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Sport Optics Hit the trail with our rugged binoculars, spotting scopes, monoculars, and accessories. Microscopes Reveal a world of intricate detail with innovative biological and digital microscopes. Discover your place in the universe with superior optics and more from the world’s #1 telescope maker. Telescopes Optical Tubes Mounts and Tripods Astronomy Binoculars Astroimaging Cameras Astroimaging Accessories Visual Accessories Accessories View All Astronomy Products For over 50 years, Celestron telescopes have led the industry. Whether you're brand new to astronomy or a seasoned hobbyist, find the one that's right for you. Find Your Telescope View Series View all Products Create your own custom telescope with a Celestron optical tube, including our renowned Schmidt-Cassegrain and EdgeHD optical designs. Optical Tubes View all Products Give your telescope a solid foundation. Shop Celestron tripods and mounts including our award-winning computerized altazimuth and German equatorial models. View all Products Experience the night sky with a pair of astronomical binoculars for unparalleled views of wide-field objects like the Milky Way and Pleiades open star cluster. It's the easiest way to get started with astronomy. View Series View all Products Capture the universe with Celestron's astroimaging cameras for lunar, solar, planetary, and deep sky imaging. View Series View all Products Everything you need to complete your astroimaging setup: T-rings and adapters, autoguiders, focal reducers, and much more. View all Products Get a whole new perspective with Celestron eyepieces, Barlow lenses, filters, and more. View all Products Everything you need to complete your telescope setup: power supplies, cables, lens shades, cases, and more. View all Products Hit the trail with our rugged binoculars, spotting scopes, monoculars, and accessories. Binoculars Monoculars Spotting Scopes Outdoor Electronics Accessories View All Sport Optics From compact binoculars that fit in your pocket to large-aperture models designed for long-range glassing, shop all of Celestron's binoculars. View Series View all Products Monoculars are a great option for a compact, packable optic that's always with you--on the trail or out at sea. View all Products Zero in on distant subjects like birds and wildlife with a Celestron spotting scope. View Series View all Products Be ready for anything with Celestron's outdoor accessories including digital compasses, thermometers, anemometers, hand warmers, and more. View Series View all Products Secure your sport optic in the field with a tripod or harness strap. View all Products Reveal a world of intricate detail with innovative biological and digital microscopes. Digital Microscopes Biological Microscopes Stereo Microscopes Weather Stations Microscope Accessories View All Microscopes Our digital microscopes make it easy to view specimens on a computer or LCD screen. You can even capture photos and videos of your discoveries to share with others! View Series View all Products Celestron's biological microscopes are the perfect tools for classrooms and research labs, providing detailed views of the smallest specimens. View Series View all Products For extended viewing sessions, enjoy the comfort and ease of use of a Celestron stereo microscope. Perfect for both low- and high-power observations. View all Products Monitor weather conditions in real time with detailed information on temperature, humidity, and atmospheric pressure. View Series View all Products Get more out of your microscope with our digital imagers, slide kits, 3D specimens, and more. View all Products CELESTRON PRODUCT SEARCH Enter a keyword to search the online catalog Only Search Current Products find your telescope - question 1 / 4 1When will you be using your telescope? At night (astronomical observing) During the day (terrestrial observation) Both NEXT find your telescope - question 2 / 4 Some telescopes have computerized "GoTo" mounts that automatically locate celestial objects for you. These telescopes enable you to find more objects without prior knowledge of the night sky. However, they can be more expensive and take longer to set up. 2Do you want a GoTo telescope? Yes, I want my telescope to locate objects for me! No, I want to explore the night sky on my own. BACK NEXT find your telescope - question 3 / 4 The best telescope is the one you will use most often. You don't want a big, bulky telescope if you aren't willing to set it up and stargaze. Tell us how much telescope you're willing to carry, keeping in mind that all telescopes break down into multiple parts for easy transport. 3How much telescope do you want to carry? Under 20 lbs Under 40 lbs Any weight BACK NEXT find your telescope - question 4 / 4 4What is your budget? Under $200 $200-500 $500-1000 $1000 and up Show me all my options BACK Celestron Elements Free Celestron SkyPortal App Imagine and Create OPT Imaging Promotion 2015 New Products SCT Promo FIND A CERTIFIED DEALER Please Enter Valid Address LOCATION & SORT Location RADIUS 50 Miles 100 Miles 500 Miles Entire Country SHOW ONLY Premier Select Premier Plus Authorized Dealers VIEW ONLINE DEALERS Support CHOOSE ONE Overview Technical Support Product Registration Manuals & Software Knowledgebase Setup Videos Spare Parts Warranties Submit Inquiry Customer Service FAQ Overview Technical Support Product Registration Manuals & Software Knowledgebase Setup Videos Spare Parts Warranties Submit Inquiry Customer Service FAQ I’m experiencing motion in RA east after slews with my Celestron German GoTo mount. Is this backlash, and how do I correct it?