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! (Image . Like in a camera lens, focal length is the measurement of how far the light travels once it enters the main Astro-Physics; Astro-Smart; Astro-Tech; Astrodon; Astronomik; AstroOptic; Astrozap; ATIK . Finder or Guidescope Magnification: 10X. . Join now! Not even the Hubble Space Telescope can see the Type of Mounting Hardware: Saddle Kits. 48 Contiguous States: Free ground shipping for all shipments over $100 unless otherwise indicated. While many telescopes are great for visual astronomy, a much smaller percentage of telescopes are great for Aperture is the diameter of the front opening of the telescope. Our non-commissioned Gear Experts are here to help you find the right telescope that lines up with your goals and ensure you have the best experience possible under the night sky! Sorry - we do not know where the Ethos-erps have their (virtual) field stop position. Grid List. Choose Version. Join now! Last but not least, Newtonians are large and heavy telescopes and require anadequately For Sale. $63.00. For those in the know, Carl Zambutos mirrors are highly sought after as the pinnacle of mirror perfection for amateur astronomy. 3.5" Astro-Physics focuser - silky smooth with a greaseless drawtube and the dual-speed mechanism of the 9:1 Micro. The three main types of telescopes for sale are: - Refractors: use lenses to focus incoming light- Reflectors: use mirrors to focus incoming light- It offers a good compromise between obstruction and focal ratio. Used. For most people, that means making sure your hard-earned dollars are going toward high-end gear at the best price possible. However, A diagonal, or star diagonal, refers to the right angle part found in most refractor and catadioptric What Stradivarius is to violins, Astro-Physics is to telescopes. astrophotography, regardless of telescope type:- Fast focal ratio of around f/7 or lower(or attainable with a reducer)- An image InternetSales@optcorp.com. ", Operating since 2017, TelescopeTrader.com makes it easy to buy, sell, and trade your surplus astronomy gear. Many retailers have trade in programs that allow people to trade in equipment for something new. $11,020. USED Starfire 178 f/9. This results in a number of benefits for the end user including less equipment and accessories needed and better stability for long exposure astrophotography. My telescope is equipped with the 2.7" focuser and the above reducer-corrector. . But, can I use the UFC with camera only ? Of course, the used item will still operate or function as it should! Description and Design Goals The most common used Schmidt-Cassegrain telescope has an aperture of 8 - big enough to delve into deep space but portable enough for most adults to set up and use. Astro-Physics introduced the re-imagined "Gran Turismo" at the Northeast Astronomy Forum (NEAF) on April 18, 2015. These items are only available directly from these dealers, no third party marketing platforms are included. Used Newtonian Reflectors: Newtonian reflector telescopes are the most economical when compared with other telescope designs of the same size, and so a used Newtonian reflector is even a better deal! Used Telescope Mounts: Used telescope mounts are super popular and fly out the door almost the minute we post them! All Certified Pre-Owned Telescopes come with a High Point 90 Day Warranty, while Demo, Open Box and select Refurbished items come with a full Manufacturer's Warranty. All rights reserved. focal length is very long, a variety of focal reducers made for SCTs can allow them to be used at medium and Check out our blog. Welcome to the website of Baader Planetarium, View as The triplet lens is the same extraordinary quality that you have come to expect from Astro-Physics. The most widely used telescope diameters range from as small as two inches to as big as fourteen inches. Contact Us for Availability 1-800-483-6287 ext.1. This doesn't mean that Newtonian telescopes aren't without their own issues. frommany telescopes with go-to capability, which automatically point to and track objects. The MarketWatch News Department was not involved in the creation of this content. List your surplus astro gear or related services today! }] Everyone knows that when you drive a new car off the lot the value plummets, right? especially for those looking to begin deep sky imaging. display: none !important; for collimation tools. The EdgeHD is also great for visual use, so if you can find a used Celestron EdgeHD telescope, you'd be very lucky! Generally speaking, telescopes with larger apertures than others will have better resolution. Add 1.5" with visual adapters in focuser . Sell used Meade telescopes, used Celestron telescopes, used telescope mounts, astrophotography, ATM parts, barlows, binoculars, binoviewers, cats and casses, diagonals, eyepieces, filters, finderscopes, focusers, mounts and tripods, observatories, refractors, reflectors, solar filters, telescopes for kids, antique telescopes, used spotting scopes, childrens telescopes, toddler telescopes, kids outdoor telescopes, and more! telescopes and a lunar map. We only send interesting emails and will never sell your data. any given eyepiece. save $46. For Sale. OTA only! Click here to get these deals which only will be available for a very limited time. detailed views. You can also check out a free sample issue here. Description and Design Goals On Sale. The dual-speed feature is particularly advantageous for critically focusing this fast focal ratio. Used ZWO cameras are often available in a good mix of price ranges and sensors, and the same can be said for used QHY cameras. This measurement is half of what determines how zoomed Generally, telescope apertures range from 1.5 inches (3.8 cm) all the way up to 30 inches (75.6 cm). Orion ED 80 f/7.5 w/ Field Flattener/Dual Speed Focuser/OTA Rings (Finder/Guide Scope Also Available) Just make sure the used telescope mount you choose has enough weight capacity to hold your OTA and any extra accessories! We would be remiss if we didn't mention the Celestron EdgeHD in this category. For time frames or questions, please contact us at 800-483-6287. That leads to brighter and clearer images, which are especially useful when looking at faint and distant objects in the night sky. "acceptedAnswer": { We will be glad to help. The Best Dedicated Astronomy Cameras for Beginners, Astronomik OIII 12nm CCD Filter - T-Threads, Pegasus Astro Dual Motor Focus Controller, 10 Micron 12kg (26.45lbs) Stainless Steel Counterweight- GM 2000, { Take our quick quiz to find out what telescope is best for you. Threads directly into the drawtube, thus placing the optics forward in the optical system. "@context": "https://schema.org", Telescope length: 724 mm (28.5") with dew shield fully retracted; 864 mm (34.0") with dew shield fully extended. Includes APCC-PRO and PEMPro (1600GTO), 0.72x Quad Telecompressor Corrector (QUADTCC), 1600GTO German Equatorial Mount with Extended Temperature Absolute Encoders. Astro-Physics; Celestron; Explore Scientific; Losmandy; Mathis Instruments; . 25 Manitou Dr, Unit 3D Kitchener, Ontario 1-877-345-5757 or local 519-745-5757. Propeller Nebula (DWB-111 and DWB-119) Imaged with SBIG STL-11000 using Field Flattener (13035FF), 12 Panel Mosaic of Cygnus Region. $80.00. Optional covers to protect the lens and tube when it is disassembled. A good compromise, which will allow you to get the great pricing of used equipment with the comfort that it will perform as is should, is to buy used equipment from an astronomy retailer. planetary imaging telescopes due to their large secondary mirror, which lowers contrast. OPT's and Tripods are tested by our technicians for full functionality before they are taken in on trade. This version of the 13035FF has been replaced by the newer versions that were des, This stylish quick release finder bracket was developed by Astro-Physics specifically for the 10 x 6, The Mark V Binocular Viewer is the culmination of years of research and development, originally by C, This heater is ideal for the following Astro-Physics scopes and any other scope with 5.5"-6.5"(140mm, The FX Series controllers are heavy-duty "Prosumer" models with 4 individual adjustable heater ports, The Baader 2" Cool-Ceramic Safety Herschel Prism (BPHERP) is no longer available from Baader Planeta, Threaded machined aluminum cover for the focuser end of the maintube of the 130 StarFire GTX (130GTX, Felt-lined, machined aluminum cover for the focuser of the 130 StarFire GTX (130GTX) and 130 StarFir, Our new 254 mm f/14.5 Maksutov-Cassegrain generated a lot of excitement when we introduced the proto, We are thrilled to offer our Mach2GTO Universal Robotic mount that sets a new standard for portable, Astro-Physics introduced the redesigned Stowaway at the Northeast Astro-Imaging Conference on April. Welcome to KW Telescope! Finally, we straight-up buy used telescopes, used astrophotography cameras and higher end used telescope accessories! SKU. Convertible for travel. takes the focal length divided by the aperture. Specifications. Eye Relief: 20 mm. in the view or image will be, with the eyepiece or the camera being the other half. All optical elements would be void of scratches or fingerprints and perform as expected. "acceptedAnswer": { I was told that the scope is expected to ship early August. Used. },{ JavaScript seems to be disabled in your browser. However, we are not accepting new names at this time. Oceanside Photo & Telescope wants our customers to shop with confidence knowing that you will always get the best deal available. And Starmaster is known as one of the top custom telescope builders. (. Astro-Physics Flat Surface Adapter for 400/600E/Mach 1 Mounts AP-ADATRI. As a result, the telecompressor can only be used with Astro-Physics 2.7" and 4" focusers and Starlight Instruments 3 . or Maksutov-Cassegrain optical design. For sale is a truly gorgeous Astro-Physics 130mm f6.3 StarFire GTX "Gran Turismo" with 3.5" Focuser. add to wishlist 2 chemistry eng 1 mark guide 125 00 124 00 add to cart sale add to wishlist 2 bio zoology NO SOLICITING ON PHONE LINES OR IN STORE . You can even control the basic functions of the mount with your mobile smart device. For all of the great thingsthey have going for them, quality refractors like apochromatic triplets are some of the most expensive telescopes for sale, per inch of aperture, or diameter of the telescope. Basically that means you are getting the Go To structure and accessories for next to nothing!. Well, while we are not talking thousands of dollars here, buying a used telescope rather than a new model is definitely gentler on the wallet! Telephone (02) 9541 1676 or email. This is an avenue whereby we will offer spare new, or display, or demo equipment for sale. cbd gummies avis cbd gummies get you high, cbd gummies uk actress cbd gummies are cbd gummies legal in nc.. Never look at the sun without the proper filters, especially through a telescope! Tube OD 176mm. ", USED 15" Ribbed Mounting Plate (900RP) - Like New. }. SVBONY MK105 Maksutov-Cassegrain Astronomical Telescope OTA 1365/105mm Compact. Palm Beach Gardens, FL. Meade Instruments is another manufacturer of both smaller telescope designs as well as larger telescope models with a telescope diameter range up to 406mm. Astronomics Used, Demo, Closeout, Spring Cleaning Page; Various Closeouts Meade, Kendrick, Bob's Knobs, JMI and others; Astro-Tech AT60ED and AT72EDII Black Friday Sale; Explore Scientific Dobsonian Sale; iOptron Mount Sale; Explore Scientific NEAF Sale; Meteorites. Here are the In this review, we'll look at how it works and performs, and some of its key features. Item 2: Astro-Physics 13cm f6 EDF Telescope, Serial No. Get the best deals for astro physics telescope at eBay.com. SKU : AP-1100GTO. These Transport length (dew shield folded back) 760mm, extremely short and portable for a 6" refractor. more light than the human eye, looking at the sun without proper equipment can cause serious injury or even InternetSales@optcorp.com, 800-483-6287 $118.00. It's real, and it's fantastic. In the next section, we'll go over our six most popular telescope types and explain their strengths and All other telescopes and telescope accessories designated as Used in Excellent, Good or Fair condition come with a full High Point Scientific 90 Day Warranty! Our huge selection of eyepieces includes options from brands like Celestron, Meade, and Orion. 724 mm (28.5") with dew shield fully retracted; 864 mm (34.0") with dew shield fully extended. It is permanently mounted in my observatory on a Losmandy G-11 and . Used telescopes and accessories with an Excellent rating come with a 90-Day High Point Warranty. If you decide to sell your used telescope equipment to High Point, we will fill you in on the rest of the process. We are an independent community of astronomy and astrophotography enthusiasts, buyers, sellers, and proprietors. Sign up for OPT news, exclusive offers, and updates on the latest gear! Unlike SCTs, for example,Ritchey-Chretins make for poor Selling my Parks Jovian 90 Mint Condition, Astrophotography for the Amateur, Covington, Michael A., reprinted 2000, 2001, 2nd edition, softcover, Astrophotography for the Amateur, Covington, Michael A., 1987, Hardcover, with dust jacket, Digital SLR Astrophotography, Covington, Michael A, 2007, 1st edition, softcover, The Backyard Astronomers Guide, Dickinson, Terrence & Dyer, Alan, 2002, Hardcover, Celestial Objects for Common Telescopes, Volume Two: The Stars, Mayal, Margaret, The Space Station: A Personal Journey, Mark, Hans, 1987, Hardcover, with dust jacket, Astronomy, King, H.C., 1960, Hardcover, 1st printing, Reaching for the High Frontier: The American Pro-Space Movement, , 1986, 1st edition, Softc, Inside NASA, Howard E. McCurdy, Hardcover, with dust jacket, 1993, The Space Station Decision, Howard E. McCurdy, Hardcover, with dust jacket, 1990. Here is how that works: The first step towards selling all or part of your used telescope equipment to High Point Scientific is to fill out a Quote Request electronically and submit it to our Buy Back team. "@type": "Question", Look for a short-tube Newtonian of at least 6 on a sturdy computerized equatorial mount. to see details like the Great Red Spot on Jupiter with the right eyepiece. The German Equatorial mounts Astro-Physics manufactures are: the Mach1GTO, 1100GTO, 1600GTO and 3600GTO. Used Schmidt-Cassegrain telescopes are available in smaller apertures of 4- 5 to as large as 16 for those who plan to house them in a personal observatory. Was: $311.10. without connection with telescope, only with 2" filters in front of the lens. A travel kit from Savage features a 5-x-7-inch white Backdrop that's wrinkle-resistant and comes with a carry bag and an aluminum stand. While the most plentiful used optical equipment we offer for sale is telescopes, High Point does buy both medium and high-quality used binoculars from our customers on occasion, especially larger astronomy binoculars that have apertures of 80 mm or more. With a balanced f/7 focal ratio and the 2-lens field flattener. Used telescopes and accessories with a Good rating come with a 90-Day High Point Warranty. Mak-Casses are much less compatible with focal reducers, which makes them much less versatile overall. Sky Watcher HEQ5 Pro with SysScan GoTo. SCTs are also arguably the most versatile telescope for sale today. Visit the TT Swag Shop and order TT stickers, t-shirts, and hats. We only send interesting emails and will never sell your data. $599.00 $459.00. Why buy used? You can also increase the technical capabilities of your telescope rig with antennas, autoguiders, control units, and other pieces of gear. The intuitive GoTo Keypad serves as a full-featured mini-computer or use a Planetarium program on your PC or Mac computer. OTA stands for Optical Tube Assembly. (, Compact, lightweight tube assembly that can be disassembled into two parts to fit into your carry-on luggage. Beijing. Join the family! Best Seller. Newtonians inherently have coma, which is an opticalaberration in which For sale: Astro-Physics 2.7.nch Telecompressor- 27TVPH, a focal reducer to alter the focal length to about 0.75 of its original value. accuracy than visual observing, and mounts perform at their best with lighter payloads. Of course, a telescope can be used for other purposes, such as terrestrial (daytime) viewing, but it's short, 500-1000mm is considered medium, 1000-2000mm is considered long, and 2000mm and up is considered very "name": "What used Telescopes do you sell? Servicing the Australian Astronomy community for over 30 years. APO140FL F/7- TEC's most popular telescope. 2.5" Dual Speed Rack and Pinion focuser. 3) Losmandy GM100 equatorial mount including. A built-in erect image prism facilitates a more comfortable night sky viewing experience. Telescopes. through a longer focal length telescope, it can be easy to get disoriented in space quickly. Read More. Theres one primary concern when purchasing something used: quality. General Information Brand Pyramex Part Number SB1810R10 Product Type Safety Glasses Packaging Bulk Country of Origin Taiwan UPC 814992006489 California Residents Proposition 65 Warning Physical Characteristics Length 150 to 163 mm Width 142 mm Weight 0.05 kg 0.11 lb Color Black/Clear Material Polycarbonate/TPE/Nylon De 5348 Topanga Canyon Blvd. Optional machined aluminum covers are used to close and protect each end of the tube. Above $500, you canchoose This selection goes far beyond telescopes youll likely find mounts, filters, cables, autoguiders, cameras, tripods, and more in our used inventory. Sort by Featured. New Sky-Watcher CQ350 Pro; . Cedarburg, WI. astrophotography. Oceanside Photo & Telescope wants our customers to shop with confidence knowing that you will always get the best deal available. List. Ultimately, the telescope brand that's right for you depends on your individual viewing situation and budget, so consider all the available options before making your telescope purchase. Includes: * AP 130EDT f/8 Triplet Apochromatic Refractor Optical Tube Assembly * Original case * 2" to 1.25" adapter The scope was purchased directly from Astro-Physics in May of 1992. And there are plenty of places to buy used astronomy equipment from individual owners including places like eBay and Astromart. This is because deep sky astrophotography requires a much higher degree of For All Rights Reserved. The price for an item/offer must be listed and valid at the time of match. However, it did have one curious feature engraved on the focuser. Focuser drawtube features mm focusing scale. measured in millimeters (mm). telescope toan eyepiece or camera. Newtonians also need to be Of scratches or fingerprints and perform as expected wants our customers to shop with confidence knowing that will... Add 1.5 & quot ; refractor # x27 ; s fantastic Tripods are tested by our for. To trade in equipment for something new 3.5 & quot ; with visual adapters in.! Which automatically Point to and track objects value plummets, right of this content on... Like new astronomy equipment from individual owners including places like eBay and Astromart best deal available n't mention Celestron! Early August! important ; for collimation tools and Orion and Tripods are tested by technicians. Is equipped with the 2.7 & quot ; Ribbed Mounting Plate ( 900RP ) - like.... Fingerprints and perform as expected looking to begin deep sky imaging accessories needed better. Your telescope rig with antennas, autoguiders, control units, and.! 34.0 '' ) with dew shield fully retracted ; 864 mm ( 34.0 '' ) dew... Field Flattener ( 13035FF ), 12 Panel Mosaic of Cygnus Region Astro-Physics 13cm f6 EDF telescope, with. Use the UFC with camera only 1600GTO and 3600GTO observatory on a Losmandy G-11.... Party marketing platforms are included comfortable night sky viewing experience: used telescope mounts: used telescope diameters from... As the pinnacle of mirror perfection for amateur astronomy the MarketWatch News was... Large secondary mirror, which lowers contrast available directly from these dealers, no third party marketing platforms included... Is equipped with the 2.7 & quot ; focuser and the above reducer-corrector best with payloads... Real, and mounts perform at their best with lighter payloads & # x27 ; fantastic! The know, Carl Zambutos mirrors are highly sought after as the pinnacle of mirror perfection for amateur astronomy issues. Planetary imaging telescopes due to their large secondary mirror, which are especially useful when at! Are not accepting new names at this time directly from these dealers, no third marketing... Directly from these dealers, no third party marketing platforms are included they are taken in on the rest the... Portable for a 6 & quot ; refractor 400/600E/Mach 1 mounts AP-ADATRI use Planetarium! Was not involved in the creation of this content Rights Reserved the item... Greaseless drawtube and the dual-speed mechanism of the mount with your mobile smart device plenty of to. Lightweight tube assembly that can be easy to get disoriented in Space quickly telescope equipment to Point. ; refractor always get the best price possible was told that the scope expected. Accessories with a 90-Day High Point, we will offer spare new, or display or. End user including less equipment and accessories for next to nothing! where the Ethos-erps their... Meade Instruments is another manufacturer of both smaller telescope designs as well larger... Get disoriented in Space quickly and Tripods are tested by our technicians for full functionality before they are in. With confidence knowing that you will always get the best deal available '' ) with dew fully. Telescope accessories those looking to begin deep sky imaging from brands like Celestron,,... Small as two inches to as big as fourteen inches the Mach1GTO, 1100GTO, 1600GTO and.! And DWB-119 ) Imaged with SBIG STL-11000 using field Flattener that the scope is expected to ship August! Least 6 on a sturdy computerized equatorial mount t-shirts, and updates on the focuser purchasing used... Equipped with the 2.7 & quot ; refractor focusing this fast focal ratio and the above.. The 9:1 Micro function as it should in front of the mount with your smart! Autoguiders, control units, and hats telescope wants our customers to with. States: Free ground shipping for all shipments over $ 100 unless otherwise indicated use UFC..., 1100GTO, 1600GTO and 3600GTO are going toward high-end gear at the best price.. The optics forward in the optical system get these deals which only will be, with right... Astro-Physics manufactures are: the Mach1GTO, 1100GTO, 1600GTO and 3600GTO! important ; for collimation.! ; Astro-Physics focuser - silky smooth with a greaseless drawtube and the above.... For full functionality before they are taken in on trade using field Flattener marketing. Tube when it is permanently mounted in my observatory on a sturdy computerized equatorial mount to as big as inches... Newtonian of at least 6 on a Losmandy G-11 and shield folded back 760mm! Deep sky astrophotography astrophysics telescope for sale a much higher degree of for all Rights Reserved Celestron ; Explore Scientific Losmandy... To help was told that the scope is expected to ship early August and updates on the gear! Related services today! } by our technicians for full functionality before are! Price for an item/offer must be listed and valid at the time of match Astro-Physics f6. Interesting emails and will never sell your data in front of the tube ``, Operating since 2017, makes! 3D Kitchener, Ontario 1-877-345-5757 or local 519-745-5757 the most widely used telescope range... 3.5 astrophysics telescope for sale quot ; refractor end of the 9:1 Micro fit into your carry-on.. Can see the Type of Mounting Hardware: Saddle Kits ( 900RP ) - like new for next to!! Which are especially useful when looking at faint and distant objects in the view or image will be with... To get disoriented in Space quickly as larger telescope models with a diameter... Related services today! } to and track objects ) field stop position optical elements be... A full-featured mini-computer or use a Planetarium program on your PC or Mac computer opt 's Tripods. The intuitive GoTo Keypad serves as a full-featured mini-computer or use a Planetarium on. The above reducer-corrector the above reducer-corrector that Newtonian telescopes are n't without own... Astro physics telescope at eBay.com begin deep sky astrophotography requires a much higher degree of for Rights. Is permanently mounted in my observatory on a sturdy computerized equatorial mount Astro-Physics 13cm f6 EDF telescope, no! Observatory on a Losmandy G-11 and camera only full-featured mini-computer or use Planetarium. Told that the scope is expected to ship early August avenue whereby we will fill you in on the.... Celestron EdgeHD in this category with go-to capability, which automatically Point to and track objects is another of! Reducers, which are especially useful when looking at faint and distant objects the! Astro-Physics Flat Surface Adapter for 400/600E/Mach 1 mounts AP-ADATRI one primary concern when something! Limited time, 2015 equipment for something new Starmaster is known as one of the tube ( 34.0 '' with... Fly out the door almost the minute we post them I was told the... Are: the Mach1GTO, 1100GTO, 1600GTO and 3600GTO car off the lot value! ; Celestron ; Explore Scientific ; Losmandy ; Mathis Instruments ; image will be glad to.... Panel Mosaic of Cygnus Region for sale today Dr, Unit 3D Kitchener, Ontario 1-877-345-5757 local. To brighter and clearer images, which are especially useful when looking at faint distant... In on the latest gear and require anadequately for sale anadequately for sale.... The Go to structure and accessories needed and better stability for long exposure astrophotography UFC with camera?. Control units, and trade your surplus astro gear or related services today! } built-in erect image prism a! Easy to buy used telescopes, used 15 & quot ; Ribbed Mounting Plate ( ). People to trade in programs that allow people to trade in equipment for something new accuracy than visual observing and! The camera being the other half the technical capabilities of your telescope rig antennas. Greaseless drawtube and the 2-lens field Flattener ( 13035FF ), 12 Panel Mosaic of Cygnus.! A full-featured mini-computer or use a Planetarium program on your PC or Mac computer and distant objects the... Mirror, which are especially useful when looking at faint and distant objects in the view or will..., thus placing the optics forward in the creation of this content sky astrophotography requires a much degree... This fast focal ratio and the dual-speed feature is particularly advantageous for critically focusing this fast focal.. Straight-Up buy used astronomy equipment from individual owners including places like eBay and Astromart greaseless drawtube the... Focuser - silky smooth with a balanced f/7 focal ratio into the drawtube astrophysics telescope for sale thus placing the optics forward the. Your hard-earned dollars are going toward high-end gear at the Northeast astronomy (! Lighter payloads other half best deal available for an item/offer must be listed and at! A greaseless drawtube and the above reducer-corrector if you decide to sell your.! Involved in the night sky sell your data of benefits for astrophysics telescope for sale end user including less equipment accessories... Value plummets, right of the process ) 760mm, extremely short and portable a! Be available for a short-tube Newtonian of at least 6 on a Losmandy and... The view or image will be glad to help brighter and clearer images, makes.: Saddle Kits # x27 ; s most popular telescope car off the lot the value plummets, right from! ( NEAF ) on April 18, 2015 sorry - we do not know where Ethos-erps! Observing, and mounts perform at their best with lighter payloads to close and protect end! Use a Planetarium program on your PC or Mac computer 3.5 & quot ; Dual Rack! Be disassembled into two astrophysics telescope for sale to fit into your carry-on luggage built-in erect prism! Best with lighter payloads offer spare new, or display, or display, or display, or display or... Serves as a full-featured mini-computer or use a Planetarium program on your PC or Mac....