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How does a telescope collect and magnify light?

Check out the Cassegrain Telescope SIM at http://www.ck12.org/sims

Learn more about Mirrors at http://www.ck12.org/physics/Mirrors/

View all of CK-12’s free, high-quality STEM resources at http://www.ck12.org

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Price: $89.95 $89.40

Celestron - 70mm Travel Scope - Portable Refractor Telescope - Fully-Coated Glass Optics - Ideal Telescope for Beginners - BONUS Astronomy Software Package

 (4131)

Superior optics: The Celestron 70mm Travel Scope features high-quality, fully-coated glass optics, a potent 70mm objective lens, a lightweight frame, and a custom backpack to carry it all. Its quality is unmatched in its class and against competitors... (as of September 11, 2020 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

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Price: $59.48

TELMU Telescope, 70mm Aperture 400mm AZ Mount Astronomical Refracting Telescope Adjustable(17.7In-35.4In) Portable Travel Telescopes with Backpack, Phone Adapter

【High Quality Optics】400mm(f/5.7) focal length and 70mm aperture, fully coated optics glass lens create stunning images and protect your eyes. Perfect telescope for astronomers to explore stars and moon. 【High Magnification】Come with two replaceable ... (as of September 11, 2020 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

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Price: $259.99

Gskyer Telescope, 600x90mm AZ Astronomical Refractor Telescope, German Technology Scope

 (710)

【High Quality Optics】600mm(f/6.7) focal length and 90mm aperture, fully coated optics glass lens with high transmission coatings creates stunning images and protect your eyes 【High Magnification】Come with three replaceable eyepieces(24X, 60X,120X) an... (as of September 11, 2020 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

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Price: $169.95 $134.95

Celestron - PowerSeeker 127EQ Telescope - Manual German Equatorial Telescope for Beginners - Compact and Portable - BONUS Astronomy Software Package - 127mm Aperture

 (3038)

Perfect entry-level telescope: The Celestron PowerSeeker 127EQ is an easy-to-use and powerful telescope. The PowerSeeker series is designed to give the new telescope user the perfect combination of quality, value, features, and power Manual german eq... (as of September 11, 2020 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

Author: CK-12 Foundation

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