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How to build a 12.5 inch closed tube Dobsonian tel pe. I began building it in the spring of 2008, but the bulk of the work was done in July of 2008 with first...
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Grinding, Polishing and Figuring . Thin Tel pe Mirrors . Abridged from an article appearing in Tel pe Making #12 Provided: Courtesy of Astronomy Magazine
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Grinding, Polishing and Figuring Thin Tel pe Mirrors . ... Don't let your fingers touch the bevel of your glass while rotating the mirror during grinding and ...
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Rough grinding a tel pe mirror. The Oltion Relationship Jerry Oltion points out that if the sagitta is 1/16 of the unit of measure, the focal ratio is the mirror diameter.
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We offer a recoating service for existing mirrors. An insight into mirror recoating, a price guide and a Recoating request form
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How I make thick tel pe mirror blanks by fusing thinner glass sheets together
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Grinding and Testing a Tel pe Mirror RASC St John's Centre. You need special machinery to grind a mirror Indeed you do, if you are going to use machinery at all The machinery must be made to mimic the human action Humans make the best mirrors precisely because their movements are imprecise.
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This page describes the optical principles necessary to understand the design and function of tel pes and astronomical eyepieces. Subsequent pages discuss the tel pe & eyepiece combined, eyepiece optical aberrations, eyepiece designs and evaluating eyepieces.Included at the end of each page is a list of Further Reading that
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NCA Tel pe Making and Mirror Grinding Classes 6:30 9:30pm every Friday night except for Federal holidays and major snowstorms Chevy Chase Community Center
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The GMT mirrors are made at The Richard F. Caris Mirror Lab in Tucson, AZ.. Mirror fabrication occurs in 3 stages: Cast the mirror blank by melting glass in a rotating mold; Perform rough grinding of the front and back surfaces;
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Tel pe Mirrors, Blanks, Secondaries, Grinding Materials, Testers, Aluminising, Making Advice Information.
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Nov 29, 2009· Turning a spherical mirror into a parabolic mirror posted in ATM, Optics and DIY Forum: I have seen people mention that when they grind mirrors, they first grind and polish it off into a spherical mirror and then do the last polishing to form the parabolic shape. Can this be done in this way? Why not just form a parabola in the first
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This is a large piece of glass a woman off Craigslist gave me. It was 40"x40" and 0.75" thick. Its what I decided to use to make the mirror....
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The Hubble Space Tel pe as seen from the departing Space Shuttle Atlantis, flying Servicing Mission 4 (), the fifth and final Hubble mission
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Wooden Tel pe Part 1: the Mirror ...
Making your own tel pe mirror by hand grinding/polishing is an interesting activity--I did it as a 12 year old at the ...
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These books are a rearrangement of the original three-volume Amateur Tel pe Making classics. Insofar as possible similar items are now grouped together; each as a Chapter within a descriptive Part.
Inquire NowStar test rigs... Normally one simply tests a tel pe under the stars with a high power eyepiece on a night of decent seeing. The star test can also be used to parabolize or figure a mirror.
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Purchase tel pe mirror blanks here. We provide 6 inch, 8 inch, 10 inch, and 12 inch tel pe mirror blanks in standard 3/4" thickness, and larger mirror blanks up to 20 inches in 1" thickness.
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Find Tel pe Mirror Grinding Machine related suppliers, manufacturers, products and specifications on GlobalSpec a trusted source of Tel pe Mirror Grinding Machine
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Build a tel pe the Dobson way. You will learn about John Dobson and his reflector tel pe, as well as how these tel pes work. Youâll learn the step-by-step method for grinding and polishing the mirror, building the mount, and assembling a complete tel pe.
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This page describes the optical principles necessary to understand the design and function of tel pes and astronomical eyepieces. Subsequent pages discuss the tel pe & eyepiece combined, eyepiece optical aberrations, eyepiece designs and evaluating eyepieces.Included at the end of each page is a list of Further Reading that
Inquire Now
How to build a 12.5 inch closed tube Dobsonian tel pe. I began building it in the spring of 2008, but the bulk of the work was done in July of 2008 with first...
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We offer a recoating service for existing mirrors. An insight into mirror recoating, a price guide and a Recoating request form
Inquire Now
The GMT mirrors are made at The Richard F. Caris Mirror Lab in Tucson, AZ.. Mirror fabrication occurs in 3 stages: Cast the mirror blank by melting glass in a rotating mold; Perform rough grinding of the front and back surfaces;
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Mike Lockwood's Home Page for Tel pe Making and Mirror Making
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These books are a rearrangement of the original three-volume Amateur Tel pe Making classics. Insofar as possible similar items are now grouped together; each as a Chapter within a descriptive Part.
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Tel peMirrorKits.Com providing complete tel pe mirror making kits and mirror grinding supplies for tel pe makers
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How I make thick tel pe mirror blanks by fusing thinner glass sheets together
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Tel pe tel pe parts construction and building making amateur dobsonian kits ATM Accessories parts tel pes spares equipment sales astronomy information, tips.
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Rough grinding a tel pe mirror. The Oltion Relationship Jerry Oltion points out that if the sagitta is 1/16 of the unit of measure, the focal ratio is the mirror diameter.
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WAYS TO MAKE YOUR OWN TEL PE 1)Build Your Own Tel pe Kit This is designed for individuals who wish to construct an 8" Reflecting Tel pe including grinding and polishing the main mirror.
Inquire NowPasadena, Calif. November 3, 2017 The Giant Magellan Tel pe Organization (GMTO) today announced that it has initiated the casting of the fifth of seven mirrors that will form the heart of the Giant Magellan Tel pe (GMT). The mirror is being cast at the University of Arizonas Richard ...
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I have been involved in amateur tel pe making (ATM) for over 20 years. In that time I have built many different tel pes and other instruments. This web page chronicles just a
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I have been involved in amateur tel pe making (ATM) for over 20 years. In that time I have built many different tel pes and other instruments. This web page chronicles just a
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Jumping into Mirror Making Michael Mills. I have been preparing to grind my own primary mirror for a long time. I've collected many fine books on tel pe making and mirror grinding, including Richard Berry's Build Your Own Tel pe, Sam Brown's All About Tel pes, and Jean Texereau's How to Make a Tel pe.
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Several men laid claim to inventing the tel pe, but the credit usually goes to Hans Lippershey, a Dutch lensmaker, in 1608. Galileo Galilei improved on Lippershey's design and was the first to point a tel pe toward the sky.
Inquire NowTel pe tel pe parts construction and building making amateur dobsonian kits ATM Accessories parts tel pes spares equipment sales astronomy information, tips.
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Apr 08, 2024· I did not know John Dobson, nor do I know someone who knew him, but I feel like I did from all the testimonials I have read. At the least, my tel pe build is an extremely distant branch of his legacy.
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tel pe mirror grinding machine based on Dennis Rech's M-o-M 20
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This is a large piece of glass a woman off Craigslist gave me. It was 40"x40" and 0.75" thick. Its what I decided to use to make the mirror....
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Tel peMirrorBlanks.Com provides tel pe mirror blanks and thin plate glass mirror blanks for tel pe makers and ATM's
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Nov 29, 2009· Turning a spherical mirror into a parabolic mirror posted in ATM, Optics and DIY Forum: I have seen people mention that when they grind mirrors, they first grind and polish it off into a spherical mirror and then do the last polishing to form the parabolic shape. Can this be done in this way? Why not just form a parabola in the first
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Amateur tel pe making is the activity of building tel pes as a hobby, ... Grinding a mirror using an abrasive and a smaller tool over 300 mm mirror ...
Advanced Glass Industries offers tel pe mirror blanks from Supremax 33 and Pyrex
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Everyone talks about grinding mirrors, ... was a great resource in 1996 for people who wanted to add a CCD to their tel pe. Is "Wikibooks: Tel pe Making" the ...
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Home--> Mirror making. Tel pe Mirror Making ... Making your own tel pe is a rewarding ... if you scratch the mirror and have to go back to grinding, ...
Inquire NowStar test rigs... Normally one simply tests a tel pe under the stars with a high power eyepiece on a night of decent seeing. The star test can also be used to parabolize or figure a mirror.
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A tel pe mirror can be made from glass that is somewhat ... tel pe is the accuracy of the lenses and mirrors. During the cutting and grinding ...
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The Newtonian tel pe was the first successful reflecting tel pe, completed by Isaac Newton in 1668. It usually has a paraboloid primary mirror but at focal ratios of f/8 or longer a spherical primary mirror can be sufficient for high visual resolution.
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Several men laid claim to inventing the tel pe, but the credit usually goes to Hans Lippershey, a Dutch lensmaker, in 1608. Galileo Galilei improved on Lippershey's design and was the first to point a tel pe toward the sky.
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