Telescope Mirror Grinder

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Telescope Mirror Grinder

Giant Magellan Telescope | UA Research

Giant Magellan Telescope mirror cleaning before the grinding and polishing begins The GMT will also employ seven of today’s largest mirror segments, each created by the UA’s Richard F. Caris Mirror Lab and weighing 25,000 pounds, or 12 and a half tons.

Mirror Grinder | Light Weight Telescopes

This is photos on the Mirror Griding Machine I have built. The tool I built is called M-O-M-20. This is a photo of a 20 inch mirror being ground.

Grinding with thin telescope mirror kits: - Grind your own ...

Grinding with thin telescope mirror kits: Thin glass grinding differs slightly from "standard" mirror making practices. Keep these principals in mind when using your thin mirror kit and you'll be fine. Also, be certain to support your thin mirror properly when it's finally IN the telescope! PRESSURE

Telescope Products & Services -

We offer a range of products and services for the ameteur telescope enthusiast such as grinding powders, polishing powders /compounds, telescope aluminising services. We offer a Telescope mirror re coating service for both Primary and Secondary telescope mirrors. We also offer a recoating service for Sextant mirrors. Please contact us for ...

SPAC Mirror Lab

The Saint Petersburg Mirror Lab is a small band of dedicated mirror grinders and telescope makers living in the Tampa Bay area of Florida. We offer a mirror making class for interested persons. We strive to create the best mirrors our home brew technology can muster. This includes robotic foucault testing and laser interferometry.

Lenses - Engineering and Technology History Wiki

After grinding, the lens was polished, sometimes using the same lap that had been used to shape it. That required preparing the lap surface to remove roughness. In some cases, it was done by overlaying the surface of the lap with a specially prepared paper. In other cases, a method still used by amateurs to polish telescope mirrors was used.

Amateur telescope making - Wikipedia

Amateur telescope making is the activity of building telescopes as a hobby, as opposed to being a paid professional.Amateur telescope makers (sometimes called ATMs) build their instruments for personal enjoyment of a technical challenge, as a way to obtain an inexpensive or personally customized telescope, or as a research tool in the field of astronomy.

telescope mirror grinding | eBay

Find great deals on eBay for telescope mirror grinding. Shop with confidence.

Waite Research :: 24" F3.5 Mirror Fabrication

Plus the grinding operation is so noisy that I have to wear earplugs for the coarser grades. After grinding, polishing and figuring, this 24" F3.5 mirror produced a very nice test result. The larger and the faster the mirror, the tougher it is to get a great surface.

Waite Research :: 15" F4.5 Telescope Mirror

The fabrication of this 15" F4.5 primary telescope mirror began with a plano\plano blank. I used my own diamond grinding equipment to generate the rough curve here. After the generation, I poured a steel grinding tool and used #40 silicon carbide abrasive to get the mirror close to the target focal length.

Mirror grinding - Telescope making

There are many reasons for grinding your own mirror. Either you want a unusual size, or focal length, or to satisfy your curiosity, or to have the "pride of achievement" by fabricating something as precise as a telescope mirror.

Diy mirror grinding aspherical : telescopes - reddit

Diy mirror grinding aspherical (self.telescopes) ... Creating a telescope mirror is more than just grinding the appropriate shape into the mirror. The most important part is figuring the mirror to the appropriate prescription, which requires having an appropriate test mechanism (to verify the prescription) as well as a diagnostic mechanism (to ...

Making my own fixed post mirror grinding/polishing machine ...

Oct 15, 2012· Page 1 of 2 - Making my own fixed post mirror grinding/polishing machine - posted in ATM, Optics and DIY Forum: Hey guys. Im thinking of making my own fixed post mirror grinding/polishing and curve generating machine. Ive got loads of questions regarding the design so Ill just start firing away Do I need an eccentric moving tool to be able to polish a mirror spherical?

Joy of Mirror Making: Introduction -

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.

Mirror-o-Matic mirror making machine - ATM pages of ...

Mirror-O-Matic grinding machine. When I decided in 2009 after a ten-year break to get into mirror making again, it quickly became clear to me that I would need to construct machine, as hand grinding big mirrors is not something very beneficial for the hands of a musician.

telescope mirror grinding / polishing machine with ...

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Newport Glass Works, LTD. Grinding, Polishing and Figuring ...

Thin Telescope Mirrors . Abridged from an article appearing in Telescope Making #12 Provided: Courtesy of Astronomy Magazine Article's Author: Bob Kestner . Part I - Grinding . For many years, amateur astronomers and telescope makers thought it essential that glass for telescope primary mirrors be at least one-sixth as thick as its diameter.

Large Homemade Telescope Making Project - Google Sites

(3) A homemade telescope mirror can be made with more accuracy and smoothness than the mass-produced, commercial mirrors available today. Unfortunately, the cost of mirror grinding kits and pyrex blanks has increased significantly in recent years to the point where any savings from making a mirror versus buying one are minimal at best.

Grinding the primary mirror of the Hubble Space Telescope.

This is the mirror after the inner section has been polished (This mirror is actually two mirrors in a single piece of glass - the inside has been polished ,the outside still needs some work.) Mirrors like this get polished down to mere nanometers of variation, then get an aluminum coating on the front.

SkyBadger - Mirror Grinding Machine

The clamps hold the mirror centrally on the grinding platter, Freeing one should allow the mirror to be removed, cleaned and reset with out disturbing the centering. The tool for grinding was made from cutting a disk to the same size as the mirror from 3/4" plywood and using duck tape to create a …

Fixed post mirror grinder advice - Stargazers Lounge

Nov 01, 2011· Hi AllWeve been having some idle discussions about grinding mirrors here. In particular, weve been discussing building a fixed post mirror grinding turntable for cutting mirrors up to about a 24inch diameter to spherical. Its only a pipe dream at the …

Hand Grinding a Telescope Mirror | Make:

May 30, 2014· This is how you make a telescope mirror out of a hunk of glass: Use a sand mixture and another piece of glass to grind away the middle of a concave shape. Repeat with finer and finer grit sand. Dave Barosso demonstrates the technique, but to do it yourself, try to visit one of the Telescope Makers Workshop‘s classes on Friday nights in Oakland.

Telescope Mirror Grinding Machine | Crusher Mills, Cone ...

Mirror-O-Matic : This list is for discussion about the … This list is for discussion about the "Mirror-o-Matic" telescope mirror grinding machine, as developed by Dennis Rech. Likely topics might be about construction and …

Telescope Making Supplies -

Throughout the grinding and final lapping stages, the objective has been to reduce pits and scratches to the smallest possible size. However, no amount of grinding can produce a surface smooth enough or sufficiently transparent to meet the needs of a first-class telescope objective. Different techniques are …

Joy of Mirror Making: Rough Grinding - BBAstroDesigns

Rough grinding a telescope 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.

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.

Stellafane ATM: Materials & Tools

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 up to to 12" in size. Full-thickness means the diameter to thickness ratio is 6:1 (i.e. an 8" full thickness mirror is 1.3" thick).

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.

Grinding a Telescope Mirror: The Non-DIY Project ...

Dec 21, 2020· The primary mirror of a Newtonian reflector is indeed the main component of the telescope. Its aperture determines everything else about the telescope’s dimensions and how “powerful” the final instrument will be. The creation of primary mirrors is a …

Jumping into Mirror Making, by Michael Mills -

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 telescope making and mirror grinding, including Richard Berry's Build Your Own Telescope, Sam Brown's All About Telescopes, and Jean Texereau's How to Make a Telescope.I read through all of these books, ordered a 6" mirror kit from Willmann-Bell, and ...

Stellafane ATM Main Page

US suppliers of Mirror Blanks, Grinding & Polishing Supplies, and Telescope Making Supplies. Astronomy Clubs Many can offer help with your project. Astronomy Conventions & Star Parties A good place to look at various telescopes and chat with their owners. Mirror Making Courses & Workshops

Telescope Mirror Kits -

Want to build your own telescope? Start with one of our telescope mirror kits. Each kit comes with a telescope mirror blank and all the abrasives (silicon carbide grits and white aluminum oxide powders), cerium oxide polish and pitch to grind and polish it to your specifications.


MIRROR STARTER KITS. ... All the mirror blanks and grinding tools have a plano surface (flat surface) unless otherwise noted. ... Consists of one 4-1/4" diameter f/10 plate glass finished spherical telescope mirror (polished and coated) and a 1" (1/4 wave) coated plate glass diagonal.

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