Many astro-imagers use a fairly fast Newtonian reflector on a computerized equatorial mount due to the lower cost as well as the wide-field views this type of telescope can achieve. All Rights Reserved. You can use a telescope to look at the Moon and bright planets, including Venus, Jupiter, Saturn & Mars. "text": "RC telescopes use hyperbolic mirrors to eliminate optical errors like coma and chromatic aberrations off-axis while producing the flattest focal plane possible without lenses." Then spare cash for a yacht or plane. Check out our 2022 telescope buying guide here! We have configured and installed a variety of different brands and styles of observatories and telescope systems. Protect your eyes at ALL times. Our collection of used telescope accessories is so popular, however, that the best used astronomy accessories are scooped up quickly; sometimes within an hour of posting! 149 King Street Crayford-Style Focuser. An OTA is simply the telescope portion of a telescope/mount/tripod package. My domes were built in 1971 and 1980. Springerville and Eagar were once described as the windiest places in the US. 2.0 Meter Telescope System EXPLORE PLANEWAVE CDK700 0.7 Meter Telescope System EXPLORE PLANEWAVE RC700 0.7 Meter Ritchey-Chrtien Telescope System EXPLORE PLANEWAVE CDK600 0.6 Meter Telescope System EXPLORE PLANEWAVE CDK500 0.5 Meter Telescope System EXPLORE PLANEWAVE CDK400 0.4 Meter Telescope System EXPLORE PLANEWAVE CDK350 This puts the focus point right about where your glasses meet the eyepiece, and will make a huge difference in your viewing comfort. Research-grade RCs can costs tens of thousands of dollars, if not more, for this reason." AFFORDABLE RADIO TELESCOPES AND GROUND STATION ANTENNA SYSTEMS FOR RADIO ASTRONOMY AND SPACE COMMUNICATION DISCOVER NOW SPIDER LINE SENSITIVE, ACCURATE, RAPID. Las Cumbres has had 1m optics sets available for about $150K. A Cassegrain also uses mirrors to gather the light, but has a folded optical path like a catadioptric telescope. Remember, the best telescope is the one you will use! oooo - I don't know what their price is on the 32" RC, but that thing is super-sexy! Few of us will be able to buy one of these 1 or 2 meter scopes (I asked my HOA and they said they won't allow it), but it is important to understand that substantially the same software, hardware and technology that goes into these professional telescopes is also used on their smaller models like my little CDK20 telescope and L-500 mount. Stark Export House Brass Telescope 8 Inch Catadioptric . The segments are closely spaced, with segment gaps of only 2.5 mm (0.1 inch). You can buy both reflectors and refractors in shorter or longer focal lengths. To figure out the magnification, simply divide the focal length of the eyepiece into the focal length of the telescope. We reserve the right to verify a competitor's advertised price and the availability of the item. current atmospheric conditions. Even if the telescope itself focuses and has good optics, a cheap or defective telescope mount or tripod (or both) will make it almost impossible to find, follow and view objects. To determine the best telescope mount for you, it is important to think about what you plan to do with the telescope. D Which of the following best describes the development of astronomical telescopes over the past 65 years? Manufacturer of astronomical observatories. They've built I think ten one meter telescopes for their network. We will go into each of the questions in greater detail further down the page, so scroll down if you need more information. Field-of-View: 132ft at 1,000 yards. "name": "Do Ritchey Chretin Telescopes need to be collimated? There are also focal reducers available to shorten a longer focal length and create a wider field that is better for astro-imaging, especially with today's larger sensors. Special/Custom Order - Shipping fee will be billed separately at the time of shipping. We will be glad to help. Beau - Ti - Ful! These mounts offer, a high load capacity and pointing/tracking precision at a low price. ", Telescope with 2 lenses Edu-science telescope 50-600 with X2 lens. This way SPIDER MarkII radio telescopes provide unmatched performance by standard off-the-shelf antennas that are not designed for radio astronomy: better tracking and pointing precision, higher sensitivity, dedicated radio astronomy software, better engineering quality and great italian design! }] Similarly, a telescope for an adult should be sturdy, move easily, and have quality optics that are big enough to see their items of interest. Reflecting telescopes can be built at larger sizes for professional deep sky observation and astrophotography. Light-weighted optics are made of zero . In fact, the EdgeHD focal plane is 3 times flatter than a standard SCT! You can watch our video on how to collimate a high-end Ritchey-Chretin here." The tube is roughly as long as your arm, but it is difficult to hold because you can barely get your arms around it. The focal length is the distance, usually measured in millimeters, between the primary mirror or lens and the point at which the image comes to focus. "@type": "Answer", The MPG/ESO 2.2-metre telescope was originally constructed by the Max Planck Institute for Astronomy (Heidelberg, Germany) and intended to be sited in Namibia. Square Kilometre Array (SKA) 2. What is the science objective? Sky-Watcher's Flextube SynScan GoTo Collapsible Dobsonian series are the telescopes your mother warned you about. Refractors use lenses to gather light and bring the resulting image to focus. Below is a list of activities you can do with a telescope to help you decide: Most people use their telescope from the comfort of their own backyards, and most set up their telescope each time they plan to use it. 2-meter. It probably will not help you to know that the price of telescopes runs the gamut from around $100 to over $10,000, because really, it all comes down to what you are willing to spend, not what's available. Proprietary catadioptric telescope designs are worth a look, especially if you want to get into astro-imaging! This is because your exposure time would be quick enough that the Earth's rotation would not come into play. Sort By: View as: Astro-Physics 110mm f6 StarFire GTX (110GTX) Astro-Physics 92mm F6.65 Stowaway (92F665) $3,750.00 Astro-Physics 254mm F14.5 Maksutov-Cassegrain (254F145MC) $22,000.00 Astro-Physics The PW2000 is a high-performance, complete 2-meter observatory-class telescope featuring a direct drive altitude-azimuth (Alt-Az) mounting system designed and engineered by PlaneWave. For professionals, advanced students, and serious amateurs, standard telescopes designed for night sky viewing have drawbacks that interfere with obtaining highly detailed images, particularly for deep sky objects. System requirements areWindows 10/11 (suggested: 64 bit version), screen resolution at least 1920 x 1080,RAM memory 4 GB (suggested: 8 GB), processor i3 (suggested: i5 or i7). Lots of times the focal ratio is displayed rather than the focal length when shopping for a telescope. Our equatorial mounts support device (patented) allows you to install the WEB230-5 antenna on any equatorial mount (with Losmandy dovetail and load capacity of at least 50 kg, ie. Keep checking back to see our newly added Telescopes For Sale. The biggest telescopes in the world are often the most . These simple movements make an alt-azimuth mount a great choice if you want to use your refractor or catadioptric telescope for observing in the daytime as well as at night. For the best experience on our site, be sure to turn on Javascript in your browser. RC telescopes are usually best for imaging because of their lower contrast compared to most other telescope designs. It did have a Norman fullum, Optical Guidance Systems (OGS) regularly have pre-owned systems for sale on their website. Please use another browser such as Chrome, Edge, Firefox, or Safari for the best experience. We do not price match competitors if they are out of stock. To learn more about telescopes, check out our Telescope Knowledge Center filled with information on choosing the right telescope to meet your specific needs. Does the person who will be setting up the telescope have back problems, etc.? Longer focal length telescopes have a narrower field of view but more magnification, while a shorter focal length telescope has a wider field of view that works great for big, faint deep sky objects viewed visually or for astrophotography. Most telescopes are built to travel but again, consider whether the telescope will fit in your vehicle and if you can set it up on your own. The Dobsonian telescope consists of a Newtonian reflector optical tube assembly mounted on a very simple alt-azimuth box-style mount with a lazy susan base. Hand Held Digital Thermometer. And, he's done other larger scopes of various types. I've seen little or no 'useful' work done with an amateur scope in the 1m aperture range but if the cash is available why not. NEXDOME 2.2M - 8' COMPLETE OBSERVATORY Your Price: USD $3,395.00 Part Number: NEX22 Choose Options Description Images shows the observatory with OPTIONAL bay. Most of us won't be able to realize the dream of an observatory, but for those who have the means and the land available, it is a wonderful way to start observing at a moment's notice and never have to set up your telescope again. Copyright var date = new Date(); document.write(date.getFullYear()); NexDome Observatories Store. An APO telescope, or apochromatic refractor, uses 3 lenses to bring all three wavelengths of light to a single focus to produce an image virtually free of extraneous color. This inexpensive telescope accessory threads onto a standard eyepiece and blocks some of the light emitted from the Moon. 16 January 2022 . The majority of telescopes at professional observatories are a Ritchey-Chretien because their wide, flat fields are perfect for large CCD or CMOS sensors. Linux and Windows compatible. I think you are looking at over 100k for just the mount for a RG 1 meter scope. The Hubble Space Telescope(HST) travels around the earth at almost 17,000 mph (27,300 km/h), which is just over 22 times faster than the Land Speed World Record for the fastest car ever. Observatory Dome, Explora Dome - Explora Dome I 8ft. #101, Woodland Hills, CA 91364 818-347-2270 orderinfo@telescopes.net You will spend the most on telescopes for astrophotography. Your friend will receive an email from you with a link to our site. Maksutov-Cassegrain are great for visual use or planetary imaging, the views will be full of contrast with a darker background sky due to their long focal lengths. Do you really need 1 meter and can't settle for 1/2 meter? Telescopes BMI Surplus offers a large inventory of Read to Ship New & Used Telescopes from the major optical telescope manufacturers. Swap the eyeball at the eyepiece for an even modest but dedicated camera you can go much much deeper with a sub 0.6m scope in very brief 'liveview ' exposures including colour or science if desired. "@type": "Question", A finder can be as simple as a red dot finder or it can be a high quality small telescope in its own right. SPIDER MarkII radio telescope is the result of 10 years in research by PrimaLuceLab engineering team that designs, develops, assembles and tests in-house all our radio telescopes. Our scope is quite capable though. The bigger the aperture of a telescope, the more light it will gather, allowing the observer to see more detail on celestial objects and ascertain finer details that a telescope of lesser aperture may not see. The SCT uses a flat-looking aspheric corrector lens on the front end of the telescope which is less expensive than other corrector plates, making the Schmidt-Cassegrain a good value as well. We carry Davidson Optronics, Meade, Space Technology Laboratories, Ealing, Barnes Engineering, Keuffel & Esser, Gaertner Scientific, and Edmund. The body of an APO refractor, known as the OTA or optical tube assembly, is also more likely to be made from quality materials and have a precision focuser that is designed to bear the weight of a camera and other imaging equipment. While you can buy a manual equatorial mount and add dual-axis motors and a hand controller for astrophotography, these days most people prefer the computerized equatorial mount, like the Celestron Advanced VX Mount. Still not sure what is the right gear for you? The Magdalena Ridge Observatory 2.4-meter telescope is primarily utilized to observe, track, and characterize solar system astronomical targets, artificial Earth satellites, space vehicles, and terrestrial military targets. 4. JavaScript seems to be disabled in your browser. Share. EdgeHD telescopes are great for visual use but they really shine for astrophotography. We are proud to supply a wide range of the very finest telescopes in the industry, both in terms of sheer size of aperture and in terms of optical quality and craftsmanship. I can detect down to 20th mag in 5 minutes with a conventional CCD and no filters but at a SNR that's just above my noise floor. Schmidt-Cassegrain telescopes use a folded light path design to keep the tube assembly portable for their aperture. The HST is a staggering 43.5 ft (13.2 meters) long and weighs 24,000 lbs (10,886 kg). NexDome is the NexGeneration observatory that was designed with paying attention to problems and shortcomings of similar class observatories. Get a Dobsonian telescope if you want a lot of aperture for less money and don't care about motors and electronics! (Advanced) - 3.2 to 8.5 Meter Choose Version. Developed specifically for SPIDER radio telescopes, the H-FEED feedhorn is designed for optimal illumination of the primary reflector, allowing for high gain while reducing side lobes and the spillover effect, thus obtaining the best possible performance from the 2.3 meter parabolic antenna. The term Highest Useful Magnification is used by telescope manufacturers to describe the most magnification you can typically be expected to use on a normal night and still bring an image to sharp focus. I ran into him on the floor at NEAF 2018 and we struck up a conversation that ran about 20 minutes. ", EQ8 type). Local Pickup. Fax: 781-871-7412 Choosing which mount type is best for you is fairly straightforward, so let's take them one at a time: Telescopes on Alt-Azimuth Mounts: Telescopes that come with an alt-azimuth mount are a popular choice for beginners or as a kid's telescope due to their ease of use and relative portability. Now an employee-owned company, we pride ourselves on an unswerving commitment to best quality products, value and unmatched customer care. The Obsession 15" UC features the same quality craftsmanship and award winning design as found on our renown 20, 25, 30 and 36 inch telescopes. What you may want to look for are any of the 40 and 50" dobs Orion sold a few years ago (did they actually deliver any?). H142-One provides professional technologies used by radio astronomers for radio astronomy research in a scientifically certified and easy to use receiver, perfect even with compact size antennas: its a 1420 MHz superheterodyne type radiometer/spectrometer, double conversion (type UP/DOWN) with 50 MHz received instantaneous bandwidth (RF=1.395MHz-1.445MHz) and 14-bit analog to digital converter. 5. We're always here for you. It is highly versatile and can b e used for many tasks around the home as well as for trade use "@type": "Question", New / Sale; Search: Search. Skyoptikst 114EQ Newtonian Reflector Astronomical telescope + Equatorial motor. Details: The item must be the identical item, brand name, size, weight, color, quantity and model number. DISCOVER NOW AFFORDABLE RADIO TELESCOPES AND GROUND STATION ANTENNA SYSTEMS FOR RADIO ASTRONOMY AND SPACE COMMUNICATION The Ritchey-Chretien telescope design uses two hyperbolic mirrors to correct for coma and spherical aberration. For researchers, the Ritchey Chretin design is one of the best options out there. "text": "On the high end, RCs are more expensive because they use a hyperbolic primary mirror design. The operational goals of the 2.4-meter telescope facility include:. b. reflector. Even if they decide to get into astrophotography and buy another telescope on an equatorial mount, most Dobsonian owners love their telescope enough to keep it and pull it out whenever they want to experience the cosmos visually. All coupons, tax, shipping, store credit and gift cards will be applied during checkout. If someone dreams of looking at galaxies, shoot for at least a 4-5" telescope Bigger is better and will increase the detail as well as the number of deep sky objects one can see, but of course more aperture increases the price and the size/weight of the telescope system. Information and conditions subject to change without notice. It all depends on what interests you most and which compromises you are willing to make (or NOT). We . The second set of wheels, in conjunction with the domes angle lip, provides critical protection from uplift in high winds. Smart electronics help you with alignment and are very accurate when tracking, which makes it way easier to get good results, especially when doing longer exposures. View full details Heritage 150 Tabletop Dobsonian $310.00 In 1668, Sir Isaac Newton invented the first reflector telescope. 6. We would just like you to ponder the following five questions, and by doing so, you will automatically narrow down your telescope choices to a more manageable level and have a greater chance of picking out the best telescope! All Rights Reserved. With a diffraction-limited 100mm image circle, the PW1000 is designed to excel at imaging on the largest format CCD cameras available today. "@type": "Answer", CELESTRON telescope for sale brand new with box and instruction manual 120 120. To choose a reflector that is right for you, consider its aperture (diameter of the primary mirror), the focal length, which dictates how long the telescope tube will be, and what type of mount you require. Telescopes on Equatorial Mounts: Equatorial mounts can be polar-aligned to compensate for the Earth's rotation, allowing them to manually or electronically track celestial objects. Because the optical path is folded, the tube of a RC telescope is much shorter, making larger apertures more portable. },{ With all these properties within one telescope, it's easy to see why RCs are extremely desirable among researchers and advanced astrophotographers. If you want RC instead of CDK then the price rises a lot and their PlaneWave 20" RC OTA only is same price. 2018-2023 All rights reserved, reproduction prohibited, even partial. AMOS telescopes include a 1.6 meter telescope, an 80 centimeter Beam/Director Tracker, and a 60 centimeter Laser Beam Director. Observing conditions change constantly and will cause a once sharp view to become blurry or allow a blurry view to clear up in seconds. The Ritchey-Chretien is a favorite of advanced astro-imagers due to it's wide, flat field of view and it's accommodation of large sensors, The folded optical path of the RC telescope shortens the tube length for more portability, Coma and spherical aberrations are corrected on the Ritchey-Chretien for better images, The Ritchey-Chretien has a flat focal plane for sharp focus across the field, The Ritchey-Chretien has the highest cost per inch of aperture, Most RC's are large and require high-end, big equatorial mounts. Don't worry, there is a great selection of telescopes for users of all ages and abilities, but it helps to know whether you will need a telescope that is lightweight or at least a telescope that breaks down into multiple components to make the task of set-up, breakdown, and transport more manageable for the person who will be using it. This is an ideal project for the radio astronomer that has limited space. We deliver from Sydney to anywhere Australia-wide including Perth, Melbourne, Brisbane and even New Zealand. Urban Infotech 40X60 Mobile Telescope High Powered Tele. An Imaging Newtonian is a fast reflector telescope that is normally optimized for astrophotography or astro-imaging. The feedhorn is positioned at the perfect point of focus of the antenna through a rigid structure with four supports to minimize obstruction, with a focusing device to precisely focus and maximize the performance of the entire radio telescope. The Maksutov-Cassegrain telescope has an interesting design, and if you love the views through a long refractor, the Mak-Cass might just win you over. Is it a rapid pointing telescope or a 'sit and stare' telescope? If that keeps happening, it doesn't matter how big your telescope is because it is not being used. Some even tell you about the object while you are looking at it. Telescope Cases, Covers & Dobsonian Shrouds, Apertura 6" f/9 Ritchey-Chretien OTA telescope, telescope smartphone adapter to take quick photos, Refractors require the lowest maintenance of any telescope design, The closed tube design of a refractor keeps out air currents that decrease image quality, By adding an image-erect prism diagonal, a refractor can be made to display images that are oriented correctly for daytime use, Longer focal length refractors achieve higher contrast images and darker background skies, Refractors have a higher cost per inch of aperture than reflectors, Refractors are expensive to make in apertures larger than 6", making them prohibitive for most people. Other aberrations, such as astigmatism, can be greatly reduced with an additional field flattener. While there are some exceptions to the rule, achromatic refractors use two lenses in their design, and while they are economical, achromats are only capable of focusing two out of three wavelengths of light. 14 watching. I have a property in Arizona that i've been considering using to build an observatory I am very interested in purchasing a 1 Meter telescope. The MWO is located on Mount Wilson, a 1,740-meter (5,710-foot) peak in the San Gabriel Mountains near Pasadena, northeast of Los Angeles. A basic rule of thumb for maximum magnification is 40X-50X per inch of aperture, with max magnifications generally topping out at 500X or so regardless of the aperture. This brings you a little closer, and depending on the eyepiece, you may have some luck. You need the protection of a dome from dew, frost, wind. An equatorial mount is designed to track the stars as they move across the sky due to the Earth's rotation. "mainEntity": [{ He did my 400 mm Rumak to a high standard. You can use a telescope to do some or ALL of the pursuits listed above. Explore Scientific Firstlight Dobsonian Bundles, Angle Adjusters, Adaptive Optics & Field De-Rotators. Although astigmatism can elongate stars off axis, the center of the star remains in a position that keeps it measurable for star positions. My club's .6m RC cost almost 300K 20 years ago and the dome and building it's housed in was almost 100K. They not only allow you to increase magnification on nights of good seeing, but decrease magnification when the air is less steady. Smaller NexStar SE telescopes are also available if you want something even more portable that costs less. The Itty Bitty Telescope (IBT) can be made from a small TV satellite dish. A Dobsonian telescope for instance, is a Newtonian reflector on a simple rotating box-style mount. All debit and credit cards taken No PayPal Collection from our boatyard by arrangement . Another amazingly popular telescope is the Celestron NexStar 8SE. Whatever you need for your observatory, we are ready to rise to the challenge and build an exceptional dome for you. Reflector telescopes use mirrors to magnify incoming light. Refracting telescopes come in a variety of optical sizes, from the super portable inexpensive 50 mm to about 150 mm, or approximately 6". JavaScript seems to be disabled in your browser. Webb Telescope's scientists and engineers determined that a primary mirror 6.5 meters (21 feet 4 inches) across is what was needed to measure the light from these distant galaxies. The NexDomeslight weightmakes motorizing the dome easier. Don't worry, this is not a test on your telescope knowledge! The eyepiece provides a particular magnification when paired with a telescope, therefore most amateur astronomers use a variety of eyepieces to change magnification for different types of objects. Share. Prices will also increase for computerized telescopes, but if you can swing it, a GoTo computerized telescope is worth it! This way you cannot only record data coming from the sky (deleting eventual artificial signal interferences) but also transits or radio-images of radio sources in the sky you want to study. Astro-Physics telescopesare world-renowned for sharp, high-contrast image quality and mechanical construction. Direct: 781-871-8868 Weight: 161.55ozs (4580g) Length: 17.1in (43.4cm) Price Range. You will find that maximums vary depending on the night. Amateur astronomers also buy telescope optical tubes so they can build a custom telescope system, with an equatorial mount and either a traditional tripod or placed on a pier in their personal observatory. High Point Scientific offers a wide range of used telescope accessories for sale, from used eyepieces to used equatorial mounts. To help, we've laid out the differences in this guide so you can easily find the right one for you. After that, it all depends on what you'd like to do with your telescope, because there is no one telescope that is "best". The point is, if you want aperture, portability AND electronics, look into a Schmidt-Cassegrain or EdgeHD telescope in the size you'd like, and then choose whether to have it ride on an equatorial mount and tripod or a computerized alt-azimuth mount and tripod. 0 out of 5. ", The Obsession 15" UC (Ultra Compact) is the ultimate compact scope for the discriminating enthusiast who wants big aperture in a small package. F36050M High Power TeleScope Gift for Kids, Adults, Beginners to Explore Moon, Space, Planets, Stargazing, Wildlife Bird Watching Day-Night Sky, Hunting, Outdoor Travelling. Check out our 2022 telescope buying guide here! RCs are not ideal for wide field deep sky work. These can work well for casual viewing and will allow you to see the planets of the solar system, other objects in the night sky, and but deep-sky objects like galaxies and nebulae may . Newtonian reflectors are the least expensive telescope design per inch of aperture, Reflectors are offered in large apertures to see into deep space, A reflector does not suffer from chromatic aberration or false color, The long open tube of a Newtonian reflector keeps dew from forming on optics, Reflectors require regular collimation for best results, Thermal air currents in a reflector's open tube assembly can distort the image, Reflectors have lower contrast than refractors of same aperture due to secondary mirror obstruction, The optics of a reflector are open to the air and so susceptible to dust & other particles, A parabolic primary mirror produces coma at edges of field, which is especially noticeable with faster f/3 -f/6 reflectors, Reflectors are not best for terrestrial use because they produce an upside-down image that cannot usually be corrected, Catadioptric telescopes have a folded optical light path for the best portability of all the designs, There is a huge selection of accessories available for Cat telescopes, allowing you to grow your system over time, Telescopes with a catadioptric design do not suffer from chromatic aberrations, Schmidt-Cassegrains and other catadioptric scopes are decently priced for the aperture and build quality, Catadioptric telescopes are available with or without an alt-azimuth or equatorial mount, Collimation of optics is required occasionally, although not as often as reflectors, Catadioptric telescopes are more complex than reflectors or refractors, with more moving parts, The secondary mirror obscures a percentage of light, similar to reflectors, Catadioptric scopes, especially larger Maksutov-Cassegrains, are more expensive than Newtonians of the same aperture, 1. Read our 101 article or get in touch. 100K for a 1m scope is going to be next to impossible. The acronym SCT stands for Schmidt-Cassegrain Telescope, one of the most popular telescope designs in amateur astronomy today. We will be glad to help. You will find Observa Dome systems in the world's highest accessible observatories14,274 feet above sea levelthe lowest areas80 feet below sea levelas well as some of the hottest climates and most tumultuous weather extremes. "acceptedAnswer": { f/9), prime-focus, or afocal optical designs, Dual Nasmyth-Focus Ports with rotating Tertiary-Mirror, Coud path compatibility for one Nasmyth Port, with 5 beam diameter, Secondary-Mirror focusing using a high-precision Hexapod, Altitude-Azimuth Direct-Drive Design with Slew-Ring Azimuth Bearing, Torsion-box and Space-Frame design, similar to the PW1000, Light-Weighted Ultra-Low Expansion Primary Mirror for exceptional thermal stability, Wiffle-Tree Floatation Point Primary-Mirror Cell, Primary-Mirror removal and lifting systems, Integrated Telescope Control Software PWI4, Automated pointing modeling, using PointXP, Robotic pointing and tracking control (sidereal and non-sidereal rates), Robotic focusing, de-rotation, fan and dew-heater control, HTTP API interface, and available for Windows and LINUX platforms, Final sizes and weights are not yet available, Light-weighted Primary-Mirror for faster cooling and an overall lighter weight telescope compared to comparable scopes, Minimal observatory footprint; can be housed in a dome as small as 9 meters, Available in Corrected Dall-Kirkham (CDK), Ritchey-Chretien (approx. "acceptedAnswer": { Read our 101 article or get in touch. Click Learn More to find your perfect Ritchey Chretin. } Since the Ritchey-Chretien telescope uses mirrors to gather light it is technically a reflector, but unlike the more common Newtonian, the RC - short for Ritchey-Chretien - has a Cassegrain configuration.
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