• Build Your Own LensesDIY Photography

     · Project the light from the lamp through the lens and onto the paper. Adjust the distance between the lens and the paper until the image is at its sharpest. Now just measure the distance from the lens to the image on the paper. This is the focal length of the lens or close to it.

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  • How To Make a Telescope With Two Convex Lenses

     · Step 2 Prepare the Telescope Body. Get two corrugated paper sheets and make two cylinders with those sheets. But keep the radius different. Just make sure that one cylinder can slide inside another cylinder. Use tape while building those cylinders. An easy way to build the telescope body is by making the paper cylinders by wrapping around the lenses.

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  • Telescope MirrorsOrion Optics

     · Our Standard mirrors are produced from quality low expansion Suprax glass from Schott Germany. 1/4 PV wavefront specification giving excellent images for any choice of subject. Coated with now world famous Hilux high performance coatings as standard. The majority of these primaries we make are bought by amateur telescope makers or just

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  • Which Telescope Eyepiece Is Right for You Sky

    Sky Telescope / Craig Michael Utter. An instrument can possess the finest objective lens or mirror but the exquisite detail at its focus will not be faithfully conveyed to the eye or camera unless an eyepiece of equal quality is used. It may seem like a small link in the chain but

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  • Making a Maksutov ATM Optics and DIY ForumCloudy

     · Maksutov-Cassegrains were popular back in the 1960 s but even then only a handful of amateurs made them -- and for a very good reason. Maks are not easier to make then a refractor. The corrector has very tight tolerances in terms of radii center thickness and centration. The corrector substrate has to be of high quality in terms of

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  • Another DIY Micro-Macro Lens 14 Steps (with Pictures

    Another DIY Micro-Macro Lens While experimenting with a variety of "other-purpose" lenses. I discovered I had the makings of a really amazing micro lens in my telescope eyepiece collection. While you may not already have the eyepiece described you can buy one cheap. I have see

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  • Ultimate Best Telescope Buying Guide 2021 • The Planets

     · Ultimate Best Telescope Buying Guide 2021. The Complete Guide To Buying The Best TelescopeReviews Tips And Advice. If you ve ever looked up at the heavens and wondered what s out there you re not alone and every day thousands of amateur astronomers grab their telescope and aim it towards the open sky.

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  • Making a Maksutov ATM Optics and DIY ForumCloudy

     · Maksutov-Cassegrains were popular back in the 1960 s but even then only a handful of amateurs made them -- and for a very good reason. Maks are not easier to make then a refractor. The corrector has very tight tolerances in terms of radii center thickness and centration. The corrector substrate has to be of high quality in terms of

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  • Telescope Mirrors Blanks Secondaries Grinding Materials

     · Telescope Mirrors Blanks Secondaries Grinding Materials Testers Aluminising Making Advice Information. T A Lens Cloth 1AUD 114mm (4.5") Glass f/8 Parabolic Mirror 60AUD 153mm (6") Soda Build Your Own Telescope Complete plans for 5 high quality telescopes 70AUD The Dobsonian Telescope

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  • How to build a DIY replica of Galileo s telescope

     · We got 33.5 inches. Saw the PVC pipe to this length. Drill a hole in the center of the end cap. Center and glue the concave lens on the inside of the cap. Put the cap on the pipe. Glue the convex

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  • diy grinding high quality telescope lens

    Mirror grindingScope Making. telescope making mirror grinding homemade tripod eyepieces astronomy. In some countries telescope mirrors are unavailable so they need to be imported at high A 6" (150 mm ) or 8" (200 mm) standard quality mirror will be cheaper if Chat Online

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  • Telescope Making Supplieswillbell

     · Low cost time-proven high quality polishing. Red rouge is produced by combining ferrous sulfate ammonium hydroxide and ammonia water. The solution is then filtered burned in the presence of air and finally powered and graded. Its close cousin is iron rust although optical rouge is

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  • How To Build a Dobsonian Telescope DIY Astronomy Project

     · You too can avoid astronomical costs by watching stars through a tricked-out cardboard tube. PM builds one and speaks to John Dobson the man behind the plans about the joys of DIY

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  • Ultimate Best Telescope Buying Guide 2021 • The Planets

     · Ultimate Best Telescope Buying Guide 2021. The Complete Guide To Buying The Best TelescopeReviews Tips And Advice. If you ve ever looked up at the heavens and wondered what s out there you re not alone and every day thousands of amateur astronomers grab their telescope and aim it towards the open sky.

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  • 16 DIY Telescope ideas diy telescope telescope astronomy

    See more ideas about diy telescope telescope astronomy. Jan 14 2018Explore Miki Popovic s board "DIY Telescope" on Pinterest. See more ideas about diy telescope telescope astronomy. telescope making mirror grinding homemade tripod eyepieces astronomy A high quality telescopic 40mm P trap manufactured with a 75mm seal for a

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  • Re Grinding own lenses Open Talk Forum Digital

     · The best high-end camera costing more than 2000 should have plenty of resolution exceptional build quality good 4K video capture and top-notch autofocus for advanced and professional users. In this buying guide we ve rounded up all the current interchangeable lens cameras costing over 2000 and recommended the best.

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  • 40 Epic Homemade Telescopes (w/ How To Make Guides

     · Galileo heard about the Dutch telescope in June 1609 built his own within a month and greatly improved upon the design in the following year. The idea that the objective or light-gathering element could be a mirror instead of a lens was being investigated soon after the invention of the refracting telescope.

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  • 40 Epic Homemade Telescopes (w/ How To Make Guides

     · Galileo heard about the Dutch telescope in June 1609 built his own within a month and greatly improved upon the design in the following year. The idea that the objective or light-gathering element could be a mirror instead of a lens was being investigated soon after the invention of the refracting telescope.

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  • diy grinding high quality telescope lens

    diy grinding high quality telescope lens . our products. D Q Mining is a high-tech company integrating R D production and sales. It provides mature products and solutions such as crushers sand making milling equipment mobile crushing stations etc. for aggregate mining and waste recycling.

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  • Another DIY Micro-Macro Lens 14 Steps (with Pictures

    Another DIY Micro-Macro Lens While experimenting with a variety of "other-purpose" lenses. I discovered I had the makings of a really amazing micro lens in my telescope eyepiece collection. While you may not already have the eyepiece described you can buy one cheap. I have see

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  • An Introduction to the Optics Manufacturing Process

     · blank. A lens is typically ordered from a glass company in a form called a glass blank. From there the lens goes through generation where the rough shape is ground into the blank. A lens is then blocked and undergoes further grinding to improve the surface and shape. Polishing is the final fine grinding stage where the surface and shape of the

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  • Mike s Telescope Workshop

     · Casting a light weight telescope mirror (all steps in the process) In this video I show how I designed cast slumped and coldworked a light-weight telescope mirror blank prototype. The blank is 10 inches in diameter but only weighs 4 lbs 13 oz. It has a ribbed back design for rigidity and is pre-slumped to f/4.9.

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  • Mirror grindingTelescope making

     · 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 mm) standard quality mirror will be cheaper if bought ready made. 250 mm (10") probably too.

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  • Lens Grinding Qualitynervensonographie.ch

    Jun 25 2010 Results of confirmation experiments using these final parameters show that lens surfaces ground with polishers ranging in curvature from −7 00 to 7.00D are robust in desired quality targets. Two-stage optimization of lens grinding parameters for multi-quality target combining Taguchi method and neural network software SpringerLink

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  • How to Make a Lens from Scratch (Like Literally Rocks and

     · Here is Adam s completed DIY zoom lens made from copper he mined himself as well as borax sand and soda ash that he collected. Adam s DIY pinhole camera and finished zoom lens were made entirely from scratch. It s absolutely incredible to watch someone mine extract and melt down copper and then use borax sand and soda ash all of which

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  • How to build a DIY replica of Galileo s telescope

     · We got 33.5 inches. Saw the PVC pipe to this length. Drill a hole in the center of the end cap. Center and glue the concave lens on the inside of the cap. Put the cap on the pipe. Glue the convex

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  • What are the best sources for mirror blanks ATM Optics

     · What are the best sources for mirror blanks posted in ATM Optics and DIY Forum Ever since I found Stellafanes mirror making page Ive been itching to build my own telescope. Im going to start with a 6-8in. Newt (the classic beginning ATM project ). All I need now are the materials I can find the yogurt containers pretty easily. For the rest of it I had to do a little searching.

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  • Making a Maksutov ATM Optics and DIY ForumCloudy

     · Maksutov-Cassegrains were popular back in the 1960 s but even then only a handful of amateurs made them -- and for a very good reason. Maks are not easier to make then a refractor. The corrector has very tight tolerances in terms of radii center thickness and centration. The corrector substrate has to be of high quality in terms of

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  • "e-scopes.cc" Astronomy Telescope Kits Telescope Mirrors

     · 8" 6" AND 4.5 " TELESCOPE MIRRORS Coulter Optical ® set the standard for high quality low cost telescope mirrors for over 40 years. Our mirrors are made of the highest quality precision annealed optical glass then expertly hand figured and tested by skilled opticians.

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  • How to Make a Lens from Scratch (Like Literally Rocks and

     · Here is Adam s completed DIY zoom lens made from copper he mined himself as well as borax sand and soda ash that he collected. Adam s DIY pinhole camera and finished zoom lens were made entirely from scratch. It s absolutely incredible to watch someone mine extract and melt down copper and then use borax sand and soda ash all of which

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  • Grinding your own mirror and making a telescope

     · Anyone here got any experience of grinding their own mirror and making a newtonian reflecting telescope I know.. that sounds horrifyingly daunting as a be

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