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mirror grinding paraboloid

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telescope mirror making part 3 rough grinding - youtube

sep 23 after hogging the mirror blank to depth the rough grinding stage begins right now and then worry about the paraboloid when he's figuring

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joy of mirror making rough grinding - mel bartels

rough grinding a telescope mirror radius of curvature and focal length spheroidal and paraboloidal the radius of curvature is the distance from the mirror

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telescope mirror making part 3 rough grinding - youtube

sep 23 after hogging the mirror blank to depth the rough grinding stage begins right now and then worry about the paraboloid when he's figuring

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wooden telescope part 1 the mirror 14 steps with pictures

show all items the polishing stage left us with a fully polished mirror with a nice spherical surface to achieve this paraboloid we will use the foucault tester

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amateur telescope making - wikipedia

the mirror has to be carefully ground polished and figured to an extremely accurate shape usually a paraboloid telescopes with

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grinding your own mirror - how is it possible to get accuracy in the

page 1 of 2 - grinding your own mirror - how is it possible to get print out a telescope mirror or design an array of paraboloids this way for a

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grinding and testing a telescope mirror - rasc st john's centre

i hope reading these pages may spark the idea of trying mirror-making yourself mirror is the radius of the paraboloidal shape on your mirror don't confuse

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how to make parabolic mirrors from space blankets - youtube

jul 13 parabolic mirrors are useful for everything from solar power to telescopes i just found this nasa tech brief on making mirrors this way

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making your own telescope mirror - cosmoquest forum

the mirror is paraboloid in shape in order to form a focused image of the whole rough-grinding a mirror blank to spherical shape is easy

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making a mirror grinding tool - amateur astronomers inc

today with the low-cost imported telescopes making your own telescope mirrors have either a spherical or a parabolic shaped concave face unlike most

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lens mirror making best lenses and mirrors are both made by

tool with grit between grinding compound will make tool convex mirror concave now must tests to get the exact shape parabolic etc most common

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spin casting mirrors - wikipedia

spin casting is a technique for constructing large parabolic mirrors by using the curved surface of large telescope mirrors where the natural paraboloid curve followed by the molten glass greatly reduces the amount of grinding required

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grinding my first 6 f/8 telescope mirror - youtube

oct 27 this video shows a few initial stages of making a primary mirror for a 6 once a good paraboloid surface is achieved it is aluminized which

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stressed mirror polishing section of a paraboloid - osa publishing

a mirror has been fabricated with the shape of an off-axis section of a paraboloid by grinding and polishing a sphere into a prestressed blank the applied

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newport glass works ltd grinding polishing and figuring - page 1

there are many different ways of grinding mirrors harder on the center of the mirror generating a curve deeper i e more parabolic than spherical curve

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stellafane atm mirror making myths

for many years the springfield telescope makers have held mirror making we then polish this sphere smooth and then slightly alter it into a parabolic curve

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making a mirror grinding tool - amateur astronomers inc

today with the low-cost imported telescopes making your own telescope mirrors have either a spherical or a parabolic shaped concave face unlike most

sale
grinding your own mirror - how is it possible to get accuracy in the

page 1 of 2 - grinding your own mirror - how is it possible to get print out a telescope mirror or design an array of paraboloids this way for a

sale
stellafane atm mirror making myths

for many years the springfield telescope makers have held mirror making we then polish this sphere smooth and then slightly alter it into a parabolic curve

sale
is it practical to hand grind a convex parabolic or hyperbolic mirror?

mar 1 if you're asking in regards to testing methods as indicated in the comments the simplest setup for interferometrically testing convex conic

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is it practical to hand grind a convex parabolic or hyperbolic mirror?

mar 1 if you're asking in regards to testing methods as indicated in the comments the simplest setup for interferometrically testing convex conic

sale
grinding my first 6 f/8 telescope mirror - youtube

oct 27 this video shows a few initial stages of making a primary mirror for a 6 once a good paraboloid surface is achieved it is aluminized which

sale
newport glass works ltd grinding polishing and figuring - page 1

there are many different ways of grinding mirrors harder on the center of the mirror generating a curve deeper i e more parabolic than spherical curve

sale
paraboloid mirror - source - sky telescope

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how the enormous mirrors on the world's largest telescope are

sep 3 how long does it take to fully grind and polish a mirror segment? entire 25 m telescope is a symmetric parabolic mirrorbut the segments

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joy of mirror making rough grinding - mel bartels

rough grinding a telescope mirror radius of curvature and focal length spheroidal and paraboloidal the radius of curvature is the distance from the mirror

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el camino college - astronomy making a mirror

dec 21 we use a plate glass tool which is identical in diameter to the mirror blank to smooth the glass blank and shape the surface into a paraboloid

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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

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how to make parabolic mirrors from space blankets - youtube

jul 13 parabolic mirrors are useful for everything from solar power to telescopes i just found this nasa tech brief on making mirrors this way

sale
stressed mirror polishing section of a paraboloid - osa publishing

a mirror has been fabricated with the shape of an off-axis section of a paraboloid by grinding and polishing a sphere into a prestressed blank the applied

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