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The knowledgebase is organized into different categories; please select a category that you are interested in. You can also search the entire knowledgebase by entering keywords in the navigation bar beside this text.

 Telescope Basics (8)
 Telescopes - Beginner's Guide (21)
 Telescope Types (6)
 Telescope Optical Terms (18)
 Telescope Mechanical Topics (19)
 Telescope Polar Alignment (14)
 Telescope FAQs (62)
 Optics Care (15)
 Optics Collimation (37)
 Astrophotography - Imaging (43)
 NexStar and NexStar+ Hand Controls (46)
 SkyScout FAQs (55)
 FirstScope Dobsonian Reflector (4)
 PowerSeeker FAQs (40)
 AstroMaster FAQs (40)
 Omni XLT FAQs (33)
 SkyProdigy FAQs (13)
 NexStar SLT FAQs (64)
 LCM FAQs (28)
 Nexstar SE FAQs (62)
 CPC Series FAQs (53)
 Advanced Series GT FAQs (66)
 CGEM and CGEM DX Series FAQs (47)
 CGE Pro FAQs (37)
 EdgeHD FAQs (18)
 CGE German Equatorial Mount (55)
 Ambassador Brass Refracting Telescope (1)
 NexStar GPS FAQs (40)
 NexStar GT and GTL FAQs (51)
 StarHopper FAQs (2)
 Onyx 80EDF (1)
 Sky-Watcher Dobsonians FAQs (3)
 Sky-Watcher Backpacker Telescopes (1)
 AllView Mount (8)
 Classic-Older Products (22)
 Accessory FAQs (54)
 Binoculars-Monoculars (29)
 Spotting Scopes (35)
 Travel Scope (2)
 Microscopes (32)
 Advanced Stereo Microscope (3)
 LCD Digital Microscopes (19)
 LCD Handheld Digital Microscope (6)
 Handheld Digital & Optical Microscope (12)
 Handheld Digital Microscopes (23)
 Amoeba Microscope FAQs (2)
 Digital & Optical Microscope (12)
 Digital LCD & Camera Microscope Accessory (7)
 Digital Microscope Imager (12)
 Digital Microscope Kit (11)
 NexRemote FAQs (44)
 SkyQ and SkyQ Link (16)
 Nightscape CCD Cameras (15)
 NexImage-NexImage 5 FAQs (26)
 TheSky - TheSkyX FAQs (10)
 NexGuide FAQs (6)
 PowerTank FAQs (3)
 VistaPix - IS70 FAQs (14)
 Weather Stations (10)
 CoursePro FAQs (14)
 reTrace Handheld GPS (4)
 TrekGuide Digital Compass (8)
 Mac, Linux OS FAQs (17)
 Rebates (1)
 Policies (1)
 Telescopes and Astronomy on the Web (1)
 Advanced VX Mount (0)

 Articles
 I’m looking at my Celestron product and it has a serial number on it. Can you tell me the model, type and year it was made?
 No, we cannot.Though many of the products we’ve made have serial numbers on th
 I’m a stamp and coin collector. Which microscope is best for getting pictures of a whole stamp or coin?
 You want a microscope that has a very low power.Since most coins and stamps are approximately an inch i
 My Celestron mount is making a high pitched whine or hum even when it’s not moving. Is this a problem?
 No, it’s not a problem. This noise is perfectly normal and does not adversely affect the performance of your mount.The audible noise originates from Celestron’s new i
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 Main Categories
 Telescope Basics (8)
 Telescopes - Beginner's Guide (21)
 Telescope Types (6)
 Telescope Optical Terms (18)
 Telescope Mechanical Topics (19)
 Telescope Polar Alignment (14)
 Telescope FAQs (62)
 Optics Care (15)
 Optics Collimation (37)
 Astrophotography - Imaging (43)
 NexStar and NexStar+ Hand Controls (46)
 SkyScout FAQs (55)
 FirstScope Dobsonian Reflector (4)
 PowerSeeker FAQs (40)
 AstroMaster FAQs (40)
 Omni XLT FAQs (33)
 SkyProdigy FAQs (13)
 NexStar SLT FAQs (64)
 LCM FAQs (28)
 Nexstar SE FAQs (62)
 CPC Series FAQs (53)
 Advanced Series GT FAQs (66)
 CGEM and CGEM DX Series FAQs (47)
 CGE Pro FAQs (37)
 EdgeHD FAQs (18)
 CGE German Equatorial Mount (55)
 Ambassador Brass Refracting Telescope (1)
 NexStar GPS FAQs (40)
 NexStar GT and GTL FAQs (51)
 StarHopper FAQs (2)
 Onyx 80EDF (1)
 Sky-Watcher Dobsonians FAQs (3)
 Sky-Watcher Backpacker Telescopes (1)
 AllView Mount (8)
 Classic-Older Products (22)
 Accessory FAQs (54)
 Binoculars-Monoculars (29)
 Spotting Scopes (35)
 Travel Scope (2)
 Microscopes (32)
 Advanced Stereo Microscope (3)
 LCD Digital Microscopes (19)
 LCD Handheld Digital Microscope (6)
 Handheld Digital & Optical Microscope (12)
 Handheld Digital Microscopes (23)
 Amoeba Microscope FAQs (2)
 Digital & Optical Microscope (12)
 Digital LCD & Camera Microscope Accessory (7)
 Digital Microscope Imager (12)
 Digital Microscope Kit (11)
 NexRemote FAQs (44)
 SkyQ and SkyQ Link (16)
 Nightscape CCD Cameras (15)
 NexImage-NexImage 5 FAQs (26)
 TheSky - TheSkyX FAQs (10)
 NexGuide FAQs (6)
 PowerTank FAQs (3)
 VistaPix - IS70 FAQs (14)
 Weather Stations (10)
 CoursePro FAQs (14)
 reTrace Handheld GPS (4)
 TrekGuide Digital Compass (8)
 Mac, Linux OS FAQs (17)
 Rebates (1)
 Policies (1)
 Telescopes and Astronomy on the Web (1)
 Advanced VX Mount (0)
An award-winning legacy brand for over 50 years, Celestron has grown to become the world's leading telescope maker, and enjoys brand-name recognition among serious amateur astronomers for superior optics, outstanding design, and innovative technology. Celestron also develops a wide range of exciting products and technologies that enhance the science, outdoor and educational markets. At Celestron, we strive to inspire a sense of wonder, knowledge and fun in our customers and throughout our company.

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