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 25 of 27 
Orion Telescopes
Beginner
*2nd* Orion Observer II 70mm Altazimuth Refractor Telescope
Was 
$99.99
Now 
$79.99
You Save 
$20.00
 
Accepted Payment
In Stock


Item #  70275
  • Best for viewing
    Lunar & planetary
  • User level
    Beginner
  • Optical design
    Refractor
  • Front-end outside tube diameter
    3.56 in.
  • Optical diameter
    70mm
  • Focal length
    700mm
  • Focal ratio
    f/10.0
  • Coatings
    Coated
  • Optics type
    Air-spaced doublet
  • Glass material
    Crown/Flint
  • Eyepieces
    Kellner 10.0mm,25.0mm (1.25")
  • Magnification with included eyepieces
    70x, 28x
  • Resolving power
    1.65arc*sec
  • Lowest useful magnification
    10x
  • Highest useful magnification
    140x
  • Highest theoretical magnification
    140x
  • Limiting stellar magnitude
    11.9
  • Finder scope
    Reflex sight
  • Focuser
    1.25" Rack-and-pinion
  • Diagonal degrees
    1.25" 90° Mirror Star
  • Mount type
    Altazimuth
  • Astro-imaging capability
    Simple moon shots
  • Dovetail bar system
    No
  • Polar-axis scope
    Not available
  • Tube material
    Aluminum
  • Tripod material
    Aluminum
  • Length of optical tube
    26.5 in.
  • Weight, optical tube
    1.8 lbs.
  • Weight, mount/tripod
    3.4 lbs.
  • Weight, fully assembled
    7.4 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
  • Lithium Battery Weight
    0.10 grams

Orders received by 1pm Eastern Standard Time for in-stock items ship the same business day. Order received after noon will ship the next business day. When an item is not in-stock we will ship it as soon as it becomes available. Typically in-stock items will ship first and backordered items will follow as soon as they are available. You have the option in check out to request that your order ship complete, if you'd prefer.

A per-item shipping charge (in addition to the standard shipping and handling charge) applies to this product due to its size and weight. This charge varies based on the shipping method.

Standard Delivery: $0.00
3 Day Delivery: $40.00
2 Day Delivery: $40.00
Next Day Delivery: $60.00

SHIPPING RESTRICTIONS APPLY FOR THIS PRODUCT

This product is available to ship Standard delivery within the 50 US states, APO/DPO/FPO addresses and US territories/protectorates. Delivery is not available to Canada.

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