Optical Telescope Definition
Cat’s Eye Nebula in 60 Seconds Plus (HIGH DEFINITION)
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Spacelab UV-Optical Telescope Facility: Report of the Facility Definition Team … |
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10X50 binoculars high-definition blue lens telescope $99.99 Packing box sizes 19 centimetres wide 20 centimeters tall The telescope width of about 17 cm high about 18 centimeters [full set includes] Unit Type:lot (2 pieces/lot) |
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8×42 Military Power Zoom Binoculars $49.95 Magnification: 8X Objective Diameter: 42 mm Lens Coating: Green Length: 5.25″ Weight: 25.6 oz Package Includes: |
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8×42 Military Binoculars $49.95 Magnification: 8X Objective Diameter: 42 mm Lens Coating: Green Length: 5.25″ Weight: 25.6 oz Package Includes: |
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Opteka 650-2600mm High Definition Telephoto Zoom Lens for Canon EOS 1D, 5D, 7D, 10D, 20D, 30D, 40D, 50D, 60D, Rebel XT, XTi, XS, XSi, T1i, T2i, T3 and T3i Digital SLR Cameras $265.00 The Opteka 650-1300mm high definition super telephoto zoom lens is perfect for the professional and amateur photographer alike. There is a built-in, rotating tripod mount for easily attaching to your tripod or monopod. It’s an extremely powerful telephoto zoom lens with the versatility that you need. This lens is great for the wildlife or nature photographer who wants to be hidden while taking pho… |
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Opteka Professional 1X-2.5X Right Angle Viewfinder for Canon EOS, Nikon, Olympus, Sony, & Pentax Digital SLR Cameras $42.95 Ever find it hard to get your SLR in just the right angle to take that perfect shot you’ve always wanted? Opteka’s Professional Right Angle Viewfinder let’s you line up an off the deck shot without needing to crawl on your belly. The Opteka finder features include a built in diopter with 1X and 2.5X capability, full 360 degree rotation, and universal mounting attachments for most Digital SLR camer… |
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Opteka 650-1300mm High Definition Telephoto Zoom Lens for Canon EOS 1D, 5D, 7D, 10D, 20D, 30D, 40D, 50D, 60D, Rebel XT, XTi, XS, XSi, T1i, T2i, T3 and T3i Digital SLR Cameras $215.00 The Opteka 650-1300mm high definition super telephoto zoom lens is perfect for the professional and amateur photographer alike. There is a built-in, rotating tripod mount for easily attaching to your tripod or monopod. It’s an extremely powerful telephoto zoom lens with the versatility that you need. This lens is great for the wildlife or nature photographer who wants to be hidden while taking pho… |
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Illustration of NASA’s Space Optical Telescope in Orbit $99.99 Illustration of NASA’s Space Optical Telescope in Orbit – Premium Photographic Print |
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Orion 180mm Maksutov-Cassegrain Telescope Optical Tube $1219.99 Looking for something to satisfy your appetite for power? Try a big Mak! For the most demanding enthusiast, our new 180mm Mak sets a new standard for planetary performance in a remarkably compact design. With 7.1″ of aperture and that long focal length Mak aficionados love, you’ll get tack-sharp, high-contrast views and clearly defined photos with subtle detail. With 44% more light grasp than the 150mm Mak, you’ll get brighter images and better resolution with less eyepiece magnification than other designs. Its big aperture and 2,700mm focal length (f/15) are the perfect combination of brightness, contrast, and definition for planets, double-stars, and deep-sky targets. Available as tube assembly only or with SkyView Pro or Sirius EQ-G mount. Limited one-year warranty. |
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Illustration- Space Telescope Major Configuration Elements, NASA’s Multi-Purpose Optical Telescope $99.99 Illustration- Space Telescope Major Configuration Elements, NASA’s Multi-Purpose Optical Telescope – Premium Photographic Print |
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Telescope $5.99 Telescope |
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8mm Orion Epic II ED Telescope Eyepiece $99.99 The Orion 8mm Epic II ED telescope eyepiece features 6 individually polished lenses including 2 elements of high-quality extra-low dispersion ED optical glass for beautiful true-color views! Thanks to the use of ED glass elements, the 8mm Epic II ED telescope eyepiece produces views of exquisite quality which are delightfully free of chromatic aberration, or color distortion, which plagues many other eyepiece designs. You can improve the quality of view in any telescope with an 8mm Orion Epic II ED eyepiece! The Orion 8mm Epic II ED is a great eyepiece choice for viewing objects within our solar system, as well as many deep-sky objects thanks to its wide 58° apparent field of view. With such a short focal length, the 8mm Epic II ED telescope eyepiece is ideal for high-power views of the Moon, planets, and many bright nebulas, star clusters, and galaxies. Its design of 6 individually polished lens elements arranged in 3 groups provides excellent correction and definition, yielding sharp stars across the entire field. The 8mm telescope eyepiece’s 13mm eye relief makes it comfortable to use – no need to squint! |
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25mm Orion Epic II ED Telescope Eyepiece $99.99 The Orion 25mm Epic II ED telescope eyepiece features 6 individually polished lenses including 2 elements of high-quality extra-low dispersion ED optical glass for stunning true-color views! Thanks to the use of ED glass elements, the 25mm Epic II ED telescope eyepiece produces views of exquisite quality which are delightfully free of chromatic aberration, or color distortion, which plagues many other eyepiece designs. You can improve the quality of view in any telescope with a 25mm Orion Epic II ED eyepiece! The Orion 25mm Epic II ED is a great eyepiece choice for viewing objects within our solar system, as well as many deep-sky objects thanks to its wide 60° apparent field of view. Its design of 6 individually polished lens elements arranged in 3 groups provides excellent correction and definition, yielding sharp stars across the entire field. The 25mm telescope eyepiece’s 13mm eye relief makes it comfortable to use. |
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18mm Orion Epic II ED Telescope Eyepiece $99.99 Improve the quality of view in any telescope with an 18mm Orion Epic II ED eyepiece! This 1.25″ petite performer features 6 individually polished lenses including 2 elements of high-quality extra-low dispersion ED optical glass for stunning, true-color views. Thanks to the use of ED glass elements, the 18mm Epic II ED telescope eyepiece produces views of exquisite quality which are delightfully free of chromatic aberration, or color distortion, which plagues many other eyepiece designs. With a wide 60° apparent field of view, the Orion 18mm Epic II ED is a great eyepiece choice for viewing objects within our solar system, as well as many deep-sky objects. With a moderate 18mm focal length, this Epic II ED telescope eyepiece is great for medium-magnification views of the Moon, planets, and many bright nebulas and star clusters. Its design of 6 lens elements arranged in 3 groups provides excellent correction and definition, yielding sharp stars across the entire field. The 18mm telescope eyepiece’s 13mm eye relief makes it comfortable to use – no need to squint! |
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12mm Orion Epic II ED Telescope Eyepiece $99.99 Improve the quality of view in any telescope with a 12mm Orion Epic II ED eyepiece! This 1.25″ petite performer features 6 individually polished lenses including 2 elements of high-quality extra-low dispersion ED optical glass for stunning, true-color views. Thanks to the use of ED glass elements, the 12mm Epic II ED telescope eyepiece produces views of exquisite quality which are delightfully free of chromatic aberration, or color distortion, which plagues many other eyepiece designs. With a wide 60° apparent field of view, the Orion 12mm Epic II ED is a great eyepiece choice for viewing objects within our solar system, as well as many deep-sky objects. The 12mm Epic II ED telescope eyepiece is ideal for moderately magnified views of the Moon, planets, and many bright nebulas, star clusters, and galaxies. It’s designed with 6 lens elements arranged in 3 groups to provide excellent correction and definition, yielding sharp stars across the entire field. The 12mm telescope eyepiece’s 13mm eye relief makes it comfortable to use – no need to squint! |
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15mm Orion Epic II ED Telescope Eyepiece $99.99 The Orion 15mm Epic II ED telescope eyepiece features 6 individually polished lenses including 2 elements of high-quality extra-low dispersion ED optical glass for stunning true-color views! Thanks to the use of ED glass elements, the 15mm Epic II ED telescope eyepiece produces views of exquisite quality which are delightfully free of chromatic aberration, or color distortion, which plagues many other eyepiece designs. You can improve the quality of view in any telescope with a 15mm Orion Epic II ED eyepiece! The Orion 15mm Epic II ED is a great eyepiece choice for viewing objects within our solar system, as well as many deep-sky objects thanks to its wide 60° apparent field of view. With a medium focal length of 15mm, this Epic II ED telescope eyepiece is ideal for viewing the Moon and many other celestial delicacies such as star clusters, nebulas, and the planets. Its design of 6 individually polished lens elements arranged in 3 groups provides excellent correction and definition, yielding sharp stars across the entire field. The eyepiece’s 15mm eye relief makes it comfortable to use. |
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5mm Orion Epic II ED Telescope Eyepiece $99.99 Improve the quality of view in any telescope with a 5mm Orion Epic II ED eyepiece! This 1.25″ petite performer features 6 individually polished lenses including 2 elements of high-quality “extra-low dispersion” ED optical glass for stunning, true-color views. Thanks to the use of ED glass elements, the 5mm Epic II ED telescope eyepiece produces views of exquisite quality which are delightfully free of chromatic aberration, or color distortion, which plagues many other eyepiece designs. With a wide 58° apparent field of view, the Orion 5mm Epic II ED is a great eyepiece choice for viewing objects within our solar system, as well as many deep-sky objects. With such a short focal length, the 5mm Epic II ED telescope eyepiece is ideal for high-magnification views of the Moon, planets, and many bright nebulas and star clusters. Its design of 6 lens elements arranged in 3 groups provides excellent correction and definition, yielding sharp stars across the entire field. The 5mm telescope eyepiece’s 13mm eye relief makes it comfortable to use – no need to squint! |
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Lifesize 1000-0000-0410 10x Optical Zoom High Definition Video Conferencing Camera $2966.15 Lifesize 1000-0000-0410 10x Optical Zoom High Definition Video Conferencing Camera |
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TELESCOPE: TELESCOPE $9.03 TELESCOPE: TELESCOPE |
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Definition $9.55 Definition |
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The Definition $13.93 The Definition |
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Celestron Powerseeker 70EQ Telescope $119.95 The Celestron Powerseeker 70EQ Telescope is an exceptional choice for the beginning astronomer, with its 700mm focal length and focal ratio of 10. With the slow-motion controls, objects are easily tracked and the 3x Barlow lens provides magnification in triplicate. The Celestron Telescope Powerseeker 70EQ is an affordable, quality scope perfect for reaching above Earth’s sky. Uncover the mysteries of the universe with this sleek telescope for the aspiring astronomer.Features: Refractor optical design with 70mm aperture700mm focal lengthFocal ratio: 10Quick and easy set up – no tools requiredSlow motion controls for smooth tracking objects in the night skyUpgraded equatorial mount for convenient tracking of celestial objectsFully coated glass optical components have high transmission coatings for enhanced image brightness and clarityIncludes:Two eyepieces – 20mm and 4mm, for 35x and 175x magnification3x Barlow lens triples the magnifying power of each eyepieceConvenient tray for storing accessoriesThe Sky – Level 1 planetarium software, with 10,000 object database for locating objects on your PCFor amateur astronomers, the Celestron Powerseeker 70EQ Telescope offers the perfect combination of quality, value, features and power. This item cannot be shipped internationally due to size and weight. Buy the Celestron Powerseeker 70EQ Telescope, and enjoy the stars and planets all around you. Uncover the mysteries of the universe with this sleek telescope for the aspiring astronomer. |
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Orion 120mm f/5.0 Refractor Telescope Optical Tube Assembly $319.99 This compact, large-aperture refractor is perfect for deep-sky pursuits. Its 120mm (4.7″), multi-coated achromatic lens assembly and modest 600mm focal length combine to provide breathtaking wide-field views. With an optional 25mm Plossl eyepiece, this telescope serves up a sprawling 2.1-deg swath of sky! The fast f/5.0 optical system also makes it an excellent telescope for astrophotography. The 26″-long optical tube is well baffled to ensure good contrast. The cast-metal 2″ rack-and-pinion focuser accommodates either a 1.25″ or 2″ diagonal, so you can use 1.25″ or 2″ eyepieces. Tube color is gunmetal gray metallic. A mounting base molded into the focuser casting to accept an optional Orion finder scope or EZ Finder II. Sold as tube assembly only without accessories. Includes objective lens cap. One-year limited warranty. |
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Celestron Celestron 21024 FirstScope Telescope $37.95 FirstScope Telescope Official Product of the 2009 International Year of Astronomy. Ideal astronomical entry level telescope. The compact design makes it easy to take with you on your next outdoor adventure. The FirstScope is also stylish enough to be used as a decorative fixture on your bookshelves or desk. Features FirstScope Telescope 76mm aperture reflector optical tube Moveable tube for ease of navigation for viewing Lightweight, portable Two eyepieces included Optical Design… |