20 inch telescope mirror for sale
 

All Rights Reserved. 5-Star Artificial Star: $19.95 (free shipping if ordered with system). We are the 100% user supported astro buy and sell marketplace. Precision CNC-cut Baltic Birch fabrication, The 2013 Staunton River Star Party Experience, Fantastic Experiences at the Staunton River Star Party, Astronomy Magazine Names Renegade 20 a Star Product for 2015. © 2021 Waite Research. Sorry, but It is not an option for UL20. Telescope MIrror Sets to purchase online. 4 Grades available: Standard, Professional, Research and Ultra. Waite Research has primary mirror blanks in stock and ready to begin polishing. – 20-INCH F/4.3 STARMASTER WITH ZAMUBTO MIRROR USED $6499US (Skies Unlimited) – CORONADO SOLARMAX III 90 F/8.9 SOLAR TELESCOPE – SINGLE STACK 30MM OPEN BOX $4,366.95US (OPT) – VIXEN/ORION VC200-L W/GP MOUNT USED $899US (OPT) Please specify your requested options in your payment for the deposit. A photo of me looking through a 20″ Dobsonian Telescope. Our mirror-making work relies on efficiency and efficiency these days means robotics. TelescopeTrader Classifieds is the #1 astronomy classifieds offering free ads since 2016. Parabolic Primary Mirror This 10-inch Dobsonian telescope is specially designed to provide you with the most beautiful view. Above: Sixteen inch mirror cell with optional knurled brass collimation knobs. The shipping cost will be different for other countries. Its tension, the pressure on the drawtube, is preset to a very reasonable level, but adjustable to lock heavy equipment in place if desired. Please note that the 60 days delivery is the estimated production lead time only which does not include shipping transit time. The mirror quality is excellent...", Wanted to take the time and say thank-you for the excellent 20" f4.2. Fullum-folded Newtonian®: For the large telescopes of 30 inches and more, Optiques Fullum developed a unique “Fullum-folded Newtonian” structure. The focuser has 50mm of travel distance. The UL20 has an extensively modeled and optimized 18-point flotation system that provides more than adequate support for the sandwich mirror. For the best experience on our site, be sure to turn on Javascript in your browser. Click here for the instructions manual PDF - the Guide and Setup Process. There will be $15 additional charge for the surface delivery, or $25 additional charge the air delivery. Peter designed my telescope so it could see over the walls when they were folded down. With ever- changing temperatures during observing or imaging, your thick and solid mirror may never reach equilibrium, and never reach its full optical potential. $2,797.50 (f/3.7), $2,397.5 (f/4.2) deposit at the order time, rest, including options and shipping will be paid before the delivery (about 60-90 days after the deposit) via a Paypal invoice. Fully assembled the UL20 weighs at about 90 pounds. With about 50 videos on mirror making and telescope building, Gordon's YouTube channel has accumulated over 2,400,000 views! With our unique two-section truss tubes for f/4.2 (one section truss for f/3.7), f/4.2 is just as portable and strong as f/3.7. The main issue is "mirror seeing," the turbulence seen through the eyepiece of the telescope when the air above the mirror is different from the mirror itself. Although a 16" telescope is twice the size of an 8" telescope, it has four times the light gathering 20" F4.5 Mirror Fabrication 15" F4.5 Telescope Mirror 20" F3.0 Project "J" Blog 2013 08 Here is the Waite Research Blog Our Partners Considering Imported Mirrors Picture of the Day Added 09 Enjoying the Black Forest Star 10 A coma corrector is required for the UL20 f/3.7. 16 Inch Telescopes OPT offers a variety of 16 inch telescopes for those who want to maximize their aperture and light-gathering power. Our sandwich mirrors reach equilibrium extremely fast, and without any external disturbing aid. nnovative telescope design and optics offer exquisite night views of Saturn, Jupiter, and the moon, as well as open clusters, nebulae and galaxies. Wow is this mirror smooth and precise! * Shipped via Fedex, the exact cost depends on your specific address. Renegade telescopes include premium, Waite Research mirrors, top-end Starlight Instruments Feather Touch focusers, Moonlite truss poles, and light-blocking fabric cloaks. You simply do not need one for our thin solid mirror! Rich Mitchell is holding the secondary mirror, Hiroaki with his UL20. In this configuration a parabolic primary mirror with a very short focal (F/3.5-F/4) is coupled to a secondary mirror placed much lower than normal, which will redirect the optical axis at a 17.5-degree angle instead of 45 degrees. Our mirror optics are primarily used in all telescopes produced by us as well as many custom telescope systems worldwide. Focal length : ~1880mm (f/3.7), ~2134mm (f/4.2), Eyepiece height at zenith: 1745mm (~69 in, f/3.7), 2000mm (~79 in, f/4.2), Optical quality: Diffraction limited++ (Strehl 0.95+ for the primary mirror, 1/10 lambda or better in PV for the secondary mirror), Focuser: 2" dual-speed linear bearing Crayford, Secondary mirror obstruction: 100 mm (f/3.7), 90mm (f/4.2), Secondary mirror obstruction by diameter: 19.7% (f/3.7), 17.7 (f/4.2), Secondary mirror obstruction by area: 3.9% (f/3.7), 3.1% (f/4.2), Mirror coatings/over-coatings: 96% Enhanced coating on both of the primary and secondary mirrors. Optional digital setting circles and motion control are available at additional charge. The entire systems can be assembled easily and quickly, as little as a few minutes. 4.0” (f/3.7) secondary mirror. Truss Tube Carry Bag: $50 (f/3.7), $60 (f/4.2). The three-point Push-Pull collimation system is completely independent from the sling lateral support. The illuminator screws into the end of the finder and can be removed easily to change batteries. Prices: (f/3.7) is $5,595- (f/4.2) is $4,795. Learn more, Hubble SiTech and SkySafari based GOTO: $1,495, Simply the most powerful GOTO system at an extremely affordable price. Simple, effective, and easy to adjust 1 x Red Dot Finder scope. I counted 26 galaxies in NGC 507 group at 200x in Pisces-Andromeda border. Enter the Email associated with your account, then click Submit. Had one chance to see Saturn low in the sky, in September with stable seeing conditions. Made from the top quality Nylon/Lycra blended materials, it is one of the options you would really like to have. For more information on Waite Research premium mirrors and telescopes, please email or give us a ring. Renegade telescopes include premium, Waite Research mirrors, top-end Starlight Instruments Feather Touch focusers, Moonlite truss poles, and light-blocking fabric cloaks. . I'm using a Denkmeier 2 binoviewer and 3 power switch and A45mm OCS -1.2x 1.8x 2.25x with 24mm panoptics (107x 160x 200x ) and 35mm Baader eudiascopics I special ordered from Germany, just for this scope. Please note that some counter weight (real and/or a virtual spring counter weight) will be required for f/4.2 at the bottom, which is NOT provided, Bruce's customized UL20. Options are optional add-ons that can be specified EITHER on the paypal special instructions section during payment OR - after payment - in an e-mail to: Our sandwich mirror technology has been used to manufacture research-grade optical elements and proven by over a half dozen years of successful applications at research facilities such as NASA, California State Polytechnic University San Luis Obispo, for the US Army, and in amateur telescopes around the world. Optional digital setting circles and motion control are available at additional charge. Click here for the UL20 dimensions when folded. The deep red illumination can be adjusted for brightness. Completed with deluxe and environmentally friendly black powder coating, it is such a pleasure to look at, not to mention the enjoyment to look through. Uranus is finally getting higher, to chase good seeing. ZWO ASI1600MM PRO $100 SAVINGS! 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 4.6 out of 5 stars 1,232 Also color is brilliant as blue-greens are in planetary nebulae with this mirror ! Our innovative telescope design and optics offer exquisite night views of Saturn, Jupiter, and the moon, as well as open clusters, nebulae and galaxies. ZWO Filter Savings! Both f/3.7 and f/4.2 will provide you the excellent views. Charlie is holding the camera. Each mirror is aluminized and hard overcoated with a protective overcoat, ready for placement in the telescope tube. Prices start at $5,800. Introducing CEM26 and GEM28 iOptron Mounts! It has almost 50% less coma than UL20 f/3.7; a coma corrector will still be helpful, but many people may live without it. A complete protection for your scope not only in the storage but also in the field. GSO Parabolic Primary Mirror - 10" f/5 JavaScript seems to be disabled in your browser. Design by c5mix   |   Powered by concrete5, Premium, hand-figured telescope mirrors and innovative telescope. You don't need it if you store the scope in a luggage case or the custom made backpack. Please understand the surface shipping is a great value, but may take more than additional 10 weeks for the delivery. UL20 will be shipped in 6 boxes: the main structure 1 & 2, the truss tubes 1 & 2, the accessories and the primary mirror. Prices start at $5,800. Related Products Meade 16 Inch LX200-ACF Advanced Coma Free OTA w/UHTC Coatings w/o Tripod $8,099.00 If you are thinking about moving up to a large aperture telescope mirror, we have a new Waite Research premium 20" mirror just for you. For the best experience on our site, be … At the end, it is really your personal preference. The smaller stainless steel focus control adjusts focus at a rate 8 times finer than the larger focus wheels. As said above, many optical sets above are available for sale … It also comes with a real mirror box for easy and safe mirror protection and transportation. Vixen Clearance - Save 20% or More! It has 8 rigid truss tubes and extremely strong and portable folding ALT bearing structure. Celestron - NexStar 8SE Telescope - Computerized Telescope for Beginners and Advanced Users - Fully-Automated GoTo Mount - SkyAlign Technology - 40,000+ Celestial Objects - 8-Inch Primary Mirror 4.5 out of 5 stars 671 Battery or AC Power with 12vDC 17 amp-hr rechargeable gel-cell batteries, 12vDC cigarette lighter adapter and 110vAC/60Hz or 220vAC/50Hz (specify) wall transformer. This 8-inch reflector telescope comes on an equatorial mount that allows you to keep the telescope fixed on the desired celestial object. Machined with Computer Numerical Control (CNC) technology and hand fitted to assure proper fit and finish. Login. Contact gordon@waiteresearch.com for mirror sizes and free quotes. Mirror Cover: $55 (free shipping when ordered with the system), A very nice and strong plastic mirror cover, Hubble SkyHub Wireless Digital Setting Circle: $199 + $45 S&H (Special offer when ordered with system), Breakthrough Wireless Digital Setting Circle with revolutionary high resolution, low power consumption ball bearing encoders at an inconceivable special price! A 20-inch telescope mirror for sale will collect 6.25 times more light than an 8-inch telescope mirror will. The brightness of the reticle can be adjusted, which is nice when you are searching for fainter objects. Ground board and rocker box are in the background. In fact I can get down to within 7° of the horizon with half of the mirror (half of 28” is 14” and that’s still pretty good) although I tend not to look so low. Stellar Cat and Argo Navis Computer Systems for "Go-To" computer control. Premium Waite Research primary mirror, Precision CNC-cut Baltic Birch fabrication, Waite Research 18-point mirror cell, Starlight Feather Touch 2" focuser, Moonlite truss poles & blocksVelvet-lined upper cage, Fitted fabric light-blocking shroud, Telrad reflex finder. 0.9m (35.5"), slid-on round cushioned grips, made of vinyl foam, they insulate, cushion vibration and protect the truss tubes. In addition, with its fast focal ratio mirror, the We’ll view everything from planets to distant galaxies using our 20-inch and 16-inch Ritchey-Chrétien telescopes from RC Optical Systems. Looking forward to seeing the pink rim in IC 418 this winter. 20 Inch Dobsonian Telescope Looking Through a 20 Inch Dobsonian Telescope! 8 x 50 Straight Through Illuminated Finder Scope with Brackets and Dovetail: $100. It will totally eliminate the often-found potato chip astigmatism introduced by sling belt when using the simple 3 pivoted bolts collimation system. ZWO Sale William Optics Holiday Special Eagle4 Release! Learn more. Contact gordon@waiteresearch.com for mirror sizes and free quotes. If you've read enough, and want to just know how to buy it already, then click below! Free shipping when ordered with the system. Email gordon@waiteresearch.com to learn more about Renegade telescopes and premium optics. With the special introduction offer, you save $1,300 over UL f/3.7! Click the button below to add the Meade 20" MAX2 Advanced Coma-Free with German Equatorial Robotic Mount and Tripod to your wish list. The shipping cost will be $70 for the surface delivery and $100 for the air delivery, for US. World class optics. Why is thermal equilibrium so critical? Zambuto Optical Company is a full service custom manufacturer of premium Newtonian primary telescope mirrors from 7" through 24" diameter. A top quality 50mm achromatic finder offering an inverted and reversed image, perfect for Newtonian Telescope. The heaviest component of the UL24 is the primary mirror, which weighs about 30 kg, and the entire telescope is only about 70 kg, which is remarkably light for a 24-inch telescope. 20-inch Starliner Cassegrain-Newtonian Reflecting Telescope. 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 strong stainless steel handles, two top quality 6" pneumatic tires with ball bearing. Euphoria Nautical Spyglass Telescope Brass Pirate 10 Inch Double Barrel Maritime Antique Style Telescope With Wooden Tripod Stand 4.4 out of 5 stars 4 £35.00 £ 35 . Waite Research is building Renegade telescopes with premium primary mirrors 10" and up. Mirror box, cell and 1 5/8" 20" mirror weighs 55 pounds, and about 60 pounds with the bearings. The optimal 96% Enhanced coating has multiple over-coating of precision controlled dielectric layers to maximize the reflectivity and provide excellent chemical and mechanical protection for the mirror coating. The site where the scope is, is dark and the deep sky views outstanding! Where I am located south-west of Buffalo NY near lake Chautauqua, mostly have the jet stream overhead and never have stable seeing, except in the summer months. Special Notice- We want to let our customers know that during this timeframe we continue to do business as usual. No ladder is needed for most people; while you may need one-step ladder for an f/5 when close to zenith direction. Hubble sandwich mirror’s open core and close back design not only allows air to circulate through the mirror, but also provide the maximum structure strength to allow a simpler mirror cell design. Matthew Nelson (left) and colleague with a UL24 at the NASA MU69 mission in 2017, UL18 on the Cover of Astronomy Technology Today, Hubble Optics contributed a 40" Hubble Sandwich Mirror to the NASA SpaceX Falcon9 CRS-11 mission. Alluna Optics manufactures high-quality mirror optics and optical systems up to a diameter of 820 mm from borosilicate glass or glass ceramic Zerodur. Sales & Offers! Primary Mirror Dust Cover. GSO 12" f/5 Parabolic Primary and 70mm Secondary Telescope Mirror Set JavaScript seems to be disabled in your browser. 00 So while designing and adding a new overarm to one of our mirror polishing machines, we decided to push the envelope. Enhanced Coating - The state of the art 96% Enhanced Coating on the primary and the secondary mirrors. Sharper images. For EU customers, please contact Astroshop EU for their wonderful services: For Japanese customers, please contact Kokusai Kohki and Astro Street for their wonderful services: To see our listings of already stocked (miscellaneous) items, please visit our E-bay, by clicking here, The SpaceX Falcon9 CRS-11 mission launched on Jun 3, 2017, A quantum leap in optical performance - the UL 20 Truss Dobsonian telescope's huge 20" diameter primary mirror gathers more than 6 times more light than popular 8" reflectors or almost three times of the light grasp of a 12" telescope, A Premium, Light, Compact and Portable Design - About half the weight of traditional Dobsonian telescopes, Outstanding Images - Premium quality, diffraction limited Newtonian optical systems will deliver stunning views of the heavens from dark sky sites, Light, Strong, Compact and Extremely Portable - The Hubble UL20 features a precision-machined all-metal construction.

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