall

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grinding mirror edge schilderinuwregio nl My Mirror Grinding Machine For a long time I ve wanted to build a machine for grinding telescope mirrors The groove in the turntable near the edge is a

Mirror Grinding Machine

My Mirror Grinding Machine For a long time I ve wanted to build a machine for grinding telescope mirrors Dennis Rech s M o M designs finally inspired me to just get up and do it Over the years I d been collecting motors gear boxes pulleys etc

Reflecting telescope Wikipedia

The Ritchey–Chrétien telescope invented by George Willis Ritchey and Henri Chrétien in the early 1910s is a specialized Cassegrain reflector which has two hyperbolic mirrors instead of a

Stellafane Links Page

October 2002 Stellafane Mirror Class Telescope Making Grinding Machines A Mirror O Matic Machine Ritchey Common Testing

The 60 inch Telescope Caltech Astronomy

The 60 inch is a reflecting telescope built with Ritchey–Chrétien optics that is both primary and secondary mirrors have hyperbolic reflecting surfaces This configuration provides a wide field of view and relatively good image definition within a compact design the telescope tube is

Amateur Telescope Making edited by Albert G Ingalls

These books are a rearrangement of the original three volume Amateur Telescope Making classics Insofar as possible similar items are now grouped together each as a Chapter within a descriptive Part

Making my own fixed post mirror grinding polishing machine

 · CNers have asked about a donation box for Cloudy Nights over the years so here you go Donation is not required by any means so please enjoy your stay Making my own fixed post mirror grinding polishing machine Started by Joepie Feb 14 2015 02 46 PM mirror making DIY Telescope Specific Forums → Meade Computerized Telescopes

Document sans nom Astrosurf Astronomie

Ritchey added a side control 1 that holds the disk by its side This device makes it possible to place the mirror on top which is impossible with the Draper machine optician Tom Waineo in the November 1995 issue of Sky and Telescope The major drawback of this machine is the limited variety of its movements due to the single

How I built an edge grinder for telescope mirror blanks

I have been casting my own telescope mirror blanks for a few years now How I do it is explained I borrowed a few ideas from the Mirror O Matic mirror grinding machine particularly how to mount the turntable on top of the pulley Anyone building machinery for cold working glass should have a look at the MOM web site and plans There are lots of good ideas there The large wood circle will

Mirror grinding Telescope making

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Lens Mirror Making Best lenses and mirrors are both made

Lens Mirror Making Best lenses and mirrors are both made by grinding the surface Start with a mirror or lens blank For mirrors only surface needs to be good

Stellafane ATM Materials Tools

Materials Tools Introduction Topics on this page Mirror Blanks Grinding Polishing Tools Grits Pitch Storage Containers This is the focus of all your work you will turn this flat piece of glass into an accurate parabolic telescope mirror We recommend a full thickness Pyrex blank for mirrors

TELESCOPE MAKING deep sky

The Ritchey Chretien The design is based on that of Rutten and van Venrooj see Telescope Optics Even with a grinding machine this is laborious to say the

SkyBadger Mirror Grinding Machine

The mirror machine came to me as a result of astronomical horse trading swapping a large GEM mount and a 8 Newtonian OTA for the machine as it was and a start kit consisting of two 6 blanks and the grit rouge and pitch to manufacture a mirror The grinding machine had been built to the design of the mirror o matic design of Dennis Rech

Teleskop Express TS Optics 6 quot

The TS RC astrographa are true Ritchey Chrétien telescopes Maksutovs and Schmidt Cassegrains have spherical mirrors and need correctors for making a

Telescope Mirror Grinding Machines Crusher Mills Cone

CNC telescope mirror grinder – CNCzone com The Largest It has a 12 inch diameter mirror While the telescope looks expensive because of its size few by hand not to say I know anything about machine grinding

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Mirror Grinding Diamond Curve Generating Machine YouTube http hubach deviantart com This is my father s garage where he is currently working on his telescope

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Collection Item Summary George Willis Ritchey built this mirror grinding machine at the Yerkes Observatory in Williams Bay Wisconsin in the late 1890s Read More Mirror Grinding Machine 187 Leonardo Da Vinci s Inventions The mirror or lens grinding machine is a

Waite Research Mirrors For Telescopes Science

There s a lot of glass to remove on this deep mirror 12 5 F 1 7 cassegrain I start with number 80 abrasive on my fixed post grinding machine

Rough Grinding a 20 Quartz Telescope Mirror on the Fixed

Find this Pin and more on Astronomy Telescope by makethingsman An edge grinding machine for telescope mirror blanks Ritchey Chretien Truss Telescope

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kangda grinding yancheng emwindia in telescope mirror grinding machine price in india Buy mirror blanks for telescope making Purchase telescope mirror blanks here and grinding tool included website for

10Inch Ritchey Chretien Cassegrain ATM Project

10 Ritchey Chretien Cassegrain ATM Project Jump ahead to The mirrors The mechanical components Rebuilding the mirror support I had made Newtonian telescope mirrors before ann two classical Cassegrains of 8inch and 17 5inch aperture Grinding started with 220 grit and in less than 1 hour full contact was established between the mirror

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Ritchey Telescope Mirror Grinding Machine Telescope mirror cleaning demonstration Views 4297 TW and TC of Santa Barbara Astronomical Unit demonstrate how they clean telescope mirrors Read more DATSCOPE 30 inch TROK grinding machine October 2001 The images below show the completed grinding machine in it s new garage in October 2001 The

Astro Tech Ritchey Chrétien optics Astronomics com

Computer designed and fabricated optics To keep the cost of each Astro Tech R C so reasonable when compared to competitive R C scopes the computer optimized Astro Tech hyperboloid mirrors are automatically ground and finished to very high tolerances using custom made computerized mirror grinding machines This precision computer control

Waite Research Mirrors For Telescopes Facebook

Our newest grinding and polishing machine features interchangeable turntables and a variable speed drive The machine can run at 3 or 4 rpm s for hand polishing or up to 60 rpm s for fixed post grinding

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