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Orion Telescopes

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Beginner
*2nd* Orion Apex 102mm Maksutov-Cassegrain Telescope
This product is a 'Second'. Learn more
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  • Compact Maksutov-Cassegrain telescope provides great views during day or night
  • 102mm (4") aperture and 1300mm focal length telescope provides fantastic celestial views of the Moon, planets, and bright deep-sky objects, as well as terrestrial views of wildlife and scenery
  • A telescope small enough to store on a bookshelf but with the power of traditional scopes five times its size!
  • Includes a 25mm Sirius Plossl 1.25" eyepiece, 6x26 correct-image finder scope, 45-degree correct-image diagonal, soft carry case, Starry Night software, and more!
  • Does not include tripod or mount - either can be purchased separately


Item #  79823
  • Best for viewing
    Lunar & planetary
  • Best for imaging
    Lunar & planetary
  • User level
    Beginner
  • Optical design
    Maksutov-Cassegrain
  • Finder scope magnification
    6x
  • Optical diameter
    102mm
  • Finder scope lens diameter
    26mm
  • Focal length
    1300mm
  • Focal ratio
    f/12.7
  • Eyepieces
    Sirius Plossl 25.0mm (1.25")
  • Magnification with included eyepieces
    52x
  • Resolving power
    1.13arc*sec
  • Lowest useful magnification
    15x
  • Highest useful magnification
    204x
  • Highest theoretical magnification
    204x
  • Limiting stellar magnitude
    12.7
  • Optical quality
    Diffraction limited
  • Finder scope
    6x26 Correct-image
  • Focuser
    Internal
  • Diagonal degrees
    1.25" 45° Prism Correct-image
  • Secondary mirror obstruction
    31mm
  • Secondary mirror obstruction by diameter
    34%
  • Secondary mirror obstruction by area
    12%
  • Mirror coatings/over-coatings
    Aluminum & Silicon Dioxide
  • Mount type
    Optical Tube without Mount
  • Astro-imaging capability
    Lunar & planetary
  • Tube material
    Aluminum
  • Length of optical tube
    11.0 in.
  • Weight, optical tube
    5.0 lbs.
  • Weight, fully assembled
    5.0 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

Orders received by noon Pacific Time for in-stock items ship the same business day. Orders 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: 5.00
2 Day Delivery: 5.00
Next Day Delivery: $10.00

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