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Orion Sirius ED100 EQ-G GoTo Refractor Telescope by Orion
Digital Photo Product DetailsManufacturer: Orion Product features: - The Orion ED100 refractor telescope provides high-contrast views and astrophotos that only a premium apochromatic refractor can deliver
- The included Sirius EQ-G GoTo equatorial telescopemount and tripod supports the ED100 refractor with strength to spare for accomodation of additional astrophotography gear
- The ED100 refractor telescope sports a multi-coated 100mm objective lens doublet of 900mm focal length (f/9) made with extra-low dispersion FPL-53 ED glass for high-power visual and astrophotographic performance
- The ultra-stable Sirius EQ-G GoTo mount contains a computerized database of 42,900 celestial objects to explore and photograph
- Includes 8x40 finder scope for easy aiming, 25mm Sirius Plossl 1.25" eyepiece, 1.25" 90 degrees prism star diagonal, telescope tube rings, Starry Night astronomy software, and more
Accessories:
Description of Orion Sirius ED100 EQ-G GoTo Refractor TelescopeAs numerous customers have shown, the ED100's short focal length and superb apochromatic optics make it a great telescope for astrophotography. And now we've coupled it with a state-of-the-art equatorial GoTo mount that provides the stability and precision control needed to capture beautiful deep-sky images. The ED100 sports a multi-coated 80mm objective lens doublet of 600mm focal length (f/7.5). One lens element is crafted from extra-low dispersion (ED) FPL-53 optical glass from Japan. This high-grade glass greatly reduces the chromatic aberration that causes color fringing around bright objects in standard achromats. The 2" Crayford-style focuser accepts both 2" and 1.25" accessories. Astrophotography and observing are made effortless by the Sirius EQ-G GoTo mount. The included GoTo hand controller contains a database of 42,900 objects.
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