celestron orange tube c8 telescope


The Celestron C8-A is the direct (but much improved) descendent of Celestron's revolutionary C8 that transformed the hobby of astronomy when it was unveiled in 1970. I was afraid that I was going to do some real damage here until I saw a video on YouTube this week in which the lads at Celestron put 84pound of weights on the front of a corrector before it finally cracked. 800732 1975 - 1977 (C8 classic orangetube) 804081 1977. Add to Cart. Celestron Orange Tube C8 he original C8, the renowned ^Orange Tube _ (Celestron never referred to it as anything but a 8) , is the telescope that made the Schmidt Cassegrain available, practical, and relatively affordable. is a motorized electronic focusing mechanism that affixes to your classic Celestron 8" telescope.. I was amazed to see the difference in the corrector after just one cleaning. celestron 6x30 orange tube Is Similar To: 21043-uk Celestron Equatorial Powerseeker Telescope 0050234210430 (40% similar) The Celestron powerseeker series of telescopes is designed to give first-time buyer perfect combination quality, value, features and power. CGX-L Equatorial 925 Schmidt-Cassegrain Telescope. This is a late model classic C8 that precedes the modern go to era. You currently have javascript disabled. C8 ready for optics cleaning. The counterweight system is not only well constructed but is all metal and is (in my opinion) more aesthetically appealling. I had the scope out last night and it had the best collimation that I've seen in any of my SCT's. View Full Product Details. The mirror removed for cleaning and cleaned/ reinstalled. The primary innovation Celestron/Tom Johnson came up with was a way to produce Schmidt corrector plates using a vacuum to pull the glass blanks into a pre-shaped curve mold called a "master block" during the polishing . Celestron C8-A (XLT) Telescope with StarBright XLT 91024-XLT Visit the Celestron Store. We are not offering replacement motors at this time". 339705 1975. The NexStar SE line continues that heritage with vivid orange tubes in four apertures on a smooth computerized altazimuth mount. Beautifully machined parts and they shipped it out in a day. I tried some very gentle persuasion, but it wouldn't budge. The orange tube C8 came fork mounted on a circular drive base. I have constructed this web page to consolidate the information I have gathered about the C8, hopefully this will be of interest to manuak C8 owners or anyone interested in early Celestron telescopes. 391057 orange tube. As mentioned initially, I was not sure what to expect once I removed the focus knob. After adding the new finder, and the other accessories for regular observing, I found the optical tube was very "tail heavy" and sought out to get a counterweight system. That is what the old orange-tube Celestron 8 telescopes are, and you can tell because it says it is a Schmidt telescope right on the plate with the serial number. I don't own a C8, but I learned a lot following along. The Celestron C8 Schmidt-Cassegrain is one of the longest running continuously produced telescopes in history (perhaps only the Questar has been around longer.) The quality of these parts just . I’m sure its missing parts and she doesn’t know where they got to. Anyway, thank you to ChiAstroJoe for the post on cleaning the C11 Beast...I was extremely worried about removing the mirror and cleaning it...especially after 41 years installed in that purdy orange tube. Thank you to the members on CN's for sharing their experience to assist me in making a lifelong dream finally come true. The corrector was of course stuck - it had been in place for @41 years!! 800732 1975 - 1977 (C8 classic orangetube) 804081 1977. Certainly in the top 10% of the old C8's I have looked through. Celestron C8 vintage orange tube Telescope w/ tripod 2000mm PARTS Or REPAIR. 339705 1975. 8" Schmidt-Cassegrain Optical Tube Assembly Aluminum Optical Tube Celestron's premium StarBright XLT coatings 2032 mm focal length (f/10) 25 mm eyepiece included (81x) Visual back allows for use with 1.25" accessories 6x30 finderscope to help accurately find objects Star diagonal provides more comfortable viewing position when observing objects that are high in the sky Includes dovetail rail . Does the mirror have good polish brightness overall beyond the central pitting? Jun 16, 2018 - Explore Dave Cruikshank's board "Celestron C8" on Pinterest. Celestron C8 Manuals & User Guides. I purchased a circa 1975 diecast orange tube C8 recently for $300 Canadian dollars (@ $225 USD) from a person who had not kept the scope well at all. Bids: 0. The corrector is in perfect condition, but unfortunately the silver coated mirrors haven't held up as well as yours did. This is the email reply from Hansen Corp for Synchron US...not sure if Synchron in US is still manufacturing the motors or if the motors have now been completely discontinued. The C8 seems to give better views, but I need to set them up side by side to compare. M42 resolved perfectly with the trapezium perfect with the 5 core stars blazing. 11-inch Dovetail Bar Diagram. Available to U.S. Customers only. My 1985 LX3 had the dreaded MCSOG and the secondary was tarnishing within 2 years - It took another year and a bit and a lot of black spots before the image started to fade and dim. It was introduced in 1985, back in the days when Celestron was an American owned and operated company in Torrance, California, USA and Alan Hale was the President of Celestron. Celestron C8 Orange. C8 Optical Tube Assembly as used in the best selling Celestron Nexstar 8se. Celestron Super C8+ Schmidt-Cassegrain Specifications and Features. Since reflectors often summer for coma, the parabolic primary mirror provides sharper images at the edge of the field of view to reduce the effect. The basic OTA (without any mounting system), as illustrated on the Celestron web site, sports a gray main tube. C8 Maintenance Websites There are not too many websites at least that I can find giving classic orange tube C8 maintenance instructions. I was very pleased to find a real piece of great engineering in Celestron actually internally threaded the focus screw that attaches to the mirror and a 5/32 hex screw and washer was there to stop the mirror travel. !....I used a q-tip dipped in the 99% isopropyl alcohol to carefully moisten the cork pads and moisten under the plate to loosen the grip of age. You said, "I turned my kitchen and dining room into a laboratory for a couple of days...". Site built by Wordpress Blog Builder, LX200 GPS Fork Only With Standard Field Tripod And Electronic Micro-focuser – $1000.00, Celestron NexStar Evolution 9.25, Schmidt-Cassegrain Telescope – SKU#1363600 – $1849.00, 1.25″ Telescope Eyepiece Lens PL32mm & Refractor Erecting Prism 45 Degree – $47.58, Universal Camera Lens Heater Evening Dew Remover USB Warmer For Nikon Ca YK – $19.50, Yellow Color Telescope Eyepiece Filter For Astronomy Accessory 1.25 – $9.36, Over 20 Grams Of Meteorite Tektite Black Over 700,000 Years Old Space Rock A3J6 – $16.99, Meade 35-4702-00 Telescope Remote Controller – $29.98, Celestron FireCel Plus – Hand Warmer/Charger/Flashlight Green 93544 – $51.36. SKU: CEL-91038-XLT. 443. 21036-WM Instruction Manual Addendum. For visual observers and even astroimagers, the large aperture of the OTA telescope shows . Long Live the Observers! Some of the metal has some surface corrosion as you can see. In this particular case, that includes the C8, C8+, C8-S, C8-SGT, Classic 8, Celestar 8, CGE 800, G-8, Great Polaris C8, NexStar 8 GPS, Polaris C8, Powerstar 8, Super C8, Super C8+, Super Polaris C8, Ultima 8, and Ultima 2000. Celestron-C8A is 8.0"/203mm Aluminum Schmidt-Cassegrain Telescope Optical Tube Assembly Celestron C8-A Telescope 17" long aluminum optical tube weighs only 13 lbs., making it easy to transport.CelestronC8A Telescope has an 8" aperture, a 2032 mm focal length, and a focal ratio of f/10.Starbright multicoatings are standard for CelestronC8-A. Primary had pitting around the edges as well. Please re-enable javascript to access full functionality. Teleskop-Express: Celestron C8 Schmidt-Cassegrain (8″ - orange design) - Optical Tube Assembly In contrast, Meade was portraying their telescopes as serious scientific instruments. Ideal replacing a damaged telescope or want to upgrade to the magic 8 inch aperture. Mount: German Equatorial. Shippingfree shipping. Tagged with: Amateur Astronomy • astronomy • telescope, Filed under: High-End Telescope Auctions (USA), Subscribe to Telescope Sales in a reader $9,199.00 $767/mo suggested payments with 12‑month financing. The bolts for attaching the Equatorial Wedge to the triangle tripod are 5/8x18 x 1inch NOT 3/8x18 x1 as Celestron informed. This is achieved by holding the chrome section of the focus assembly and rotating the unit back off of the main mirror threaded focus rod. I have constructed this web page to consolidate the information I have gathered about the C8, hopefully this will be of interest to other C8 owners or anyone interested in early Celestron telescopes. 391057 orange tube. The 2032mm focal length (f/10) optical tube provides excellent, high-contrast views and is capable of performing at very high magnifications. I had my second one a week later. I decided to read through numerous CN blogs on taking apart and cleaning SCT's and finally got the nerve to do this project. $5,299.95. This is one of the last fork mounted Celestron C8 telescopes that is not equipped with go to technology. Glad I restored that C8. The total time to complete this project of restoration was a total of about 50 hours all in. $179. Add to Cart. User Manuals, Guides and Specifications for your Celestron C8 Telescope. It came up with a bit of a tug after about 5 minutes. Nexstar computerized telescope: The NexStar 5SE Computerized Telescope features Celestron's iconic orange tube design with updated technology and the latest features for amazing stargazing for beginners and experienced observers. CELESTRON C8 INSTRUCTION MANUAL Pdf Download. USPS/Canada Post took awhile but well worth the wait. for reference to others. I have a rescue C8 from late 1978 and I had to get the mirrors recoated. I first tackled the tripod and after @ 15 hours of cleaning and polishing with Peek restoring cream, the tripod is almost like new with only three small spots that were void of chrome completely. 102mm Wide View Manual. The Celestron NexStar 8SE SCT OTA is famous for its performance and superb optics. "Apollo" is just a title for members with a certain amount of posts. The f10 to f11 focal ratio range represents a sort of sweet spot for general purpose, Schmidt-Cassegrain astronomical telescopes. Celestron - C14-AF XLT - 14" SCT Optical Tube Assembly for CGE/CGX - 91038-XLT. NO RETURNS. . JMI Telescopes MOTOFOCUS. It took me 30 years to get my first Schmidt-Cassegrain. Save $20.00 with coupon. up it came. The tripod socket on this OTA makes it ideal for terrestrial use as well. Then, I looked at the mirror, which I did not want to have to remove and clean - my initial fears came to light when I shone a light down the tube and saw the filaments of fungus around the outer edges of the mirror - now Im into an even bigger challenge with having to disassemble the focus mechanism and remove the mirror. I discovered that info that was posted by Celestron for attaching the wedge on  the original Orange Tube C8's was not correct. 4.6 out of 5 stars. October 3, 2021. Database contains 5 Celestron C8 Manuals (available for free online viewing or downloading in PDF): Operating manual, Instruction manual, Instructions, Instructions manual . Aperture: 203mm (7.99 inches) Focal Length: f10.0. 5.0 out of 5 stars 2 ratings. Many amateur astronomers have a good equatorial mount and want to upgrade their telescope, either by increasing the aperture to delve deeper into the mysteries of the Universe or by choosing another telescope design altogether. Current Price: $500.00. The tube had unusually good optics. At nearly $2000 cdn at the time, that was an insane amount of money for a telescope. I actually just did a 24 hour run test on the drive/drive corrector and my target star Sirius was in the field of view 24 hours after it was first trained on in my 32mm eyepiece. Page 1 of 2 - Celestron Orange Tube 1975 C8 Cleaning and Refurbish - posted in Classic Telescopes: I just wanted to say thank you to many of the bloggers here for info on taking apart an orange tube C8 to clean the optics and bring it back to life. 339263 orange C8 here: lounge discussion 2496049. Busted cheap azimuth motor. 4 Color LCD Weather Station Manual (English, French, German, Italian, Spanish) 44310 LCD Handheld Microscope Manual (English, French, German, Italian, Spanish) Brand: Celestron . 2) Celestron C8 OTA. Current Price: $500.00. The NexStar 8SE is an 8-inch Schmidt-Cassegrain with a focal length of 2,032mm, giving a focal ratio of f/10. ащищены. Review For VC8-O- V Series Dovetail Bar for Celestron 8″ SCT Telescope. I am a second owner of this scope. Free shipping for many products! Thanks MA ! Perfect! 13.5″ long, 1.72″ wide, .625″ thick, Wt. The Classic Celestron Orange-tube C11 revisited: If you wrestle with aperture versus portability, you might want to seriously look at the Classic Orange Celestron C11, a scope that may be the best combination of serious aperture with the portability of a much smaller scope. Once I had ensured that there were no more areas of fungus and mold, I proceeded with a final third clean and wipe with kleenex. The process for cleaning was the same used in Chi AstroJoe blog - remember to rinse with lots of distilled water ONLY - not mentioned in the blog. Aluminum Optical Tube. ): 0.6. October 3, 2021. And if you send the Moderators money, they will give you a special title. Celestron NexStar 8SE SCT OTA - Orange Tube. Uses existing mounting holes in OTA. All of this fits into a compact orange tube that weighs 11kg and is just 432mm long. That corrector plate is NOT just a plane piece of glass. My Margarita, the Salt Encrusted C8, had its corrector so stuck that I had to send it to Duane and Clear Edge Optical, who has fixed more of these than most of us have ever even seen. Comes as seen. I just wanted to say thank you to many of the bloggers here for info on taking apart an orange tube C8 to clean the optics and bring it back to life. More Info. More On The Way. Celestron C8 Vintage Orange Tube Telescope W/ Tripod 2000mm PARTS Or REPAIR - $500.00. Fully computerized 8 Celestron GoTo telescope with NexStar hand controller containing a 40,000-object database Big 203mm (8.0) Schmidt-Cassegrain optics with 2032mm focal length (f/10) StarBright XLT high-performance optical coatings for enhanced image brightness Computerized CG-5 equatorial mount has dual DC servo motors, autoguider and auxilliary ports Includes 25mm (81x) eyepiece, 6x30 . The User's Manual shown in the alternate photo is copyrighted 1994. The front and rear cells are charcoal black. TOP SELLER NexStar 4SE Computerized Telescope. Database contains 5 Celestron C8 Manuals (available for free online viewing or downloading in PDF): Operating manual, Instruction manual, Instructions, Instructions manual . At High Point we are making a few of the orange tube C8 OTA's (normally found on the Celestron NexStar 8SE) available to our customers.We only have a few of these available and once they are gone, they are gone! The last component that I wanted to ad to the C8 was a piggyback mount...after several attempts to purchase one through CN (a lot of people will not ship to Canada, This rig is now an enhanced unit with a more functional and useful finder, balanced ota and pristine optics. the original hex bolts for the telescope were missing and the owner had put a machine screw into one of the mount holes and had it mounted on the wedge by the one bolt! Once aligned the Celestron 8 SE computerized telescope is incredibly easy to operate. Belonged to a neighbor of mine- Her husband had bought it new and paid a lot of $$ for it back then. $1,499.99. Derek, yeah, the mirror does have good brightness. Collimation-10/10!!! Telescope Mounting: Fork Mount with Byers Motor Drive (R.A.) Finder Scope: 8×50 Polar Alignment Finder Scope (90° w/illuminated reticule) with dovetail mount. Find many great new & used options and get the best deals for Celestron C8 Telescope (orange Tube) at the best online prices at eBay! Condition is "Used". CELESTRON SUPER C8 INSTRUCTIONS Pdf Download. 800685 1980 +/- 1year C8 orange tube Direct purchase from the factory showroom in California. This telescope has a clock drive powered by a single 9 volt DC battery. Bids: 0. ><p>I apologize for any inconvenience, the sale is final, No returns. Today, Celestron offers a choice of optical tube assemblies and mounts, including the NexStar range - a good cross between the old and new designs. Once the main mirror focus rod is all he way back, the stop set hex screw can now be removed with a 5/64" Allen wrench. . I have constructed this web page to consolidate the information I have gathered about the C8, hopefully this will be of interest to other C8 owners or anyone interested in early Celestron telescopes. celestron Orange c8 Vintage Telescope 2000mm F10. Being sold for PARTS OR REPAIR as I dont know what’s missing and I’m not sure if its operational without some repairs or not. The knob is removed by removing the fastening screw with a 1/16" Allen Key, Once the knob is removed, the main assembly is now exposed and you can see the main mirror stop set screw head. Learn More. I was able to see a-f, and that was before I cleaned the primary. Parts and materials for the projects came to a total cost of @ $80 CDN funds. A fine example of a later model classic C8. Once the main mirror has been removed and cleaned, the baffle can be lubricated (if required) and the main mirror replaced into the OTA and focus unit assembly can be replaced following the steps above in reverse. Thank you to CN member ChiAstroJoe for his blog on Cleaning and Modifying the C11 Beast - It was most helpful for this project. I have owned a Meade LX3 and a Celestron ASGT CG-5 C8 and the optics on this C8 were NASTY. Well done! Точность и доступность перевода не гарантируется. An inspiring story! Learn More. I was browsing around te internet and found a company in Italy called Geoptik that manufactures quality telescope accessories which manufactures counterweight systems that fit most of the Celestron OTA's. I see only one area for possible improvement in your work. The focus assembly is removed in two steps, 1.by removing the three hex screws that fasten it to the Optical Tube Assembly (OTA). The Super C8 Plus was the ultimate incarnation of Celestron's famous C8 Schmidt-Cassegrain telescope (SCT). For your consideration a 1970's Celestron C8 orange tube. 2 Year. The Nexstar 8 SE upholds Celestron's reputation for quality optics. Simple mechanical tracking is fine by me, so I get what you mean, and I agree 100%. I bought it a couple years ago and the secondary was in pretty bad shape, and the coating on the corrector is starting to fail. User Manuals, Guides and Specifications for your Celestron C8 Telescope. $1,899.99.   Telescope Sales on Twitter, Current Price: $1000.00Buy It Now Price: $1300.00Bids: 0, Current Price: $1849.00Buy It Now Price: $1849.00Bids: 0, Current Price: $5000.00Buy It Now Price: $0.00Bids: 0, Current Price: $47.58Buy It Now Price: $47.58Bids: 0…, Current Price: $19.50Buy It Now Price: $19.50Bids: 0, Current Price: $9.36Buy It Now Price: $9.36Bids: 0, Current Price: $16.99Buy It Now Price: $16.99Bids: 0, Current Price: $29.98Buy It Now Price: $29.98Bids: 0, Current Price: $39.98Buy It Now Price: $39.98Bids: 0, Current Price: $51.36Buy It Now Price: $51.36Bids: 0, Copyright © The C8 is still in production forty years later, but the tubes are no longer painted orange as they were originally. purchase ad Details: Celestron's CGX-L Computerized Equatorial mount is the latest addition to our fully computerized equatorial mount. I plugged in the drive and enabled the drive corrector and it worked beautifully. $179.95. Windex. There is an original Celestron C8 "orange tube" available close by with TELRAD reflex sight and Celestron 9mm, 12mm, 18mm, and 25mm eyepieces. Optically the Celestron NexStar 8 SE telescope is nearly flawless with Celestron's famous C8 Optical Tube Assembly. Great work and a beautiful scope. Description. Resolving Power (arc secs. They give thé impression it hás an orange enameI finish, but it is actuaIly much more attractivé.The main componénts of C8 teIescopes are now fabricatéd, figured and assembIed in China.Celestron quality checks C8s after their arrival in the U.S., before they are sent to dealers.
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