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Telescope Making - Wikibooks, open books for an open world

This is a photo of a 12.5 inch diameter, 1.5 inch thick, telescope mirror blank that has been lightened by casting the mirror in a mold that made lots of hexagon-shaped pockets in the back of the mirror.

12 inch f4.9 Telescope Mirror Part 1 - YouTube

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.

Joy of Mirror Making: Rough Grinding - BBAstroDesigns

Amateur Telescope Making Table of Contents General Information. Selecting a Telescope Provides basic information about telescope for beginners, and briefly discusses important factors that should be considered in Selecting a First Telescope.

optics - A telescope with a bunch of small mirrors ...

Here at the Mirror Lab, we finished making the first Giant Magellan Telescope segment in 2012. After a pause for work on two other mirrors, the lab is in the process of grinding Segments 2 and 3.

How I make Telescope Mirror Blanks - mdpub.com

The focal length of the mirror will determine, to some extent, the length of the telescope tube, and for quick consideration you can assume the focal length of the mirror and the telescope tube are the same.

The Perfect Telescope - DaveTrott.com

How I make Telescope Mirror Blanks. How I make Telescope Mirror Blanks Fusing thin disks to make thick slabs. This is a full-thickness, 8 inch diameter telescope mirror blank that I made myself. This web page will show how I did it. Why make my own mirror blank? Why not? I build telescopes. I have built a lot of telescopes over the last 20+ years.

Telescope Making Supplies - willbell.com

I made my first mirror when I was 14, a 6" f/9 (it was supposed to be an f/8, but I had trouble getting the curve deep enough), by myself using Thompson's Making Your Own Telescope. It probably came out no better than 1/2 wave - I don't know - I really didn't know how to test well yet.

Making An Inexpensive Telescope | RASC

Jun 04, 2012· The first photo below shows a 12.5 inch diameter, 1.5 inch thick, telescope mirror blank, made from recycled glass, that has been lightened by casting the mirror in a mold that made lots of hexagon-shaped pockets in the back of the mirror.

How to Make Your Own Telescope Mirror - instructables.com

But with larger telescopes you have to make the mirror a more parabolic shape and when you get up to 25 meters there's a big difference between that parabolic shape and a spherical shape.

Amateur telescope making - Wikipedia

Dec 10, 2007· Aluminum mirrors have been around since the early days of telescope making and there is much information to show that they are inferior. There is an article about them in ATM-2 from 1930' I believe. The issues they had back then are still the issues one is going to have now.

Metal (Aluminium) primary mirror making? - ATM, Optics and ...

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.

Mirrors for world's largest telescope manufactured in Arizona

Each optical surface is tested up to 29 times as it passes through its many processes of being turned from a blank piece of glass to a highly accurate figured mirror or lens. Below is our selection of Telescope Mirrors available to purchase and a brief description of each grade's qualities.

Waite Research :: 15" F4.5 Telescope Mirror

How to Make Your Own Telescope Mirror: [Fig 1] 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. Cutting it into smaller sections can be difficult but scoring it with a glass cutter and tapping t...

Finalizing the telescope - scope making

The first telescopes were refracting telescopes which use lenses. But there's a common problem with refractors: chromatic aberration. A prism creates a spectrum by refracting (slowing and bending) light - just as a lens does to focus light.

How to Build an 80-Foot-Wide Telescope Mirror to See Deep ...

Jan 24, 2008· This video shows how to make a tool used to fabricate precision optical surfaces from dental Stone.

Want To Make A Giant Telescope Mirror? Here's How : NPR

A telescope is a device used to form images of distant objects. The most familiar kind of telescope is an optical telescope, which uses a series of lenses or a curved mirror to focus visible light.

Casting a Large, Light-Weight Telescope Mirror From ...

The telescope you describe would work in some sense, but it depends strongly on how you define what it means for a telescope to work. Combining many mirrors to behave as a single large mirror is possible, but those individual mirror segments must still be appropriately curved to …

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

This company also sells what they call Telescope Component Kits – that is, a package including the primary and secondary mirrors, spider, focuser, eyepiece, finder scope, and some trim, in a variety of mirror …

Joy of Mirror Making: Polishing - BBAstroDesigns

Watch video· University of Arizona is making gigantic mirrors for world's largest telescope. Here's how. University of Arizona has world's only lab capable of making 27-foot mirrors …

Who decided to make telescopes with mirrors? - Quora

A telescope is like a musical instrument. If badly tuned, it cant play nice music. If the optical axis of the mirrors are not adjusted, the image contrast and detail will suffer tremendously.

Could you make a telescope with a make-up mirror? - ATM ...

Making A Mirror Grinding Tool By Allen Malsburry The average person would never think, "I can make my own telescope." Most amateur astronomers believe, "I can buy a better

Build your own telescope part 1: The mirror – Thomas ...

Step 1:€Designing the Mirror Blank I played around with some layout ideas in ...

How I Make Light-Weight Hexagon or Honeycomb Telescope ...

Nov 01, 2016· OK, so if I am ever on a 3 hour tour and get stranded on an uncharted island, I can grab Mrs. Howell's makeup mirror and her compact mirror and make a telescope. Use some sticks to make the primary mirror box and sticks for trusses for the secondary.

Building a Homemade Telescope - Learn to Make ...

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.