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diy grinding high quality telescope lens Description

telescope mirror grinding machine plans

· Making a homemade mirror grinding machine posted in ATM, Optics and DIY Forum: I want to make a motorized mirror grinder, any good info on this, i have a couple geared motors, low speed high

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Making a reflector telescope CSIC

Making a reflector telescope *A quick word about mirrors. The quality of reflector telescopes depends a lot on the perfection of the mirror surface. Technicians spend hours and hours of precise and painstaking work grinding and polishing the mirrors to achieve

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Stellafane ATM: Selecting a Telescope

Stellafane, Home of the Springfield Telescope Makers Inc., Springfield, Vermont, USA, Amatuer Telescope Making Selecting a Telescope This page will briefly discuss some of the things a beginner should consider when selecting an astronomical telescope to build or to purchase.

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How to Use your Smartphone to Capture High Quality

Clip on macro lens (for close ups) First, some DON'Ts: DON'T use the digital zoom (or zoom as little as possible). When it comes to smartphone cameras, image quality gets worse the more you zoom in. Try moving your phone closer to the product instead, or .

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Camera Lens,Optical Zoom 2X Telephoto Lens Mobile Phone Camera Telescope Lens For Iphone 6 7 8 Samsung Note8 S8 S9 Smartph Optic HD Phone Camera Lens Kit 4in1 Telephoto Zoom Monocular Telescope 22X Lens + Macro Wide Fisheye With Remote Tripod

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: telescope lens kit

SVBONY Telescope Lens 4mm 10mm 23mm Telescope Eyepieces Fully Coated Lens Telescope Accessories Kit Wide Angle for 1.25 inches Astronomic Telescope 4.2 out of 5 stars 190 $39.99 $ 39 . 99

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GSTAR EX3 High Resolution Colour camera Colour

Astronomers MacGyver 10 off the shelf telephoto lenses into a research quality telescope Cosmos Diy Telescope Refracting Telescope Dark Galaxy Astronomical Telescope Astrophysics Stargazing Camera Lens Toronto Astronomers build research grade

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DIY Telescope Project The Drafting Table

This post is about a project I have planned for the next several months (or longer), to try to build my own telescope. I'll try to write a follow up post to share how it turns out. My goal is not to build a high quality telescope, but rather one that can be easily assembled from cheap and easy to find components.

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Optics: How to Build a Beam Expander Corporation

The useable diameter of a lens is usually specified at approximately 80% of the actual lens diameter, a minimum lens diameter of 37.5mm would be required. If you are using off the shelf lenses, this will translate to 38 50.8mm in diameter. The magnification of a

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12 Improvements for a Cheap Telescope : 17 Steps (with

12 Improvements for a Cheap Telescope: A cheap telescope can discourage anyone from pursuing the astronomy hobby. Usually the effect of lowering the price of a scope is associated with compromising its performance. In many cases the vendor includes

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Telescope Kits Building a Telescope

In researching how to build a telescope, I stumbled upon telescope kits. Stargazer Steve, a Canadian fellow who sells pre assembled telescopes, as well as kits, was selling 4.5

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Telescope achromatic lenses objectives construction

TELESCOPE BUILDING PARTS & INFORMATION HOME PAGE TELESCOPES & ASTRONOMY UPDATED: 16th March 2008 REFLECTOR TELESCOPE CONSTRUCTION INDEX CURRENT SPECIALS JLP Series Green Laser Pointer JLP 1mW $80AUD or $

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Telescope Eyepieces – TelescopesPlus

This is the easy, money saving way to start your telescope eyepiece collection. A good rule of thumb is to use eyepieces that are of comparable quality to your telescope. So if you own a state of the art telescope, it's wise to spend a little extra on well crafted telescope eyepieces to enjoy your telescope

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Grinding your own mirror How is it possible to get

31/12/2016 · Page 1 of 2 your own mirror How is it possible to get accuracy in the nm? in ATM, Optics and DIY Forum: So I have read forum questions & answers on topics such as whether it is possible to use a 3D printer to design and print out a telescope mirror, or design an array of paraboloids this way for a segmented design, and the answers have been, no, the 3D printers dont

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Grinding time per grit size ATM, Optics and DIY Forum

14/2/2012 · Grinding time per grit size in ATM, Optics and DIY Forum: Hi there, I flew over about two dozen papers and articles over the last few weeks so that I have something to read in the next holidays . I found the keyword of subsurface damage on various materials(!) quite interesting and the respective visualisations. I read that subsurface fractures can be as deep as 3x the grit size. So

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The Big Red One: My Optimized 6 inch f/9 Reflector

Attention to detail is what separates a regular Newtonian reflector from one optimized for high contrast performance. This 6 inch f/9 uses every trick in the ATM's book to deliver superb planetary and deep sky views. This was the first telescope I made using my own optics. Like most telescope makers, I got started the easy way, by Continue reading "The Big Red One: My Optimized 6 inch f

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Telescope Types and Designs

Telescope Types and Designs There are three basic types of optical telescopes – Refractor, Newtonian reflector and Catadioptric. All of these telescopes are designed to collect light and bring it to a focus point so that it can be magnified by an eyepiece, however

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4 Telescope Making Basics

Chapter 4: Telescope Making Basics 35 • Miscellaneous: $100 We suggest the purchase of Plössl or orthoscopic eyepieces with a 31.75 mm bar rel diameter, and, if you like, a wide field eyepiece. For the 300 mm telescope (using the mount described for the 250

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Find a Telescope Workshop to Watch the Skies DIY Style

The Telescope Makers' Workshop is an informal gathering where you can learn how to grind and polish your own Newtonian telescope mirror. Clearing disinformation is our first job at the Telescope Makers' Workshop. "So you're grinding a lens!" No, we're grinding a

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DIY Telescope Project The Drafting Table

This post is about a project I have planned for the next several months (or longer), to try to build my own telescope. I'll try to write a follow up post to share how it turns out. My goal is not to build a high quality telescope, but rather one that can be easily assembled from cheap and easy to find components.

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