| philharrington.net | |
| 网站标题： | PhilHarrington.net |
| 网站简介： | This web site has been developed as an extension of the books and articles on and about amateur astronomy authored by Phil Harrington. Topics cover choosing and using astronomical equipment, observing selected sky targets, information on solar and lunar eclipses, and much more. |
| 关键字： | astronomy telescopes observing deep-sky solar eclipse planets binoculars eclipses solar eclipse lunar eclipse eyepieces |
| AgenaAstro.com | |
| 网站标题： | Agena Astro | Telescopes, Cameras, Mounts, Accessories & More |
| 网站简介： | Get the best telescope and astrophotography gear with North America&*039;s highest-rated telescope store. Free US shipping on orders over $25! |
| 关键字： | telescopes eyepieces adapters accessories |
| williamoptics.com | |
| 网站标题： | William Optics - High-Quality Refractor Telescopes, Telephoto Lens, Binoculars, Eyepieces, Diagonals |
| 网站简介： | William Optics manufactures Refractor telescopes, binoculars, digital camera adapter lenses for telescopes, eyepieces, diagonals and other accessories. |
| 关键字： | telescopes binoculars digital camera adapter lenses for telescopes eyepieces diagonals accessories. |
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