diy grinding high quality telescope lens

diy grinding high quality telescope lens

Mirror grinding - Telescope makingtelescope making, mirror grinding, homemade tripod, eyepieces, astronomy. . In some countries telescope mirrors are unavailable, so they need to be imported, at high shipping, customs, and tax cost. A 6" (150 mm ) or 8" (200 . Or, you want to make a super precise, highest quality mirror in the 150-200 mm size. The only.Tell me about grinding your own telescope lenses - Straight Dope .Dec 5, 2007 . I'm editing a column in which the author refers to the nearly vanished hobby of building your own telescope, including grinding your own lenses. I'm not . The fact is that, with reasonable care, an amateur can grind a pretty good spherical mirror, since all that's required is patience and time. Random motions.

diy - Is it possible for a hobbyist to create a lens element .Rustle up specific software recommendations on the amateur telescope making lists, I know I've seen them there. . I can't find the link now, but I saw an argument once that grinding (and, by extension, polishing) a good lens is easier than grinding a mirror, since the curves for a given f ratio are steeper with.Can You Do It? Make your own telescope mirror, that is?But if you enjoy building things yourself, there is nothing like the personal satisfaction you get when you finally get a good mirror, accurate across the entire surface to within a couple millionths of an . Even a mirror that produces an error at the wavefront of, say, 1/2 wave will produce a decent image at low to medium power.

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Mirror grinding - Telescope making

telescope making, mirror grinding, homemade tripod, eyepieces, astronomy. . In some countries telescope mirrors are unavailable, so they need to be imported, at high shipping, customs, and tax cost. A 6" (150 mm ) or 8" (200 . Or, you want to make a super precise, highest quality mirror in the 150-200 mm size. The only.

Dick Parker's Telescope Mirror Workshop: Refractor Telescope Project

That was a good refractor lens that could be built by a moderately experienced person under the guidance of the workshop environment. The result . The radius of each curve on each lens element should be correct within 1/20% of the design value for best results. . The process is exactly like grinding a mirror at this stage.

Can You Do It? Make your own telescope mirror, that is?

But if you enjoy building things yourself, there is nothing like the personal satisfaction you get when you finally get a good mirror, accurate across the entire surface to within a couple millionths of an . Even a mirror that produces an error at the wavefront of, say, 1/2 wave will produce a decent image at low to medium power.

NASA NuSTAR Telescope Lens - How to Make Telescope Lenses to .

May 4, 2010 . So how can NASA deliver the same high-quality galactic images and information for less? . telescope's two optics, something not economically feasible with the conventional approach to building telescopes, which calls for an expensive grinding, polishing and mounting process, Hailey says. nustar lens.

Stellafane ATM:Mirror Making Myths

Most professional and some amateurs do use machines, but these are simple, rotating spindles to supply the energy for grinding from a motor and not your muscles. You may notice that many commercial telescope advertisements proclaim they use "Hand Figured Optics" - in fact this is one of the best and least expensive.

A history of polishing machines - Astrosurf

Indeed, between 1513 and 1517, he imagined machines to grind and polish telescope mirrors, which, at the time, were made of bronze. . This fact didn't prevent him from producing high quality mirrors though. . Polishing operations of one of the mirrors of the Large Binocular Telescope (picture by SOML Mirror Lab).

Telescope Kit

What does this project entail? You will grind and polish three lenses—the materials are provided in the kit—see pictures to the right. You will then purchase cardboard tubes, wood, nuts and bolts to assemble the telescope and construct the tripod. What tools will I need? The major tools are a variable-speed hand drill (best if.

Telescope Making Supplies - Willmann-Bell

We provide a complete line of amateur telescope making (ATM) supplies including, Mirror kits, Pyrex, abrasives, pitch and polishing compounds. . Today, modern technology is capable of producing consistently high quality aluminum oxide which has practically replaced the natural forms for precision optical work.

20 best Telescope Makers images on Pinterest | Telescope .

Explore Gene Cross's board "Telescope Makers" on Pinterest. | See more ideas about Telescope, Astronomy and Diy telescope.

Lens & Mirror Making • Best lenses and mirrors are both made by .

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. • Typical mirror want pyrex (eg BK7). • Then need a tool blank – poorer glass & softer glass. • Place mirror on top tool. • Now add grinding compound (grit).

diy grinding high quality telescope lens,How the enormous mirrors on the world's largest telescope are made

Sep 3, 2014 . The Giant Magellan Telescope is easily the most ambitious terrestrial astronomy program humanity's ever devised. It has—quite literally—been built from the ground up by leveraging a brilliant, unique off-axis design and bleeding-edge fabrication techniques. And nowhere is that more apparent than in the.

diy grinding high quality telescope lens,Telescope-Making Books: The Good, the Bad, and the Unnecessary .

May 7, 2011 . Second, I also assume that you'll want to know how to make a mirror, even if you might still choose to purchase one instead. Build Your Own Telescope by Richard Berry. If you're looking for the best book to take you all the way from grinding your own mirror to building your first telescope, look no further.

Making a Refractor - Astronomical Society of South Australia

Making a Refractor. All books on telescope making start with a comparison of the various advantages and disadvantages of different types of telescopes and then come to the conclusion that a Newtonian is the obvious way to start your telescope making activities. This is undeniably true but in the comparison the difficulties.

How to make a simple telescope - Quora

"How do I make telescope using 2 lenses? . Considering homemade use, 2" (5 cm) or 2.5" (6.4 cm) diameter lens are generally available, but focal length of less than 10 cm is difficult to get in 2.5" diameter, .. At this stage, the mirror can be "figured": precisely brought to the exact shape needed to act as a good telescope.

Find a Telescope Workshop to Watch the Skies DIY Style | Make:

Jul 27, 2017 . Held every Friday night at Oakland, California's Chabot Space and Science Center, the Telescope Makers' Workshop is an informal gathering where you can learn how to grind and polish a high-quality Newtonian telescope mirror and, hopefully, turn it into your own masterpiece of optics, woodcraft, and.

Mike Lockwood Telescope Making Mirror Making

Telescope Making. *TELESCOPES PAGE* · How I got started in ATM. Optical Equipment. Pitch tester, Strain testing setup, Mirror test stands, Spherometers, Slitless Foucault testers, Interference test setup, Small grinding machine, Large grinding machine. Optical Articles, Tables, etc. Figuring with a full-size lap

The Galileo Project | Science | Telescope

Glass of reasonable quality had become relatively cheap and in the major glass-making centers of Venice and Florence techniques for grinding and polishing glass had reached a . There is no good answer to this question, except perhaps that lenses and mirrors of the appropriate strengths were not available until later.

Telescope Makers Workshop | Chabot Space & Science Center .

"Surely the making and putting into use of a powerful astronomical telescope goes far toward properly orienting one's self in the great scheme of things.” . By placing the mirror blank on top of the tool with a slurry of water and grinding compound between them, then pushing the mirror blank across the tool until it overhangs.

Ask Ethan: Why Don't We Build A Telescope Without Mirrors Or .

Sep 30, 2017 . Over time, lenses and mirrors have gotten bigger in diameter and have been crafted to higher precision, while detectors have advanced to the point where they can collect and make good use of every single incoming photon. The quality of detectors might make you wonder why we bother with mirrors at all!

Who Invented the Telescope? - Space

Dec 20, 2017 . It was probably inevitable that as glassmaking and lens-grinding techniques improved in the late 1500s, someone would hold up two lenses and discovered .. The telescope is best known for discovering the small worlds Quaoar, Sedna and Eris in the Kuiper Belt, but its work also includes discovering.

GALEX - Patrick Morrissey Bio

It had a great little observatory in a rural area with a meeting house and old refractors. . At the time that Patrick was 13, however, lens grinding was done by only a handful of people, a few of them Skyscraper members. Of those . So, armed with the classic book How To Make a Telescope by Jean Texereau, Patrick began.

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