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Category | T |
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Domain name | telescopecollector.co.uk |
IP | 62.233.121.5 |
Country by IP | GB |
Web server type | Nginx |
Hostname | forward.easyspace.com |
Click here for more information and to buy from eBay. Enbeeco London “Merlin” 20x – 40x Telescope. Mint condition. Inside flap of the case is signed by original owner. Visit website
The Antique Telescope Society, Inc. is organized and operated exclusively for educational and/or scientific purposes. The purpose of the Society is to unite colleagues interested in antique telescopes, binoculars instruments, books, atlases and related items, and to promote the memberships interests in astronomical history and discovery, the history of optics, and the … Visit website
This professional collapsible Dobsonian telescope comes with GoTo functions that allow you to choose the celestial object you want to observe. The telescope will automatically locate the selected object and it will track it as it moves across the sky. It is a great feature that both beginners and professionals can enjoy. Parabolic Primary Mirror Visit website
Telescope Collector I first started using a telescope in the 60s, to identify aeroplanes arriving at Yeadon airport, in Yorkshire. Then I started to collect and restore vintage brass scopes in the 1990s. The collection boomed later, in the early days … Visit website
A Duetron is a device that allows two people to look through the same telescope at the same time. It was an accessory available from the Unitron company for many years during the 1950’s through the 90’s. The most common version was designed for .965″ eyepieces. A more rare version was designed for 1.25″ eyepieces. Visit website
Add a squirt of liquid detergent and let the mirror soak for 5 or 10 minutes. Then, holding it underwater, swirl it around for a last chance at rinsing off loose grit. Take a wad of cotton and, starting at one edge, swab the mirror in one direction, applying no pressure beyond the weight of the cotton itself. Visit website
3. Use the solution to wet soft, plain tissue or cotton balls for larger optical surfaces or cotton swabs for small parts like eyepiece lenses. Don’t use too much solution, as you don’t want excess fluid to run off the surface you’re cleaning. For eyepieces and filters, use the swab and wipe with little to no downward pressure in straight ... Visit website
Hello MartoniansI have finished the tripod, and I want to clean up the finderscope,corrector and primarry mirror. With this done I can test out the optics... Visit website
Posted 16 July 2012 - 12:59 AM. Blow the dust off the corrector plate with a hurricane blower (NOT a compressed air line or "compressed air" cans, these will contaminate the surface with possibly sticky residue). The dust should be only on the outside surface. You can use non contact cleaning methods as often as you like but there is no need to ... Visit website
Altura Photo Professional Cleaning Kit for DSLR Cameras and Sensitive Electronics Bundle with 2oz Altura Photo Spray Lens and LCD Cleaner. 4.7 out … Visit website
Here is a reference on a similar Ramsden, https://telescopecollector.wordpress.co ... from-1780/ The Broadhurst Clarkson 3 draw tubes telescope has the inscription in “stamped” letters. This telescope comes most probably from the times of the WWI, or shortly before. Its condition is corroded brass, not re-polished. Visit website
Below and Right: A 4-inch astrograph made in 1953 by SRO founding member Roy R. Cook is shown here in the optical shop of astronomer and telescope collector, John W. Briggs. This telescope was built in the shops of Carroll Astronomical Instruments under direction of SROs principal founder George Carroll for George Moyen, another of Stony Ridges originating … Visit website
Telescope Brass Spyglass Pirate Monocular, Waterproof Pocket Mini Telescope Monocular, 25x30 Zoomable Collapsible Vintage Monocular for Navigation Voyage View Watching Games Travel Hiking Hunting. 4.1 out of 5 stars. 412. $22.99. $22. . 99. 5% coupon applied at checkout. Save 5% with coupon. Visit website
Meade’s recommendation is similar: 1/3 isopropyl alcohol (90% or better) and 2/3 distilled water with one drop of biodegradable liquid dishwashing soap per pint of solution. Many observers, including folks working with optical glass professionally, note that plain Windex -brand glass cleaner (and no other brand) diluted 50% with distilled ... Visit website
212 W. Cady Street Northville, MI 48167-1560 Phone: 248-349-3020 Fax: 248-349-8250 Visit website
Easy to assemble and with no problems collimating, this is a great choice for a beginners’ telescope. This scope will show you planets such as Jupiter, Saturn and star nebulus. The XT8 features the same aperture, focal length and focal ratio of the Skywatcher 8. The major differences is that the SkyWatcher is a Newtonian designed telescope as ... Visit website
Telescope Collector I first started using a telescope in the 60s, to identify aeroplanes arriving at Yeadon airport, in Yorkshire. Then I started to collect and restore vintage brass scopes in the 1990s. The collection boomed later, in the early days … Visit website
Almost two decades after buying the BBXRT telescope, collector John Urciolo, CEO of a Potomac, Maryland-based aerospace contracting company, has … Visit website
Cleaning the corrector. Your cleaning fluid can be next : - 1/3 d of 91% to 99% pure isopropyl alcohol (see your dispensary or an university chemical lab) - 2/3 d of distilled water. - 2 drops of dishwashing soap (soft) per liter of solution. NB. You can also use ethyl alcohol instead of … Visit website
Cleaning telescope optics can be important but there are some cautions that must be observed: Only clean optics if absolutely necessary. Do not clean optics more often than needed. Be very careful not to scratch the optics. Dusty glass is better than scratched glass. Use only the recommended materials for cleaning. Using other cleaning supplies may damage the … Visit website
When looking in the sky, there are several easy and well known globular cluster that are visible from the Pacific Northwest and other Northern Hemisphere observing locations. M13 Hercules Globular Cluster When Visible: May to September, with ideal conditions being in July.How To Find: The Messier 13 cluster is located near NGC 6207, a 12th magnitude galaxy … Visit website
We propose a space telescope that has a diffraction grating as its primary objective element. A membrane grating in the shape of a ribbon could enjoy aperture length above a kilometer. This novel configuration would be particularly useful for very high resolution spectrographic astronomy as required in Doppler shift searches for extra-solar planets due to … Visit website
Basic concept for a telescope: Collector Filter/Separator (optional) Detector. Light collection: the aperture • A bigger light collector will collect more light, (deep, I know) so the light collector (“aperture”) size is an important metric • Apertures are generally circular, so the area is ??= ???? ... Visit website