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How to make a reflector telescope Storm The Castle

To understand how this telescope works lets take a look at how a newtonian telescope works You can see in the picture that there are four different components to this type of telescope The Tube itself The eyepiece the Secondary mirror and the Primary Mirror We make these four things and put them together to get a telescope

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NASA NuSTAR Telescope Lens How to Make Telescope Lenses

Telescopes are expensive—especially giant space telescopes—but a new process aims to significantly reduce the cost of the lens Here is how

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Astronomy 3D Printed Accessories — TheAstroGazer

With the availability of Home 3D printers and CNC machines its become easier to create custom parts and save hundreds of dollars by making the pieces yourself Here is a repository of Telescope accessory 3D print designs I have found and consolidated The links will take you to the download page for

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Hobby Killers What Telescopes Not to Buy Sky & Telescope Sky & Telescope

Small scopes tend to be low quality too with uncorrected objective lenses that display color fringing around bright objects and often won t even come to sharp focus So as a general rule stay above three inches in aperture There are of course some very high end

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Want To Make A Giant Telescope Mirror Here s How NPR

Astronomers want increasingly large telescopes to peer into the depths of space To build a solid telescope mirror nearly 30 feet across you need an oven that heats to 2 100 degrees Fahrenheit

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Telescope Mirror Blanks /

Telescope Mirror Blanks Providing telescope mirror blanks and kits to telescope makers Mirror blanks are individually tested for internal strain Plastic protractor inserted under a 6 inch mirror blank during a stress test to illustrate what stress would look like if there were any present

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Optics How to Build a Beam Expander Newport

The useable diameter of a lens is usually specified at approximately 80% of the actual lens diameter a minimum lens diameter of would be required If you are using off the shelf lenses this will translate to in diameter The magnification of a 2 lens system is equal to the ratio of the focal lengths of the lenses which is also

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Telescope eyepieces a beginner s guide BBC Sky at Night

A telescope collects light It s the eyepiece that magnifies the image that reaches our retinas Small refracting telescopes sold at a reasonable price are frequently packaged with a metal tripod a basic altazimuth mount a finder a couple of eyepieces and a Barlow lens

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NASA NuSTAR Telescope Lens How to Make Telescope Lenses to Spot Black

Telescopes are expensive—especially giant space telescopes—but a new process aims to significantly reduce the cost of the lens Here is how the new technique will be used on NASA s latest

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Telescope Eyepieces A Beginner s Guide OZScopes

Telescope Eyepieces General Applications The majority of the eyepieces that we have here on OzScopes are Plossl Eyepieces The Plossl seems to be the most popular eyepiece design today using 4 or 5 elements they are very well corrected and have

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Introductory Optomechanical Engineering OPTI 421/521

Then a grinding wheel cuts the outer edge The wedge specification dictates the required quality of the equipment and the level of alignment required on the edging spindle Typical tolerances are • 5 arcmin is easy without any special effort • 1 arcmin is readily achievable • 15 arcsec requires very special care ETD = max min α= ETD / D δ = α n 1 J H Burge 6 Lens

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Introductory Optomechanical Engineering OPTI 421/521

Lenses are typically made by polishing both surfaces then edging The lens is held on a good chuck and the optical axis is aligned to the axis of rotation Then a grinding wheel cuts the outer edge The wedge specification dictates the required quality of the equipment and

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Astrophotography Cameras Whats The Best Choice for

Smaller camera lenses are much lighter than most telescopes which means you won t require a large equatorial mount to track the sky Heavier telephoto lenses such as the Canon 300mm F/4L will require a more robust mount such as the iOptron SkyGuider Pro The Rokinon 135mm F/2 lens is an excellent choice for large deep sky targets

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Re Grinding own lenses Open Talk Forum Digital

The best high end camera costing more than $2021 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 $2021 and recommended the best

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Mel Bartels Amateur Telescope Making BBAstroDesigns

The named asteroid 17823 Bartels discovered 1998 by in recognition for my contributions to amateur astronomy Making is the Key to Knowing A telescope mirror is arguably the most accurate surface made by human or machine Amazingly you can grind a mirror by

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15 Best Raspberry Pi Cameras and Lenses Lastest Open

Raspberry Pi High Quality Camera IMX477 With the megapixel Sony IMX477 sensor and diagonal image size the new Raspberry Pi High Quality Camera has excellent performance The new IMX477 camera also features adjustable back focus and supports for C and CS mount lenses Well C and CS mount lenses mean infinite possibilities You can add any C or CS mount lens

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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 astronomy

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PORTABLE👁 TELESCOPE

The zoom high definition adoptsThe telescope is very standard one lens type It can zoom to 300 times fine The lens is kind of small but it works with the stand and the tripod well The image on the phone can be seen clearly just a little bit small Highly recommended product ⭐ ⭐ ⭐ ⭐ ⭐ Alan J ⚙ Specifications Magnification 10 300X Prism Type BAK S1 Objective lens

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What Can You See With a Telescope Deep Sky Watch

Aperture is the diameter of the objective lens or a mirror it defines how much light the telescope gathers and its maximum resolving power Optical quality is a general therm which describes the ability of a telescope to transmit unaltered image In this article there are 3 telescope categories which will be referred by [orange] tags [1] Small and cheap price range 50 200$ For example

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DIY Thermal Camera That s Better And Cheaper Than A FLIR

Now [Max] has unleashed his DIY Thermocam on the world of Open Hardware and anyone can build their own for about 400 about $425 The components required for

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Dick Parker s Telescope Mirror Workshop Cassegrain

Grinding the secondary is just like grinding any other optic except in minature I ground the secondary with the mirror on a workstand and worked the tool on top just like I would grind a larger mirror This optic is small enough that a lens grinding machine could work well

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What are 2 problems with building a refracting telescope with a 4 meter diameter lens

A refracting telescope is one with a lens actually a set of 2 or 3 lenses as the objective element A lens is held in a mounting around its edges The optical shape of the lens then depends on its mechanical stiffness As we make larger and larg

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Telescope Mirror Blanks / Grind Your Own Telescope

Telescope Mirror Blanks Providing telescope mirror blanks and kits to telescope makers Mirror blanks are individually tested for internal strain Plastic protractor inserted under a 6 inch mirror blank during a stress test to illustrate what stress would look like if there were any present

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OpenAstroTech Front Page

Open source DIY star tracker which can be build from simple affordable and 3D printed parts Many days and nights have been spend in CAD papers full of calculations frustration over code Hours out in the cold for calibration and testing Kilos and kilos of filament wasted Incredible amounts of coffee consumed

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Mike s Telescope Workshop

Mike s Telescope Workshop I have been involved in amateur telescope making ATM for over 30 years In that time I have built many different telescopes and other instruments This web page chronicles just a few of them ATM is a great and very rewarding hobby You can build a better telescope than you can buy

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40 Epic Homemade Telescopes w/ How To Make Guides

Awesome 8″ f/6 Solid Oak Octagon Reflector Telescope With a nice How To Guide TJ 20 inch Telescope the history of an almost 30 year old Dobsonian Epic Homemade 22 Inch Binocular Telescope inch f/ Ellie Low Tech/ Light Weight Suitcase Telescope inch f/10 Planetary Reflector

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How to build a simple telescope at home Quora

You don t mention in your question whether you want the telescope for terrestrial use or for the more demanding work of looking at the stars I am assuming you want to build a telescope because you hope it will cost less than a commercial telesco

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Professional Telescopes

High quality Apochromates from LZOS in apertures even more than 8 more Optical Sets Optical sets large lenses and mirror sets for manufacturing of telescope assemblies more Mountings Big scopes need large mounts We offer suitable products with high quality standards more Observatory Domes New contemporary observatory domes for the needs of modern astronomers more Correctors

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Smartphone Astrophotography How I Capture the Moon and

In short the quality of today s smartphone cameras makes it possible to take very respectable images of the Moon and planets through a telescope with your phone but it takes some work

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Astronomical Telescopes and Optical Components Orion Optics

Our Telescopes and Accessories TELESCOPES OPTICS ACCESSORIES MOUNTS Configure your perfect Telescope Choose your body optics mount and accessories and build your perfect bundle State of the art Technology Orion Optics are a major player in the manufacture of quality certifiable optics which feature across their range of telescopes Heavy investment in state of the art technology and

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Guan Sheng Optical

Parabolic mirror GSO offers very HIGH quality parabolic mirrors for the people who want to build their own telescopes or DIY project The parabolic mirror size from 6 to 24 all of these mirrors were made by BK7 or Quartz quality optical glass all mirrors have an enhance aluminum reflective coating reflectivity is approximately 93% The aluminum coating is protected by a properly applied

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How to Make a Telescope with Pictures wikiHow

None as adding lenses between them changes the behavior of the light passing through You could however make a telescope with theoretically infinite lenses if they re spaced out properly However bear in mind that every lens you add reduces image quality brightness contrast etc

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How to Build a Telescope Science Fair Projects Space

A telescope s power or magnification has to do with its lenses Magnification is determined by the focal length of the telescope divided by the focal length of the eyepiece

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