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    Telescope Optical Tube Assemblies
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    Telescope Optical Tube Assemblies

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    Orion EON 115mm ED Triplet Apochromatic Refractor Telescope
    The Orion EON 115mm Triplet ED Apochromatic Refractor features exquisite optics and mechanics for the discerning observer and imager. Features a 2.5" focuser, twist lock compression rings, sliding dew shield, and includes a hard case for transport.
    € 1,599.99
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    Orion EON 130mm ED Triplet Apochromatic Refractor Telescope
    The Orion EON 130mm Triplet ED Apochromatic Refractor features exquisite optics and mechanics for the discerning observer and imager. Features a 2.5" focuser, twist lock compression rings, sliding dew shield, and includes a hard case for transport.
    € 2,499.99
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    Orion ED80T CF Triplet Apochromatic Refractor Telescope
    4.5 / 5.0
    The Orion ED80T CF is perfect for the amateur astrophotographer and visual enthusiast. This 80mm aperture apochromatic refractor provides true to color views and images. It is light weight and portable so you can view and photograph anywhere.
    € 1,099.99
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    Orion 8" f/8 Ritchey-Chretien Astrograph Telescope
    5.0 / 5.0
    This 8" aperture Ritchey-Chretien optical tube is ideal for the advanced astrophotographer using small format CCD cameras and DSLRs. Offers a wide, fully illuminated field with pinpoint star clarity and includes an array of high-end features.
    € 1,099.99
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    Orion ED80 80mm f/7.5 Apochromatic Refractor Telescope
    4.9 / 5.0
    In the Orion ED80 Apo Refractor, images appear extremely sharp with no false color. This telescope is suited for viewing both planetary and deep-sky objects as well as for astrophotography. Perfect for the intermediate observer or astrophotographer.
    € 499.99
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    Orion ShortTube 80 Refractor Telescope Optical Tube Assembly
    4.8 / 5.0
    As a guide scope for long-exposure astrophotography or as a wide-field visual telescope, the "ST80 OTA" is a pint-sized powerhouse. Sold without accessories, this versatile 80mm f/5 achromatic refractor is ready to customize to your needs.
    € 119.99
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    Orion Apex 127mm Maksutov-Cassegrain Telescope
    4.9 / 5.0
    Outstanding image quality, incredible range of use, and portability make the Apex 127mm Mak-Cass perfect for the intermediate viewer. Use with any mount or tripod for nightitme or daytime viewing.
    € 449.99
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    Orion Apex 102mm Maksutov-Cassegrain Telescope
    4.7 / 5.0
    The compact yet powerful Orion Apex 102mm Maksutov-Cassegrain telescope is great for observers wanting to get fantastic views during the night or day. Small enough that you can tuck it into a daypack or store it on a bookshelf.
    € 299.99
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    Orion 150mm Maksutov-Cassegrain Telescope Optical Tube
    4.9 / 5.0
    The compact Orion 150mm Mak-Cass Telescope Optical Tube Assembly (OTA) opens up new vistas of the celestial landscape for your viewing pleasure, putting superior resolving power at your disposal. Sold as OTA only, without accessories.
    € 679.99
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    Orion CT80 80mm Compact Refractor Telescope Optical Tube
    3.3 / 5.0
    The fully coated Orion CT80 refractor is a compact, 80mm aperture telescope optical tube that delivers bright, wide-field views. Great for use as a guide scope, or for daytime viewing and stargazing. All accessories sold separately.
    € 109.99
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    Orion 120mm f/5.0 Refractor Telescope Optical Tube Assembly
    4.8 / 5.0
    This compact large-aperture f/5 refractor telescope is perfect for wide-field views and deep-sky pursuits. Weighing in at just 8.6 pounds, the 120mm f/5 Refractor OTA makes a great portable telescope for astronomers on-the-go.
    € 299.99
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    Orion 10" f/8 Ritchey-Chretien Astrograph Telescope
    Go after even the most elusive and faint deep-sky targets with the Orion 10" f/8.0 Ritchey-Chretien Astrograph. Featuring flat-field, virtually coma-free optics for superb imaging performance, the Orion 10" RC boasts a plethora of deluxe features.
    € 2,399.99
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    Orion 6" f/4 Newtonian Astrograph Reflector Telescope
    4.7 / 5.0
    With fast f/4 optics and 94% reflectivity coatings, this 6" Newtonian Astrograph acquires high-resolution images of deep-sky objects with short exposure times so you can get great results quickly. Includes 8x50 finder, hinged tube rings and more.
    € 449.99
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    Orion 254mm f/4.7 Reflector Telescope Optical Tube Assembly
    4.8 / 5.0
    Do you already own an equatorial mount? Add the Orion 254mm optical tube to get vivid, close-up views of deep-sky and solar system objects. This telescope includes a prime-focus camera adapter for astrophotography.
    € 549.99
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    Orion 6" f/9 Ritchey-Chretien Astrograph Telescope
    4.7 / 5.0
    This compact 6"-aperture Ritchey-Chretien optical tube provides advanced astrophotography performance at an incredible price. It is ideal for use with small-format CCD cameras as well as DSLR cameras for deep-sky and solar system astrophotography.
    € 549.99
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    Orion StarBlast 62mm Compact Travel Refractor Telescope
    5.0 / 5.0
    Extremely portable at 3.1lbs. and just over a foot long with its lens shade retracted, the finely crafted StarBlast 62mm Compact Travel Refractor packs a ton of performance into its small telescope body and can be used for any type of observing.
    € 449.99
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    Orion ShortTube 80-T Refractor Telescope
    4.7 / 5.0
    This compact, grab-and-go 80mm refractor is outfitted for enjoyable daytime terrestrial viewing and casual nighttime stargazing. Just pop it on a telescope mount or photo tripod and start exploring! Includes high- and low-power Plossl eyepieces.
    € 179.99
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    Orion ShortTube 80-A Refractor Telescope
    4.7 / 5.0
    The Orion ST80-A compact refractor may just be the perfect telescope for family stargazing fun. With wide-field 80mm f/5 optics, all-aluminum optical tube, and an array of great accessories, it's one "astronomical" value! Just add your own mount.
    € 179.99
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    Orion Apex 90mm Maksutov-Cassegrain Telescope
    4.7 / 5.0
    The Orion Apex 90mm Maksutov-Cassegrain telescope is both high-power and compact - perfect for the beginner for both astronomy and terrestrial viewing. The correct-image finder scope makes locating objects easy.
    € 249.99
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    Orion ED66 CF Carbon Fiber Refractor Telescope
    5.0 / 5.0
    Featuring fully multi-coated FPL-51 ED glass optics, a dual-speed Crayford focuser and a carbon fiber optical tube, the Orion ED66 CF Refractor is an amazingly versatile telescope capable of delivering true-color views day or night.
    € 749.99
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    About Orion Telescopes & Binoculars

    Since 1975 Orion Telescopes & Binoculars has been offering telescopes for sale direct to customers. Now an employee-owned company, we pride ourselves on an unswerving commitment to best quality products, value and unmatched customer care. Our 100% satisfaction guarantee says it all.

    Orion offers telescopes for every level: Beginner, Intermediate, and Advanced. From our entry-level beginner telescopes for amateur astronomers to our Dobsonian telescopes to our most advanced Cassegrain telescopes and accessories, you can find the best telescope for you. Because we sell direct, we can offer you tremendous value at a great price. Not sure how to choose a telescope? Orion's Telescope Buyer's Guide is a great place to start.

    Orion binoculars are known for quality optics at a great price. We offer binoculars for every viewing interest, including astronomical binoculars, compact binoculars, waterproof binoculars, birding binoculars, and sport and hunting binoculars.

    Orion's telescope and astrophotography accessories will enhance your telescope enjoyment without breaking the bank. Expand your viewing experience with accessories ranging from moon filters to power-boosting Barlow lenses to advanced computerized telescope mounts. Capture breathtaking photos with our affordable astrophotography cameras. And when you're stargazing, Orion's telescope cases and covers, observing gear, red LED flashlights, astronomy books and star charts will make your observing sessions more convenient, comfortable and meaningful.

    At Orion, we are committed to sharing our knowledge and passion for astronomy and astrophotography with the amateur astronomy community. Visit the Orion Community Center for in-depth information on telescopes, binoculars, and astrophotography. You can find astrophotography "how to" tips and share your best astronomy pictures here. Submit astronomy articles, events, and reviews, and even become a featured Orion customer!