Orion Store
Orion Store
Shopping Cart
0 item(s)
HACKER SAFE certified sites prevent over 99.9% of hacker crime.
Telescopes
Mounts & Tripods
Accessories
Astrophotography
Binoculars
Sale
Gift Center
Shop by Brand
Community

{"dragByHandle":true,"dragByBody":false,"cssSelector":"ql-thumbnail","widgetClass":"OverlayWidget","bindings":{"bind0":{"element":".ql-thumbnail .Quicklook .trigger","type":"quicklookselected","fn":"function(){$.fnProxy(arguments,\'#headerOverlay\',OverlayWidget.show,\'OverlayWidget.show\');}"}},"effectOnHide":"fade","effectOnShowOptions":"{}","effectOnHideOptions":"{}","closeOnBackgroundClick":true,"effectOnShowSpeed":"1200","onScreenPadding":10,"allowOffScreenOverlay":false,"captureClicks":true,"effectOnShow":"fade","effectOnHideSpeed":"1200"}

 6 of 24 
Orion Telescopes

{ width: 340, height: 340, defaultImage: '', layers: '09881' }


Beginner
*2nd* Orion Observer 70mm Altazimuth Refractor Telescope
Was 
$119.99
Now 
$95.99
You Save 
$24.00
 
Accepted Payment
In Stock


Item #  79881
  • Best for viewing
    Lunar & planetary
  • Best for imaging
    Lunar & planetary
  • User level
    Beginner
  • Optical design
    Refractors
  • Optical diameter
    70mm
  • Focal length
    700mm
  • Focal ratio
    f/10.0
  • Coatings
    Fully coated
  • Optics type
    Air-spaced doublet
  • Glass material
    Crown/Flint
  • Eyepieces
    Explorer II 25.0mm,10.0mm (1.25")
  • Magnification with included eyepieces
    28x, 70x
  • Resolving power
    1.65arc*sec
  • Lowest useful magnification
    10x
  • Highest useful magnification
    140x
  • Highest theoretical magnification
    140x
  • Limiting stellar magnitude
    11.9
  • Optical quality
    Diffraction Limited
  • Finder scope
    EZ Finder II
  • Focuser
    1.25" Rack-and-pinion
  • Diagonal degrees
    1.25" 90° Mirror Star
  • Mirror coatings/over-coatings
    Magnesium Flouride
  • Mount type
    Altazimuth
  • Astro-imaging capability
    Simple moon shots
  • Computerized compatibility
    Not compatible
  • Tube material
    Aluminum
  • Tripod material
    Aluminum
  • Height range of mount
    29.50 in. - 50.00 in.
  • Length of optical tube
    27.7 in.
  • Weight, fully assembled
    6.5 lbs.
  • Additional included accessories
    Other included items are not always the same between a new and a second. Seconds may be older versions of the new product, or may be customer returns where accessory substitutions have been made.
  • Other features
    2nds are covered by Orion's Satisfaction Guarantee
  • Warranty
    One year

{"dragByHandle":true,"dragByBody":false,"cssSelector":"ql-category","widgetClass":"OverlayWidget","bindings":{"bind0":{"element":".Quicklook > .trigger","type":"quicklookselected","fn":"function(){$.fnProxy(arguments,\'#_widget1453509053060\',OverlayWidget.show,\'OverlayWidget.show\');}"},"bind1":{"element":".PagedDataSetFilmstripLoader > .trigger","type":"itemsloaded","fn":"function(event, startIndex, itemCount, newItems) { QuickLookWidget.assignEvents(newItems); $(\".Quicklook > .trigger\", newItems).bind(\"quicklookselected\", function(event, source, x, y) { OverlayWidget.show(\'#_widget1453509053060\', event, source, x, y); }); }"}},"effectOnHide":"fade","effectOnShowOptions":"{}","effectOnHideOptions":"{}","closeOnBackgroundClick":true,"effectOnShowSpeed":"","onScreenPadding":10,"allowOffScreenOverlay":false,"captureClicks":true,"effectOnShow":"fade","effectOnHideSpeed":"1200"}