Catadioptric telescopes use a combination of mirrors and lenses to form an image. Something went wrong. There are three main types of optical telescope; catadioptric, reflector and refractor. There are two types: reflecting and refracting, both made by brands like Celestron, Orion, Meade, and others. It is, hence, important for you to establish a balance as you find what is appropriate for you. ... Telescopes are often sold with and without mounts; if youd like a mount with your telescope, choose between equatorial, dovetail, cradle, skyview and double fork. Reflectors and refractors are the two basic telescope types. A larger aperture can capture clearer images. A large aperture will, therefore, mean a large apparatus and vice versa. Telescopes are often sold with and without mounts; if youd like a mount with your telescope, choose between equatorial, dovetail, cradle, skyview and double fork. There are several lens coating options including coated, fully coated, multi coated and fully multi coated with objective lens diameters ranging from less than 60mm to over 180mm. Click & Collect. While reflectors use concave mirrors for light focus, refractors use convex lenses to focus light, and give the illusion of closeness. While you’re snug in your Christmas pajamas, drown out the twinkling Christmas lights and soak in the beauty of the winter skies. Skip to main content. Something went wrong. Reflecting telescopes form an image using a mirror rather than a lens. Free shipping on many items | Browse your favorite brands | affordable prices. 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Youll find telescopes with waterproof and water resistant coatings, dew shields, dual speed and quick release mechanisms. Whether youd like to view the night sky from your home or are looking for a more advanced telescope, youll find thousands of options to choose from. Celestron NexStar 90 SLT Mak Computerised GOTO Telescope … There seems to be a problem completing the request at present. Skip to main content. What are the types of telescopes based on function?  There are two types: reflecting and refracting, both made by brands like Celestron, Orion, Meade, and others. You can adjust the power by changing the focal length of the eyepiece. View cart for details. eBay has a wide selection of telescopes from brands such as Celestron, Meade, Orion, Tasco, and many more. Cheap Telescopes for sale - Free shipping on many items - Browse reflector telescopes & telescopes for kids on eBay. 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However, the size of the apparatus is directly proportional to that of the aperture. Telescopes are simple to setup and use and can be enjoyed by people of all ages with a keen interest in astronomy. This type of telescope is highly versatile and can be used for lunar, planetary and deep space observing. +$67.62 shipping. Demo . Refractor telescope designs place the eyepiece at bottom of the telescope and rely on lenses rather than mirrors to form an image. or Best Offer. The reflector model uses concave mirrors for light focus. 4.5 out of 5 stars. $355.00. If you love celestial bodies, a telescope is a must-have in your home to gaze at the beautiful stars on a Christmas night. While reflectors use concave mirrors for light focus, refractors use convex lenses to focus light, and give the illusion of closeness. Pre-Owned. Copyright © 1995-2020 eBay Inc. All Rights Reserved. Shop by category ... What are the types of telescopes based on function? 27 product ratings - Celestron NexStar 8SE 203mm Computerized Telescope And Eyepiece Accessory Kit, BARSKA 40070 Starwatcher Refractor Telescope w/ Case, Tripod & Software, AE10100, 36 product ratings - BARSKA 40070 Starwatcher Refractor Telescope w/ Case, Tripod & Software, AE10100, 120X TELESCOPE FULL 57" TRIPOD LUNAR AND FOR STAR OBSERVATION + SMARTPHONE MOUNT, 38 product ratings - Meade ETX-60AT Refractor Astro Digital Telescope AutoStar Incomplete, 2 product ratings - Celestron SkyProdigy 6 Computerized Telescope w/ Mount & Remote 11076, 110 product ratings - Celestron PowerSeeker 127EQ Telescope 20mm eyepiece, 14 product ratings - Gskyer Telescope AZ70400 Travel Refractor Astronomy Telescope, Slide {current_page} of {total_pages} - You May Also Like. This is the power of the viewing apparatus. Images are much crisper at lower powers, making lower powers appropriate for larger fields of view. Reflectors and refractors are the two basic telescope types. A telescope will also make a thoughtful Christmas gift for a loved one. The first telescope dates back to the seventeenth century, and almost everything we know about space has been observed through the humble telescope ever since. The power usually represents the relationship between the eyepiece and the apparatus itself as it is the product of dividing the focal length of the telescope and that of the eyepiece. Watch. New and used telescopes are available from popular brands, including BRESSER, Celestron, Sky Watcher, National Geographic and BAADER. There are three main types of optical telescope; catadioptric, reflector and refractor. Their design places the eyepiece at the side of the device and can be used to view large diameter objects. There seems to be a problem serving the request at this time, Showing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Shop by Type, Showing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Shop by Aperture, Showing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Best Selling, Showing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Top Rated. £429.00. The reflector model uses concave mirrors for light focus. 12 watching. - Celestron NexStar 4SE Computerized Telescope. 21 product ratings. View basket for details. Great Savings & Free Delivery / Collection on many items. Showing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Shop by Type, Showing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Shop by Brand, Showing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Best selling, Showing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Highest-rated products, Showing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - You may also like. New Listing Celestron NexStar 4SE Computerized Telescope. 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