Orion Observer II 70mm f/10 Doublet Refracting Telescope

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OR-10275
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Orion Observer II 70mm f/10 Doublet Refracting Telescope

The Observer II 70 mm Alt-azimuth Refractor Telescope is a great choice for beginning stargazers thanks to its versatility and simple, easy-to-use design. It is a very lightweight and compact telescope, so it's easy to carry to any observing location, whether you're just going to the backyard or driving to darker skies.

For beginning stargazers who want a starter telescope capable of providing more oomph, more performance than a traditional 60 mm refractor, we present the Orion Observer II 70 mm Alt-azimuth Refractor Telescope. Compared to a 60 mm refractor, the larger 70 mm Observer II can reveal an even greater variety of stellar gems and provide brighter views of popular favorites like the Moon, Jupiter, Saturn, and the Orion Nebula with greater resolution. The Orion Observer II 70 Alt-azimuth Refractor Telescope features an achromatic glass objective lens that's 70 mm in diameter, with a focal length of 700 mm (f/10). This glass lens takes in 36% more light than a 60 mm lens for brighter, clearer views. Bottom line: you'll see more than you would through a telescope with a smaller aperture.

The Observer II 70 mm Refractor Telescope comes with everything you need to start observing the night sky right away. Two included telescope eyepieces, a 25 mm, and 10 mm Kellner, provide two different magnification options right out of the box! Each eyepiece features anti-reflection coating to help optimize your observations of the night sky. We recommend starting with the 25 mm ocular to obtain wide, 28x views. Then for closer looks, you can boost the power all the way up to 70x by using the 10 mm telescope eyepiece. An included accessory tray for the tripod provides a convenient spot to keep your eyepieces ready for action. The included red-dot sight makes aiming the telescope nice and easy. Following a simple alignment procedure that parents can help with, you can use the reflex sight to accurately aim the Observer II 70 mm telescope at objects in the sky like the Moon and bright planets.

  • A 90° star diagonal is included for comfortable nighttime viewing.
    A diagonal bends the light path of a telescope so you can view the sky comfortably. Without a diagonal, you'd have to look straight-through the telescope, which can be tricky and downright uncomfortable when looking at certain areas of the sky. Bending the light collected by the Observer II 70 mm telescope at a 90° angle lets you look down into the eyepiece so you can relax and enjoy the view.
  • Use the Orion MoonMap 260 to learn more about the lunar features you see in the telescope.
    With locations and names of over 260 features on the Moon such as craters, mountains, valleys, "seas" and more, the included Orion MoonMap 260 is a great tool for beginning astronomers. This detailed map will even show you where various spacecraft have landed on the Moon's surface! The MoonMap 260 can be used to plan what to look at on the Moon, and to learn the official names of all the interesting lunar landscape features you see in the Observer II 70 mm Refractor Telescope.

Thanks to its easy-to-use alt-azimuth mount and quality optics, the Orion Observer 70 mm refractor telescope works well for both daytime terrestrial viewing and nighttime astronomical use. The included alt-azimuth mount offers intuitive up/down (altitude) and left/right (azimuth) motion to make maneuvering the telescope easy. Whether you're scanning a scenic landscape or surveying the Milky Way for star clusters, this telescope will provide a pleasant experience. The telescope tube and alt-azimuth mount are supported on an aluminum tripod that can be adjusted to a comfortable height for virtually any observer.

The Observer II 70 Alt-azimuth Refractor is easy for anyone in the family to operate, and its affordable price makes it a great telescope to start with as you discover the rewarding hobby of amateur astronomy. Order yours today!

  • A great choice for beginners, this 70 mm refractor telescope will introduce you to the wonders of the night sky
  • 70 mm (2.75-inch) aperture and 700 mm focal length telescope provides great views of bright night-sky objects such as star clusters and cloudy nebulas
  • Ideal for observing the Moon, bright planets like Jupiter, Saturn and Mars, and bright star clusters
  • The included alt-azimuth telescope mount provides smooth up/down and left/right panning motion, and the adjustable-height tripod helps make your viewing sessions comfortable
  • The complete telescope comes with 25 mm and 10 mm 1.25-inch Kellner eyepieces, red-dot sight, 1.25-inch rack and pinion focuser, 90-degree star diagonal, and the Orion MoonMap 260
  • Telescope Optical Tube
  • Alt-azimuth mount and aluminum tripod
  • Accessory Tray
  • Red dot finder scope
  • 25 mm Kellner eyepiece
  • 10 mm Kellner eyepiece
  • 90-degree star diagonal
  • MoonMap 260

SPECIFICATIONS

Aperture70 mm (2.76")
Camera/Eyepiece Connection1.25"
Dawes Limit1.66 arcseconds
Focal Length700 mm
Focal Ratiof/10
Glass TypeCrown/Flint
Hightest Magnification140x
Light Gathering Power100x
Limiting Magnitude13
ManufacturerOrion
Optical DesignDoublet
Tube Weight1.8 lbs

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