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Refracting telescopes ("refractors") focus light by using a lens (or "object glass", or "objective") as shown in Figure 2.1.
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Key Phrases - Statistically Improbable Phrases (SIPs):
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planetarium package, periodic error correction, monocentric eyepiece, astronomical equipment, coma corrector, metre focal length, guiding eyepiece, planetary observing, amateur telescope makers, planetary imaging, eyepiece position, cold camera, micron pixels, equatorial mounting, barlow lens, eyepiece projection, solar filters, illuminated reticle, telescope focal length, planetary detail, achromatic refractors, planetary observers, corrector plate, occulting disk, planetary images
Key Phrases - Capitalized Phrases (CAPs):
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Starlight Xpress, Tele Vue, Adobe Photoshop, Real Sky, Comet Hale-Bopp, Hubble Guide Star Catalogue, Nick James, Terry Platt, Denis Buczynski, Amateur Telescope Making, British Astronomical Association, Software Bisque, Andrew Elliott, George Alcock, Sky Atlas, Sky Publishing
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