16 inch meade telescope for sale

We have never heard of a 2"-22 SCT thread (even a 25-year Meade veteran on our staff was not aware of different threads being used). For the best experience on our site, be sure to turn on Javascript in your browser. 1 day ago. Table 1 – The most common threads used in amateur astronomical equipment, in order from smallest to largest thread diameter. You might encounter these in equipment from manufacturers of more specialized equipment. If you’ve only just found out about the Nightly Observing Program, please consider joining the nearly 7000 people each year who experience the thrill of an evening on Kitt Peak. The barrel of that eyepiece almost certainly is threaded to accept a threaded filter cell. Optical Design: Newtonian Reflector ; Telescope Aperture: 406mm (16") Focal Ratio: f/4.5; Telescope Mount Type: Dobsonian; Type of Electronics: Manual Mount - No Electronics; Free shipping . Meade telescope refractor reflector eyepiece Research Grade 10.5mm ortho box . Lastly, there are telescope eyepieces available that have a hybrid 1.25 and 2 inch barrel, which means they will fit into either size focuser or diagonal. Astromart.com is the leading portal for astronomy news, classified ads and telescope reviews. Each thread has two main specifications: the diameter and the thread pitch (for metric) or thread count (for UNC). I was able to 3D print a part to meet my needs. Leave us your email, and we’ll let you know when this item is back in stock. 16” (400mm) diameter, 1800mm focal length, f/4.5 focal ratio with surface accuracy of 1/12 wave. $1,335.00. FREE delivery: Nov 10 - 16 . Meade 16" Lightbridge Dobsonian Telescope $1,050 (Parker ) pic hide this posting restore restore this posting. A 40mm eyepiece on the AT72EDII will give you a 6.67mm exit pupil, larger than most eyes can dilate. Used Meade StarPro AZ 80mm f/11.3 Doublet Refracting Telescope UT-15474. Modified HO 14 inch f/4.6 . I have a hard time picturing a tap and die with that large of a diameter but that small of threads. Meade SCTs of 12" and greater aperture use 3.25"-16 threads. Baader Visual Filters 12; Baader Eyepieces 1; Bob's Knobs. This guide explained the basics of astronomy threads to help you make informed buying decisions as you plan to acquire new equipment or make the most of the equipment you already have. To see objects through a telescope it must be pointed to exac.. £42.00. Used for the thumbscrew found on a few astronomy accessories. This telescope is from an estate sale. if(sWOTrackPage)sWOTrackPage(); Section 3 has more details and specifications for threads that will help you better understand UNC and metric thread configurations. If you update the article, one thing I think should be added is explaining how SCT threads are odd, compared to the most threads. With an enormous 16" lens and the accompanying state-of-the-art technology to support its capabilities, this scope is a dream come true for all astronomers who want something extraordinarily powerful. Celestron Ultima 100 w/22-67x Zoom Spotting Scope $ 849 $ 799 Add to cart; Microscopes; Mounts & Tripods . favorite this post Oct 15 2018 Jeep Grand Cherokee 4x4 4WD Limited SUV $35,900 (Se Habla Espanol seattle ) pic hide this posting restore restore this posting. or Best Offer. Sold Out . It is in excellent condition and has just today been serviced, cleaned and collimated by Steve Collingwood of SC Telescopes. According to the jury’s verdict — linked to from Orion’s website — Meade owes the retailer at least $16.8 million. Meade ETX-90 telescope w/ eye pieces & T-mount camera adapter. $69.99. This standard is common throughout the world, though it is less common in the U.S. Astronomy components manufactured outside the U.S. usually use this standard. This standard also specifies coarse(UNC) and fine(UNF) threads. Excellent .. now cross reference it with popular camera threads: In order to save this outstanding article in pdf form, I did the following: I am viewing the article in Firefox on a Win 10 PC. Skywatcher SynScan Wi-Fi Adapter. One week into this and I had so many questions that are now answered by this incredibly informative article. Meade LX850-ACF 16 Inch f/8 Optical Tube Assembly with UHTC - 1608-80-01. This type of telescope is the most common and is widely regarded as the easiest telescope to use, due to its similarities with binoculars. For example, a common project now is to try and convert a 50mm Celestron straight-through finder into a camera guidescope. ALEKO WPG04 Ultimate Swingset with Canopy, Slide, Climbing Wall, Hardware Sales Surplus Items at Bellingham Public Auction, FOR SALE PORTABLE OBSERVATORY for EARTH AND SKY, Polaris 60EQ-SD: 2.4" (60mm) Equatorial Refracting Telescope, iOptron SmartEQ Pro Portable Telescope Mount & Tripod, Orion 80ed f/7.5 APO Astrophotography Telescope Package, Replacement Float Arm for Spring Creek Stabilizer float unit, 2019 DODGE CHARGER SRT8 HELLCAT 707HP REDKEY 1OWNER LIKE NEW, 15 thru 20 F-150 OEM Power tow mirrors for XL & XLT, Spotting Scope Celestron (52270) 102mm Wide View, 2015 Jeep Grand Cherokee Diesel 4x4 4WD Limited SUV. GEOGRAPHIC 50/600 AZ Refractor Telescope Tripod Base Yellow - Currys. Not a standard thread on all Maksutov telescopes. Selling my excellent Meade 16 Inch F/4.5 Dobsonian Telescope (Newtonian Reflector) It has MgF2 coatings, Duel speed 2" Crayford style focuser with fine focus 10:1 speed reduction, metal (aluminum) open truss design optical tube assembly, 16 inch mirror, focal length 1829mm, focal ratio f/4.5, resolving power (Dawes limit) 0.285 arcseconds, red dot view finder, OTA Fan (8XAA batteries) … At 3.8x per inch of aperture, this is very close to the 4x per inch of aperture generally regarded as the lowest practical power with any telescope. Just over 31% OFF … While 1.25"=31.7mm, the actual thread diameter is 28.5mm. I have installed CutePDF as a printer type. 4.5 out of 5 stars. 90mm by 1000 mm focal length.full instruction manual available to download, see final photo. Losmandy style dovetail for fast and easy attachment to your choice of mount. Judging by its condition, it may not have been used more than once or twice. From an engineering point of view, there are many specifications that go into designing and manufacturing a thread. Thanks for pointing this out Mike. Found inside – Page 24Thanks to the Taiwanese and Mainland Chinese telescope factories, nicely priced motorized equatorially mounted ... at the very low prices Meade asks for these scopes (845 U.S.$ for the 12.5-inch f/4.8, and 1,245 U.S.$ for the 16-inch ... This standard is common in the U.S. and a few other countries. You can find it at your local hardware store. It comes with a tube ring and a bracket so it can be fitted to a 10 inch telescope tube. Be the first to review this product. For Sale: Active: Orion Padded Telescope bag for 10" Sky-Watcher Collapsible Dobsonian: $135: 2021-11-03 21:12:19 : Edmonton, AB: 60648: For Sale: Active: Canadian Telescopes 102mm Scope & Porta II Mount: $425: 2021-11-03 20:53:49: north bay, ON: 60647: For Sale: Active: Baader 2” Cool-Ceramic Safety Herschel Prism Photographic version (HERSCH-P). 9 Speed Motor Drive Auto Star - Never Used. The azimuth ring is 18" in diameter, and very low profile, being only 1/2" in height. We've detected you are using a browser that is missing critical features. £1100: 2021-11-05 18:33:16: Dereham, Norfolk, England I talked to the manufacturer of the Antares f/6.3 reducer, and physically took it to the shop (Richmond, BC, Canada). Very useful article. NAT. Used Unistellar eQuinox Smart Telescope UT-15469. Determine the thread pitch with the use of a pitch gauge. Some still refer to UN threads incorrectly as American threads. There are also many adapters for this thread to help mate T/T2-threaded components to other astronomy threads. Used early model 14" Meade LX200 GPS Schmidt-Cassegrain telescope in excellent condition, local sale only. A somewhat less common but equally frustrating issue occurs when threads that should match do not. Used Meade LX200 ACF with super wedge, 2-inch diagonal upgrade, Bob's knobs and JMI hard case, all in very good condition. Schmidt-Newtonian telescopes (6 to 10 inches). It will thread onto a modern SCT visual back, but not my 2080. Variations in thread pitch adopted by different manufacturers, manufacturing variations and tolerances, and thread mismatches are a huge source of frustration among amateur astronomers, vendors, and dealers. Sold Out Sold Out - No ETA Available - Not Accepting Back Orders At This Time. The Meade 07584 Universal AC Adapter for EXT-90 and Newer Telescopes is ideal for use with the Meade 10, 12 and 14-inch ETX-PE and AT, LS, LT, LXD, LX, RCX/LX400 and MAX mounts. Thank you for the work! While the price might seem high, you can get your Meade 16-Inch LightBridge (f/4.5) Truss-Tube Dobsonian on sale at a great discount here. While the vast majority of astronomy manufacturers have now settled on a 0.75mm pitch, a few (most notably, Orion) use a 0.6mm thread pitch. Made in U.S.A. C $141.93. Meade LX85 Refractor Telescope, 5in, Optical Tube Assembly Only, 217020. Later sections will go into more detail about these and other threads used in amateur astronomy. You must enable JavaScript to use craigslist. Our shop offers you comfortable online shopping, fast delivery times and very good service even after the purchase. The store will not work correctly in the case when cookies are disabled. Sorting out which type of thread is which, and which component fits into another, can make it difficult to find and order the right parts and make sure they all fit together. For astronomy end users, however, the key specifications are as follows: The drawing in Figure 2 below shows the definition of these specifications. DRIZZLE STIK FLEX GOLF UMBRELLA FOR YOUR CLUBS! Checking 'include nearby areas' will expand your search. Few local results found. RS232 MEADE ETX TELESCOPE PC SERIAL CONTROLLER CABLE. Joined: 29/03/2014 - 16:05 . How are these tiny threads cut, for example, a 48mm x 0.75 tube? Or which threads do you need for accessories or modifications for your current gear? A is the nominal thread diameter and B is the thread count or pitch. Also found onsome drawtubes, reducers, flatteners, off-axis guiders. $35,900. The same problem happens with many old C90 Celestron spotting scopes that do not use the same thread pitch as the newer 1.375"-24 scopes and accessories. #telescope. Shopping Meade 16-Inch LightBridge (f/4.5) Truss-Tube Dobsonian with us, We guarantee 100% customer satisfaction. Is there a way to download this article in PDF format? Meade 10 Inch LX90-ACF f/10 Advanced Coma-Free Telescope Kit w/UHTC (w/o Std. $0.35. It may save you a lot of time and headaches over the long run. I had also purchased a 2" T-adapter from Antares, so I unscrewed the 2" eyepiece barrel from the T-adapter body and attempted to thread it into the SCT threads on the reducer ... it was a perfect fit. Telescope Service is one of the leading astronomy Dealers in Europe. Found on the rear cell of the SCT and on focal reducers and adapters. Found inside – Page 3816 - INCH MEADE LIGHTBRIDGE DOBSONIAN Order Now ! ... It's a big telescope that goes anywhere . ... dobs give you high quality Meade optics , premium components , and ultra portability — all for about the same price as an ordinary tube ... $110 Anthony A Meade LS-8 Telescope and Tripod $2,100 Gabriel L Orion XT10 $650 George D Celestron … If you're unsure of the thread, you can follow these steps to try to identify it: When you measure the diameter of a male thread with a caliper, you are measuring its major diameter. Thanks again! The original owner purchased it without realizing how large and heavy it was. Found on Meade ETX telescopes from 90mm to 125mm in aperture, on Celestron Nexstar 4SE telescope, on some Celestron C90 spotting scopes, and a few other small Maksutov-Cassegrain telescopes. Optical length of parts on most threads are measured from the shoulder, the bearing surface that expands below male threads or the edge of female threads. In this video I take you on a tour of the Meade LX90 12" ACF Telescope system. We chose this telescope as the best budget dobsonian telescope because of its high quality build, accessibility, and of course it’s affordable price. K20 giving magnification x 5 Vernonscope, which makes Brandon eyepieces, uses a XX"-32 thread for their filters and eyepieces, and offers an adapter to thread the more common M28.5x0.6 filters onto Brandon eyepieces. Thank you both for a PSA that has literally preserved my sanity. CANON 18 x 50 IS AW Binoculars - Black - Currys. 7e-12 erg cm^-2 s^-1. Showing 1 to 15 of 16 total. As low as … As a result, modern-day SCT accessories will not thread on to these oldest Celestron scopes. This term is really a misnomer since this is technically not a T (42mm) thread. He achieves this through a series of worked examples and short project walk-throughs, detailing the equipment needed – starting with just a DSLR (digital single lens reflex) camera and tripod, and increasing in complexity as the book ... Some third-party vendors make focusers and adapters for one size or the other. All rights reserved. Click on the image to download a high-resolution version M92 is missing from the table. A major feature of this book is the way it compares not only different classes of refractor, but also telescopes of each class that are sold by various commercial manufacturers. Meade and Celestron scopes with 3.25" or 3.28" threads come with a reducing adapter to convert the larger thread to the smaller 2"-24 TPI male SCT thread so they can be used with smaller external focusers or accessories. The 16" LightBridge Truss-Tube Dobsonian features a superior Meade quality multi-coated, diffraction limited 16" primary mirror, focal length 1829mm (f/4.5). favorite this post Oct 16 2018 Dodge Challenger R/T Plus Coupe $0 (((Titus-Will Toyota)) tacoma / pierce ) pic hide this posting restore restore this posting. Very common in astronomy on barrels of 1.25" eyepieces and 1.25" filters. How to Identify Thread Types on Your Astronomy Equipment, Barlow Lenses / Focal Extenders and Focal Reducers. No Ratings Yet. Meade Instruments 1010-60-03 LX200-ACF 10-Inch (f/10) 145K object Database Advanced Coma-Free Telescope with Autostar II Hand Controller 3.0 out of 5 stars 13 2 offers from $6,599.99 However, these focusers usually work with the smaller 3.25" Meade thread without trouble, especially if the threads on the Meade scope are shimmed with a couple of turns of Teflon plumbing tape to ensure a good fit. These threads are commonly found in security and many video cameras and lenses. CutePDF then asks you where to save the pdf file. 16 Inch Telescope images, similar and related articles aggregated throughout the Internet. Found inside – Page 64SkySwap FOR SALE : Complete set of Meade research - grade Orthos with screw - in nebula filter included ... FOR SALE : Cave 10 - inch f / 16 Cassegrain with mount , drive , and slow motion on declination ; three finders – 60mm guide ... Found inside – Page 8016 - H . P. Gaar- two 56 inch , 8x10 ; one 60 inch , 8x10 ; FOR SALE OR TRADE - A two - seated Scott single cylinder engine ... address Claude Drake , Meade , second - hand automobile for sale or trade , feeder and Telescope weigher . Open Box Astronomik H-alpha 12nm 50mm Square Filter UT-15451. $50. This list is long, but by no means exhaustive! Buy telescopes and telescope accessories at Astronomics. Observe the sun! On the bottom of nearly all DSLR cameras (and many point-and-shoots), there's a female ¼"-20 socket for threading on to a photo tripod or piggyback mount for your telescope. It also includes the 26mm Series 5000 eyepiece which is superior to what is included today. Very common in astronomy on 5" – 10" SCTs from Meade and Celestron (except for the 9.25" Edge HD OTA). SPONSORED . Dobson's telescopes featured a simplified mechanical design that was easy to manufacture from readily available components to create a large, portable, low-cost telescope. What is Light Pollution in Astrophotography? £49.99 (£49.99/Unit) Unit price: £49.99 per Unit. Found inside – Page 35Spiral galaxy M63 is captured by the AOP's 16 - inch Meade telescope on the left , and Kitt Peak's 36 - inch professional telescope on the right . Thanks to the magic of modern image processing , CCD images taken through small amateur ... 5 bids. SKU: 20318. Used for the thumbscrew found on many accessories such as diagonals, barlows, etc. ISO Metric threads have dimensions specified in millimeters. The thread specification for C and CS is the same. favorite this post Oct 15 2018 Jeep Grand Cherokee 4x4 4WD Limited SUV $35,900 (Se Habla Espanol seattle ) pic hide this posting restore restore this posting. Because of the RCX400's shorter focal length, it covers a 22 percent wider field than the LX200. Manufacturing threads is precision undertaking, so you might think that mating two threaded parts with the same diameter and thread pitch would be a slam dunk. Serves as a useful reference guide to stargazers around the world. Qty: Qty: 1 $ $1,199.00 1,199 . So try attaching a 2" filter to the rear of the finder tube to see if it is M48x0.75. AU $25.95. Changes have been made to Table 1 and Sections 4.3.3 and 4.3.4 accordingly. It just goes to show that no brand, manufacturing country or price point is immune from such issues. Found inside – Page 51... to 16 inches and with prices in excess of $4,000) are Astro-Physics, Orion UK, TEC (Telescope Engineering Company), ... In 1980, Meade introduced its own extensive line of Schmidt–Cassegrain telescopes, beginning with an 8-inch and ... … Useful for heavier cameras and lenses. The thread is actually 2.75", not 2.7". For Sale: Meade 14inch LX200R OTA . A few manufacturers sometimes use a 1.25" filter thread with different specifications. The difference in off-axis performance of Meade's 12-inch RCX400 (top) and LX200 Schmidt-Cassegrain telescopes is apparent in these 5-minute exposures of M27, the Dumbbell Nebula, made with an SBIG STL-11000M CCD camera. The price also includes: … User-Friendly Features. As a machinist by trade I have always been frustrated with the lack of standardization of filter threads, especially. 2013 Dodge Charger - Financing Available! The 106 uses three major thread sizes, M54x0.75 [Takahashi's wide mount (WM) / Wide-T thread], M72x1.0 and M92x1.0. Paramount Tripod; Losmandy EQ Mounts; iOptron. Shop our extensive selection of products … 2005 Chrysler Town and Country Limited LOADED! ; LightBridge Dobsonian telescopes (currently 8, 10, 12 and a 16-inch model); Meade Model 4504: 4.5" (114mm) equatorial reflecting telescope; GoTo telescopes. It fits into my Honda Civic with minimal disassembly. favorite this post Nov 2 RUSSIAN MILITARY SPOTTING SCOPE TELESCOPE $130 (LITTLETON ) pic hide this posting restore restore this posting. Compatible with LX200 Telescope; Attaches easily to the factory-prepared tube of your telescope; No drilling required; For all Meade 16″ Scopes 4.8/5. Celestron's 9.25" Edge HD OTA (only) and all other SCTs of 11" and greater aperture use 3.28"-16 threads on the rear cell and for accessories. They are also called "C threads" or "CS threads". There are lots of telescopes out there in the market. Determine the thread pitch with the use of this. C-mount and CS-mount lenses mount 17.5mm and 12.5mm in front of the sensor, respectively. LibriVox is a hope, an experiment, and a question: can the net harness a bunch of volunteers to help bring books in the public domain to life through podcasting? The back of the Orion 9x50 correct-image finder is apparently M51x0.75mm for those interested in converting to a guide scope. The Subaru EJ204 was a 2.0-litre horizontally-opposed (or 'boxer') four-cylinder petrol engine with double overhead camshafts. 2015 Jeep Grand Cherokee 4x4 4WD Limited SUV, 2016 Dodge Challenger R/T Scat Pack Coupe Challenger Dodge, 2021 Jeep Grand Cherokee L 4x4 4WD Limited SUV, 2020 Jeep Grand Cherokee 4x4 4WD Limited SUV, 2019 Jeep Grand Cherokee Limited 4x4 4WD Four Wheel SKU:KC772572, 2016 Jeep Renegade Sport **Jetset Blue** 22k Miles 6 Speed Manual, 2019 Dodge Challenger SRT Hellcat Redeye Widebody Coupe. 9 Speed Motor Drive Auto Star - Never Used. Quick view. Manish Panjwani has been an active amateur astronomer since before Halley's Comet last flew by our neighborhood. Despite its name, this is not a standard thread on all Maksutov telescopes. This thread is very common in astronomy because of the immense popularity of Schmidt-Cassegrain telescopes of 5" to 10" aperture from Meade and Celestron. William Optics and Baader Planetarium, for example, make external focusers with a 3.28" thread to fit the larger Celestron scopes. It explains everything you need to know about the configuration of astronomy threads to help you make informed buying decisions as you acquire new equipment or make the most of what you already have. Meade Telescope ACF-SC 203/2000 UHTC LX200 GoTo without Tripod $ 4,420.00 ready for shipping in 24 h. Meade Telescope ACF-SC 406/4064 16" UHTC LX200 GoTo without Tripod $ 22,700.00 ready for shipping in 24 h. Products 1 - 12 of 14 . A webcam thread is officially called an "S thread," but few in astronomy use this term. Get it Tomorrow, Sep 30. In general, M1 is slightly larger than M2, Thread pitch: The distance between the threads (a common specification for metric threads), Thread Count: The number of complete threads per unit length, usually per inch (a common specification for UNC threads), Thread undercut: A narrow unthreaded portion on a bolt, screw, or adapter before the thread starts, Thread length: The length of the thread including the undercut, Determine if the thread is male or female (by visual inspection). This should be corrected to include the 9.25", which uses the same size threads on the rear cell as the 11" and 14". Found inside – Page 71Meade's telescopes range in aperture 7.0 7.7 7.4 1. V 02/28/01 22.8 35.6 42.4 22.2 123.0 Other 4.1 4.0 3.8 from two inches to 16 inches , and in retail price from less 02/28/02 16.1 27.1 35.4 16.1 94.7 | Total Assets 64.1 76.5 81.6 than ... Older Celestron SCT telescopes manufactured in the late-1970s and early-1980s use an SCT thread with a different pitch than 2"-24. $785.00. Hot-14 %. Issues with other threads are generally encountered less frequently. Found inside – Page 98386-SX 16MHz Computer with 40MB Hard Drive and 14" Color VGA Monitor • Intel 386-SX microprocessor, operating at 1 6 MHz with zero ... Retail: $1 ,799.00 DAMARK PRICE *999 99 Meade 675 Power Equatorial Refracting Telescope • 675 power. Add To Cart. Atik CCD Cameras 16; Atik CMOS Cameras 10; Atik Imaging Accessories 17; Baader Planetarium. Sort By : Telescope Eyepieces. $20. Page 20 of 30 - Craigslist,eBay and other vintage/classic telescope ads - posted in Classic Telescopes: The feedback is real, but that sellers account has been hacked. Quickview. It will help you get oriented, and it may answer many common questions about thread configurations. Found inside – Page 142Call l-800-62-MEADE for a free copy of Meade Telescope Catalog #187 or for a dealer location near you. ... but it has only a 550MHz CPU, a 17-inch monitor, a 16MB graphics card, and a disappointing generic-brand speaker combination. This telescope is optimized for USA 120-volts/60-hertz of power. As a result, modern-day SCT accessories will not thread on to these older Celestron scopes. Found inside – Page 87Price: $1575; weight: 300 lbs. ... found at this price 70X, 100X, 140X, 200X Ramsdens 8X 30 Choice of three from:7 - Least expensive of the four six-inch scopes offered by this firm 50X, 110X, 220X, 315X 6X 23 48X Kellner, 96X Rams- 2X, ... Best Portable 12 Inch Dobsonian Telescope Meade Instruments Lightbridge Plus Truss-Tube Dob. Meade SCTs of 12" and greater aperture use 3.25"-16 threads. This was selected based on their measurements of hundreds of other M48 threaded accessories on the market, and which they believed would therefore increase the chances of their products being compatible with the largest number of non-Baader items. – MEADE 13.8MM PLOSSL EYEPIECE USED $85US (Woodland Hills Telescope) – MEADE 18MM SUPER WIDE ANGLE 1.25″ MULTI-COATED EYEPIECE USED $79.99US (Woodland Hills Telescope) – PRIMALUCELAB 25MM PLOSSL EYEPIECE USED $29.99US (Woodland Hills Telescope) – STELLARVUE EUW 15MM 1.25-INCH EYEPIECE OPEN BOX … The thread is found on the rear cell of these SCTs and on Meade/Celestron focal reducers and adapters. Found inside – Page 40Remember a good telescope may be more expensive initially , but you risk becoming disenchanted with a mediocre ... 70 , 80 , and even 90 - mm ( 2.6–3.5 - inch ) aperture range from suppliers like Celestron , Meade , Orion , and others ... Found on webcams used in the early days of planetary imaging. We don't know when or if this item will be back in stock. This guide solves that problem. I have a visual back adapter for the 2080, and it threads onto the SCT with no issues. Submit. Bolt thread found on the heads of Manfrotto and other photo tripods. over a month ago Photo and Video Equipment for Sale Offered. He also holds a Ph.D. in engineering physics from McMaster University. Also found on a few larger Mak scopes. All rights reserved. I've been looking into adapters to fit a Takahashi FSQ-106ED, and see some things to add to your Table-2. For example, the later SkyWatcher 180 Pro Mak is not M42 (male) but much closer to M48. Only 2 left in stock - order soon. MEADE Infinity 50 Refractor Telescope - Blue - Currys. Unfortunately, there's more than one version. Includes Vixen-style, top-mounted accessory dovetail to readily … We are glad to hear that you found this article useful. Hit "&" Miss Engine, School Bell, Boat Motors and More! Found inside – Page 44Expand your universe with the revolutionary Meade ETX Telescope Observe land, sea or sky in stunning high-resolution ... Sale! $99.9S ZEIT Atomic Wall Cock ZEIT Atomic Watches are the world's most with regular or Roman accurate watches. File this under the "things I should know, but nobody ever seems to tell you" category... To add to the complication their are variations in the shape of the threads. I've been very impressed by the only C11 I've tried, though. Thank you for this very in-depth, and much-needed, discussion of threads used in astronomy. Before we announce our pick for the best 10-inch dobsonian telescope for sale today, we’d like to make a shout out to our runner up, the Sky-Watcher Traditional 8-Inch Dobsonian Telescope. Very good information. So which threads do you have on your current equipment? The mirror is made of B270 “water white” optical crown glass that is free of internal stress and striae. $2,240 $2,795 You save 19%. It is low-cost, has sold in its tens of thousands, and is available in almost every country. Here, ETX expert Mike Weasner reveals everything any amateur astronomer ever wanted to know about the telescope. Sky-Watcher 12" f/4.9 Flextube 300P telescoping truss-tube Dobsonian. Caution: "Wide" doesn't always mean 48mm. We carry all brands and products, like Meade telescopes, Celestron telescopes, and more. This thread is found on a few intermediate-sized Maksutov telescopes sold by Orion, Sky-Watcher, and others. $249.99 $329.95 You save 24%. Table 1 summarizes the configuration and application of the most common threads. Europeans, however, take a "2-inch thread" to mean the 2"-24 thread used on the visual back of 5" to 10" Schmidt-Cassegrain telescopes by Celestron and Meade (see section 4.3.3 below). Vixen Super Polaris telescope and mount. This scope is a beast and one that will remain a world-leader for a while to come. $130. Nice article. 99. It's articles just like this that keep me always coming back to AgenaAstro as my number one preferred Astrophotography vendor. However, to make use of the maximum clear aperture of the telescope, it's best to use larger focusers and accessories with these larger SCT scopes. Very common in photography and astronomy. £16.90 £ 16. Also has a camera mount for rear which works at a fixed angle.. complete with positioning electronics (Autostar) and... Favourite this Advert. Very useful and informative article. When you choose a filter for a 1.25" eyepiece, you will almost certainly find it has a male M28.5x0.6 thread. This book is for the aging amateur astronomy population, including newcomers to astronomy in their retirement and hobbyists who loved peering through a telescope as a child.