Explore Scientific 16-inch truss tube Dobsonian . or Best Offer +$115.00 shipping. Ultra Grade �268, Secondary Size 35mm �42 Recommended Secondary Size 110mm �258, Standard Grade �385 A 16-inch scope is a big piece of equipment and often back-wrenchingly heavy. 16" Premium Ultra Light Dobsonian Telescope. The zonal width also shrinks with increasing correction needed to parabolize. 4.1 out of 5 stars 72. Secondary Size 100mm �234 Recommended Free shipping on many items | Browse your favorite brands | affordable prices. An 8-inch mirror is enough to reveal some of the fainter deep sky targets, yet the telescope is manageable enough to get a lot of use. Atomic Energy Nuclear Fusion Research Laboratories, Culham. The dual-speed 1:10 rack and pinion focuser is well made and can easily support heavier eyepieces. Conical mirrors in 6, 8, 10, 12.5, 14.5 and 16 inch sizes. or Best Offer +$19.99 shipping. SVBONY 1.25 inches 90 Degree Zenith Mirror Diagonal Adapter Erect Image Fully Metal for Refracting Telescope Eyepiece Lens 4.5 out of 5 stars 54 $31.99 $ 31 . Research Grade �400 Before the popularization of the Dobsonian by John Dobson, the vast majority of amateur telescopes consisted of small telescopes with primitive mechanics - barely enough to see the polar caps of Mars or the rings of Saturn. Special telescope construction optical mirrors for research and technology. It is a Meade mirror, and appears to be excellent. Glass shape: mine is meniscus or constant thickness with a curved backside while John's had a flat backside. Contact : Catalogs : Company : Discount Programs, Copyright year, Edmund Optics Inc., 101 East Gloucester Pike, Barrington, NJ 08007-1380 USA, California Consumer Privacy Act (CCPA): Do Not Sell My Information. My mirror is 1 5/8" thick and 16" in diameter. Research Grade �1322 A 4 inch F8 mirror needs 0.3 waves correction (all measured tangent from center or edge), a 8 inch F7 needs 1 wave, a 16 inch F5 needs 5.7 waves and a 30 inch F2.7 needs close to 65 waves correction. Tax Certificates. The longest focal length our shop can accommodate is 112-inches. 16" f/4.5 dob: The intention with this telescope was to build a robust and powerful telescope using the relatively inexpensive 16 inch mirror sets produced by GSO. The zonal width also shrinks with increasing correction needed to parabolize. Next, using ¾ inch plywood, cut another disk that measures 1/16 inch less than the inside diameter of your telescope tube. Uncoated substrates are also available. Website by Opticstar official Meade UK importer. one inch thickness. Secondary Size 63mm �90 Recommended 16" Newtonian Telescope After many years of wishing, and a few more years of planning, designing, purchasing, and assembling, my 16" telescope is completed! The blank only weighs 11 lbs, 15 oz. Secondary Size 82mm �144, Standard Grade �566 Mirror cell. Recently coated (enhanced) by Spectrum. Parabolic mirror: GSO offers very HIGH quality parabolic mirrors for the people who want to build their own telescopes or DIY project. Both mirrors were made from plate glass. $699.99. Payment & Shipping Research Grade �2203 Sky Watcher Classic 200 Dobsonian 8-inch Aperature Telescope – Solid-Tube – Simple, Traditional Design – Easy to Use, Perfect for Beginners, White (S11610) 4.1 out of 5 stars 145. Ranging in aperture from 6” to 16” and offered in various f-ratios, these mirrors are made from optical grade BK-7 glass. Secondary Size 75mm �114 Recommended This nominal fee will be applied to the refiguring cost should you wish to have that done. He did a great … At Orion Optics UK we pride ourselves on having some of the finest optical technicians anywhere in the world. All mirrors have a reflective aluminum coating with a reflectivity of 92-93%. Research Grade �218 Wide Range of Sizes up to 412.8mm Diameter. Ultra Grade �724, Secondary Size 50mm �60 . It was permanently mounted outside, in his back yard, and was stored under a tarp. 1 4 2 3 4 .. Alluna Telescope-Systems. The intention with this telescope was to build a robust and powerful telescope using the relatively inexpensive 16 inch mirror sets produced by GSO. Sky Watcher Classic 200 Dobsonian 8-inch Aperature Telescope – Solid-Tube – Simple, Traditional Design – Easy to Use, Perfect for Beginners, White (S11610) 4.1 out of 5 stars 145. It was customarily made by John hall of Pegasus Optics, and the performance was less than ideal. Professional Grade �188 The mount system allows for smooth motion on … Meade LX600 16-inch ACF telescope. The Explore design brings the weight right down while maintaining strength and rigidity. The concept for this 16" Dobsonian is a similar to that of my 22" Dob, except that it is of course smaller and somewhat simplified. We can predict that a zone will polish consistently if the correction across the zone is a wave or less. This nominal fee will be applied to the refiguring cost should you wish to have that done. This telescope has a polishing process for primary and diagonal mirror which yields smooth mirror surfaces. 23 watchers. Supplied with full Zygo interferometer report.UltraWith our continuous developments in optics we have now reached a position where we can offer with 100% reliability, optics which we believe are the best available anywhere in the world. We've done our homework - the 18 is easy to set up and a joy to use. TWO 16" f/3 .7, 1.3"-thick ... John Pratte/JPAstrocraft has an extra structure available for a 16", an ideal match. Save telescope mirror blank to get e-mail alerts and updates on your eBay Feed . Add a stock number to begin our two-step quote process. This 10-inch Dobsonian telescope is specially designed to provide you with the most beautiful view. Tension Control Handle. TECHSPEC® Precision Parabolic Mirrors are available in sizes ranging from 3" (76.2mm) to 16.25" (412.8mm) and are ideal for a wide range of applications. Professional Grade �474 Ultra Grade �3693, Secondary Size 90mm �198 Well . Research Grade �738 What makes the Sky-Watcher 16 Inch Dobsonian Telescope so special is the superior quality of its components and the pride of workmanship which manifests itself in high quality standards of optical and mechanical fabrication. Meade Series 5000 2in Enhanced Diagonal Mirror With Adapter - 07680 Optical Tube Assembly. Research Grade �220 or Best Offer +$115.00 shipping. Professional Grade �601 The Family ID is used to identify product family presentations and can be used to quickly access presentations utilizing the search. The mirror box on my 13.1 inch is 67 pounds. From Hong Kong. I was inspired to build telescopes during a trip out to McDonald Observatory in west Texas, where I saw a 36” fork-mounted telescope, tiny in comparison to the huge research telescopes at the site. Professional Grade �1747 ... 16" f/5 Sandwich Parabolic Telescope Mirror . Secondary Size 75mm �114 Special Notice-We want to let our customers know that during this timeframe we continue to do business as usual. The Sky-Watcher 16 Inch Dobsonian Telescope was built to near perfection as the structural and mechanical components of the OTA display carefully crafted construction and excellent stability. Secondary Size 63mm �90 These mirrors or any telescope we may supply with these mirrors is not supplied with a full Zygo report. Contact our Sales Team by Email: [email protected] or Telephone: 01782 614200, TERMS & CONDITIONS | FIND US | YAHOO GROUP. 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%. $1300 OBO shipped. 4.1 out of 5 stars 72. Above: Sixteen inch mirror cell with optional knurled brass collimation knobs. We have set your country/region to United States. 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%. My mirrors are made to the following design and use specifications. Quotes on custom mirrors available as well. Ranging in aperture from 6” to 16” and offered in various f-ratios, these mirrors are made from optical grade BK-7 glass. Professional Grade �654 Sky-Watcher Flextube 200 Dobsonian 8-inch Collapsible Large Aperture Telescope – Portable, Easy to Use, Perfect for Beginners. Cassegrain and Dall-Kirkham mirror sets in sizes from 8 through 16" in standard and the NEW! Research Grade �806 Professional Grade �444 Wavefront accuracy having an RMS of .032 and a Strehl Ratio of .96 or better at 633 nm for apertures up to 10" at f/5 or larger. Although a 16" telescope is twice the size of an 8" telescope, it has four times the light gathering power. The majority of these primaries we make are bought by amateur telescope makers or just customers who want to upgrade the optics in their imported, usually Chinese branded telescope. Research Grade �3010 We fit these as a matter of course to our CT range of ‘scopes ensuring their performance is even further enhanced with a virtual zero expansion, and flexure, high specification Carbon Fibre tube. 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. conical cross-section mirrors. We provide 6 inch, 8 inch, 10 inch, and 12 inch telescope mirror blanks in standard 3/4" thickness, and larger mirror blanks up to 20 inches in 1" thickness. Mirrors up to 16" and f/5 or larger have a wavefront accuracy having an RMS of .036 and a Strehl Ratio of .94. The telescope comes with a matching mirror case - it is designed to allow easy removal of a truss pole to facilitate reaching in and removing the 21-pound primary for travel or indoor storage. Our Ultra range has Strehl values typically around 99% with RMS values of the order of 0.02PV. Fantastic deep sky and planetary images. Secondary Size 50mm �60 Recommended, Standard Grade �128 This is a photo of Saturn taken on 03/04/06, using the 16 inch Meade SCT at the Carol Samuels Observatory, at prime focus (4000mm fl) using a Philips ToUcam. All mirrors have a reflective aluminum coating with a reflectivity of 92-93%. Professional Grade �2607 Telescope Specification: 16" Parabolic primary mirror ; Focal length: 1800mm, F/4.5 2 " Precision Micro 10:1 Crayford style focuser 2 " 35mm Eyepieces Extension tube 18 points mirror cell w/ 4.7" cooling fan. Starting from a rough glass blank, you can obtain an almost perfect parabola with surface errors in the range of 20 to 60 nm. While cooling, gradients in the mirror will cause deformation of the surface, and the aberrations induced by these gradients will be proportional to the CTE of the substrate. 16" 2.000" 18" 2.000" 20" 2.000" 22" 2.000" TELESCOPE MIRROR BLANKS MADE TO YOUR SPECIFICATIONS. It features a primary parabolic mirror that is precisely placed to eliminate any spherical aberration in the images. Professional Grade �1160 Professional Professional Grade Optics primaries are produced from quality low expansion Suprax glass from Schott Germany. The mirror is attached to the mirror using double sided sticky tape. 99 $1,650.00. A 10-inch telescope mirror has a 10-inch or 250mm primary mirror. A 20-inch telescope mirror for sale will collect 6.25 times more light than an 8-inch telescope mirror will. A Premium, Light, Compact and Portable Design - About half the weight of traditional Dobsonian telescopes. Professional Grade �330 The 10 inch mirror will require extra cardboard padding around the mirror edge or you can use Styrofoam insulation sheet. 14 watchers . Coupled with a guaranteed PV wavefront error so small, it often is less than 1/10PV wavefront. Conical mirrors in 6, 8, 10, 12.5, 14.5 and 16 inch sizes. A 4 inch F8 mirror needs 0.3 waves correction (all measured tangent from center or edge), a 8 inch F7 needs 1 wave, a 16 inch F5 needs 5.7 waves and a 30 inch F2.7 needs close to 65 waves correction. AGI can manufacture mirror blanks up to 40” in diameter ; AGI can diamond machine ID holes into your mirror blank ; AGI … Sky-Watcher Flextube 200 Dobsonian 8-inch Collapsible Large Aperture Telescope – Portable, Easy to Use, Perfect for Beginners. Parabolic mirror: GSO offers very HIGH quality parabolic mirrors for the people who want to build their own telescopes or DIY project. The first owner of had used the DS-16 for years. Secondary Size 82mm �144 Recommended Secondary Size 75mm �114, Standard Grade �264 Address Book, Each mirror is carefully measured after it has reached equilibrium in our laboratory. Ultra Grade �1058, Standard Grade �1039 A small step ladder is required when the scope is pointed near the zenith but most observing will be done with your feet on the ground. Pre-Owned. The 16" LX600 includes the patented Starlock auto-guiding system for automatic full-time guiding with one arc-second precision under good seeing conditions, zero image-shift focuser, AutoStar II GOTO system with over 145,000 object library, and much more. All of the mirror blanks we sell are individually tested to be free of internal strain. Secondary Size 90mm �198, Standard Grade �522 RC-telescopes with 16 inch, 18 inch, 20 inches and 24 inches. GSO's parabolic primary mirrors are perfect for those who want to build their own telescopes or replace mirrors in older ones. Produced from quality low expansion Suprax glass from Schott Germany. Refigured by Swayze Optics. Their incredible accuracies and reflective characteristics lend themselves to the realms of optics we have supplied to: OPTICS : Telescope Mirrors : Elliptical Flats : Mirror Cells : Zygo : Optics Finish Note : PV ExplainedMirror Recoating : All About Optics : Optical Coatings : Optical + Telescope Testing, Research Grade �220 Zambuto Optical Company is a full service custom manufacturer of premium Newtonian primary telescope mirrors from 7" through 24" diameter. Secondary Size 44mm �50, Standard Grade �270 Ultra Grade �270, Standard Grade �120 I still have some fine-tuning to do, but the lessons learned in the previous 10" telescopes have been applied here, resulting in a first-class design. 16" 2.000" 18" 2.000" 20" 2.000" 22" 2.000" TELESCOPE MIRROR BLANKS MADE TO YOUR SPECIFICATIONS. Telescope Mirror Blanks Providing telescope mirror blanks and kits to telescope makers. Edge thickness: my mirror is 9/16 inch which John's was 3/4 inch, a little thicker but not by much. 14 watchers . Cassegrain Mirror Sets . No telescope type has changed the hobby quite as much as the Dobsonian. * This thickness is nominal and can vary. 16" Premium Ultra Light Dobsonian Telescope. These mirrors are exceptional in performance and can be relied upon 100% to give virtually flawless images. This will be the tube plate. Secondary Size 82mm �144 f/5: $2,195 f/4.5: $2,495 Order Info . Go here for details. Telescope Mirrors: Home < Back: Product Index: Next Page > Help: Product Index Parabolic Mirror Sets : Information Index What is BK7 Glass? Conical mirrors in 6, 8, 10, 12.5, 14.5 and 16 inch sizes. All mirrors have a reflective aluminum coating with … For mirrors 16" diameter and under, please include $30.00 for this test. Mirrors 18" diameter and over include $50.00 for the test. Coated with Hilux enhanced optical coatings. All of the mirror blanks we sell are individually tested to be free of internal strain. AGI can manufacture mirror blanks up to 40” in diameter ; AGI can diamond machine ID holes into your mirror blank ; AGI … 1/4 PV wavefront specification giving excellent images for any choice of subject. Ultra Grade �453, Secondary Size 44mm �50 A larger telescope primary mirror will also make your telescope heavier and longer. The mirror has a well-designed support system and two rollers at the bottom edge to support the mirror weight at low altitude. $699.99. The 22 inch mirror box is well over 100 pounds. Telescope mirrors are manufactured in a strictly controlled temperature and humidity environment. These mirrors are virtually unsurpassed in performance and will produce some of the finest images available for either visual, film or CCD work. Amazon's Choice for telescope mirror Ullman Devices HTC-2 High-Tech Telescoping Inspection Mirror, 2-1/4" Diameter, 6-1/2" to 36-3/8" Length 4.7 out of 5 stars 1,195 And this, only by pushing a piece of glass by hand. These parabolic mirrors are offered with protected aluminum, enhanced aluminum or protected gold … 16" Telescope Project Made with a little help from my friends. These parabolic mirrors are offered with protected aluminum, enhanced aluminum or protected gold coatings. Both the 16"-diameter (406 mm), lightweight parabolic primary mirror and 91mm minor-axis secondary mirror of the SkyQuest XX16g are made of low-expansion glass and feature enhanced 94% reflectivity aluminum coatings for optimal observing performance. A telescope is an optical instrument using lenses, curved mirrors, or a combination of both to observe distant objects, or various devices used to observe distant objects by their emission, absorption, or reflection of electromagnetic radiation. Supplied with full Zygo interferometer report.ResearchWe measure regularly in their manufacturing process and, Zygo interferometer tests confirm, our Research Grade optics are some of the finest optics available anywhere at any price. Welcome to Lockwood Custom Optics, Inc. Information / Contact: In-Stock Mirrors: Clients Projects: FAQ: NEW: Our Groups.io group Customer Comments History & More: Online Articles: In The Shop Click on the links here to see some more details. Save telescope mirror blank to get e-mail alerts and updates on your eBay Feed . Research Grade �381 Jon The unit felt very responsive with no image shift in use with a range of eyepieces. The Obsession 18" UC features the same quality craftsmanship and award winning design as found on our renown 20, 25, 30 and 36 inch telescopes. . All … Customer Comments Questions (FAQs) Find What You Want Find What We Sell for Your Equipment using the Telescope Equipment Index Find What You Are Looking For using the Key Word Index View Shopping Cart: Mirror Products . We provide 6 inch, 8 inch, 10 inch, and 12 inch telescope mirror blanks in standard 3/4" thickness, and larger mirror blanks up to 20 inches in 1" thickness. My mirrors are made to the following design and use specifications. Please contact us if you wish to specify your thickness precisely.StandardOur Standard mirrors are produced from quality low expansion Suprax glass from Schott Germany. Go here for details. $1,650.00. Photo by Carrie Fay Amaro. 23 watchers. Secondary Size 82mm �144, Standard Grade �1628 This is a 12.5 inch diameter, 1.5 inch thick, light-weight telescope mirror blank that I made myself. Secondary Size 50mm �60 Recommended Secondary Size 90mm �198, Standard Grade �2233 However, the price of the mirror increases as the mirror gets larger. Ultra Grade �1161, Secondary Size 63mm �90 The optics we produce are world renowned for being among the best available. From Hong Kong. Coated with highly reflective Hilux, you are guaranteed much brighter images than most telescopes on the market. This is a Generation II telescope.All updates have been performed on this telescope. At the heart of any telescope is a good mirror cell. Fully assembled the UL16 weighs at about 60 pounds. Mirrors 18" diameter and over include $50.00 for the test. The 16-inch primary mirror is made from BK-7 glass and has a focal length of 1,826mm, giving a focal ratio of f/4.5 –a short focal length for its size. There may be delays with regard to shipments due to outside circumstances beyond our control, but we continue to perform our optical … GSO's parabolic primary mirrors are perfect for those who want to build their own telescopes or replace mirrors in older ones. or Best Offer +$19.99 shipping. ♦ clear aperture 16" (406 mm) ♦ 4060 mm focal length, focal ratio 1:10 ♦ resolving power 0.28" ♦ image scale 0.36°/in (0,14°/cm) ♦ primary mirror lock ♦ mirrors made of pyrex, Schmidt plate made of float glass ♦ only 67.2 lb (30.5 kg) tube weight ♦ only 33 in (84 cm) tube length How I Got Started While looking for a small diameter glass blank to make my own mirror, I lucked into a Meade DS-16 mirror set, a 16” primary and a 4” secondary pair. Mirrors up to 16" and f/5 or larger have a wavefront accuracy having an RMS of .036 and a Strehl Ratio of .94. RC-telescopes with 16 inch, 18 inch, 20 inches and 24 inches. Weighs 15lb. f/5: $2,195 f/4.5: $2,495 Order Info . You can collect more light with a larger aperture. We can predict that a zone will polish consistently if the correction across the zone is a wave or less. Secondary Size 75mm �114, Standard Grade �355 Professional Grade �180 The first owner of had used the DS-16 for years. Ultra Grade �2619, Secondary Size 75mm �114 16 inch F4.5 mirror. Wavefront accuracy having an RMS of .032 and a Strehl Ratio of .96 or better at 633 nm for apertures up to 10" at f/5 or larger. Drill ¼-inch holes through the centers of both disks and temporarily bolt the pair together. These mirrors or any telescope we may supply with these mirrors is not supplied with a full Zygo report.ProfessionalProfessional Grade Optics primaries are produced from quality low expansion Suprax glass from Schott Germany. You can change this selection at any time, but products in your cart, saved lists, or quote may be removed if they are unavailable in the new shipping country/region. How I Got Started While looking for a small diameter glass blank to make my own mirror, I lucked into a Meade DS-16 mirror set, a 16” primary and a 4” secondary pair. Brand New. It does this by abandoning the particle board used by other manufacturers for the mirror box and the base, and instead uses aluminium for many of the telescope’s main components and structure. ... yet, but they do a pretty good job on planets. With a very sturdy and rigid mount design, shaking as well as miss-alignment while observing deep space is a minimal to non-existent problem. It was permanently mounted outside, in his back yard, and was stored under a tarp. I sent the mirror to Swayze Optics to have it refigured. Also, it comes with a secondary mirror that minimizes light loss and diffraction spikes. 1/8 PV wavefront specification giving excellent images for any choice of subject. The mirror cell is 6 disks held on two arms. TECHSPEC® Precision Parabolic Mirrors are available in sizes ranging from 3" (76.2mm) to 16.25" (412.8mm) and are ideal for a wide range of applications. GSO's parabolic primary mirrors are perfect for those who want to build their own telescopes or replace mirrors in older ones. Completed mirrors may be available with a true interferometric report from a 4D Technology Phasecam 6000, no terms cancelled, instrument calibrated with high precision reference spheres. For mirrors 16" diameter and under, please include $30.00 for this test. Watch; 18 INCH Glass Reflector Telescope Mirror Lens Optical Optics 1” Thick BLUE TINT. Ultra Grade �754, Mirror Sets (comprises circular primary and eliptical secondary) To buy - click on a price. A Premium, Light, Compact and Portable Design - About half the weight of traditional Dobsonian telescopes. 1/6 PV wavefront specification giving excellent images for any choice of subject. Pre-Owned. My finished 16-inch Dobson telescope. Watch; 18 INCH Glass Reflector Telescope Mirror Lens Optical Optics 1” Thick BLUE TINT. The first known practical telescopes were refracting telescopes invented in the Netherlands at the beginning of the 17th century, by using glass lenses. The concept for this 16" Dobsonian is a similar to that of my 22" Dob, except that it is of course smaller and somewhat simplified. Ultra Grade �1560, Secondary Size 63mm �90 Professional Grade �318 I try to roll it but about 2 years , i did hoist it in the back of my truck .. 30 years ago, that would been easy but at 70, (68 at the time), it was just about all I could do . Ultra Grade �270, Secondary Size 44mm �50 Ultra Grade �480, Secondary Size 50mm �60 1 4 2 3 4 .. Alluna Telescope-Systems. Telescope Specification: 16" Parabolic primary mirror ; Focal length: 1800mm, F/4.5 2 " Precision Micro 10:1 Crayford style focuser 2 " 35mm Eyepieces Extension tube 18 points mirror cell w/ 4.7" cooling fan. Fully assembled the UL16 weighs at about 60 pounds. The 36-inch scope is actually built and photographed, with delivery scheduled for this summer, although the 40- and 50-inch scopes still exist only as drawings. Research Grade �537 John passed away few months after he completed this mirror. OPT offers a variety of 16 inch telescopes for those who want to maximize their aperture and light-gathering power. The longest focal length our shop can accommodate is 112-inches. Go here for details . When compared to a 4" telescope, a 16" aperture has 16 times the light ga... 66F02752-8092-4859-B96B-3EE9425CA98F. I just pick it up and move it . Soda–lime glass. Research Grade �507 1/6 PV wavefront specification giving excellent images for any choice of subject. Get the best deals on Telescope Mirrors when you shop the largest online selection at eBay.com. Note: a Dobsonian telescope is a Newtonian reflector telescope (invented by Newton, of course) but mounted in a very inexpensive way. home 16 inch straight 16 inch lowrider. Secondary Size 75mm �114 Recommended Highest quality and years of experience in the construction of optical telescopes make Alluna Optics a worldwide leading manufacturer of high-quality telescopic systems. If one of our standard telescope mirror blanks isn’t exactly what you’re looking for, Advanced Glass can custom make a telescope mirror blank to your specifications. If one of our standard telescope mirror blanks isn’t exactly what you’re looking for, Advanced Glass can custom make a telescope mirror blank to your specifications. Welcome to Lockwood Custom Optics, Inc. Information / Contact: In-Stock Mirrors: Clients Projects: FAQ: NEW: Our Groups.io group Customer Comments History & More: Online Articles: In The Shop Each is Supplied with full Zygo interferometer report.These primary mirrors are expensive, they are also not recommended for just occasional star gazing. Menu ... Meade LX600 16-inch ACF; Attribute: Specification: Meade Product Code / sku : 1608-70-03: Universal Product Code (UPC) 709942999174 : Warranty: 1 year UK warranty by Opticstar Ltd on behalf of Meade Instruments USA: Series: LX600: Experience Level: Advanced: Clear Aperture: 406mm (16-inch) Focal … Secondary Size 63mm �90 Recommended ♦ clear aperture 16" (406 mm) ♦ 4060 mm focal length, focal ratio 1:10 ♦ resolving power 0.28" ♦ image scale 0.36°/in (0,14°/cm) ♦ primary mirror lock ♦ mirrors made of pyrex, Schmidt plate made of float glass ♦ only 67.2 lb (30.5 kg) tube weight ♦ only 33 in (84 cm) tube length Refractor Objectives. ... 16" f/5 Sandwich Parabolic Telescope Mirror . Mirror blanks are individually tested for internal strain. Parabolic Primary Mirror. The 16" LightBridge Deluxe Truss-Tube Dobsonian features a superior Meade quality multi-coated, diffraction limited 16" primary mirror, focal length 1829mm (f/4.5). Even though some builders prefer to buy commercial mirrors and fit them in a DIY structure, I believe that making a telescope mirror is probably the most rewarding part of the whole built. Highest quality and years of experience in the construction of optical telescopes make Alluna Optics a worldwide leading manufacturer of high-quality telescopic systems. Special telescope construction optical mirrors for research and technology. Note 8: Its much less expensive to ship a roll of bubble wrap twice across the country than to ship a wooden box. 16" Telescope Project Made with a little help from my friends. An ordinary jigsaw does a fine job at cutting circles, either freehand or with a circle-cutting jig, but a router produces the cleanest cuts. Coated with now world famous Hilux high performance coatings as standard. Ranging in aperture from 6” to 16” and offered in various f-ratios, these mirrors are made from optical grade BK-7 glass. Below is our selection of Telescope Mirrors available to purchase and a brief description of each grade's qualities. If memorable views of the night sky are on your agenda, I suggest taking a good look at the Apertura AD8 Dobsonian Telescope. It was purchased from a local ATM builder that had lost interest. 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. Brand New. The 16-inch (405mm) f/4.5 mirror is made of low-expansion glass, 43mm thick, and has a laser-engraved centre ring to help you collimate the scope before use.
Universal Washer Dryer Stacking Kit, Best Couple Name Letter 2020, Attika Silver Mine, Magneto Kicktail Cruiser Review, Ginger Spice Cookies, Shure Sm57 Microphone, How To Spot A Bad Egg In The Incubator, Lecom Interview Questions 2020,