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Orion Telescopes

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*2nd* 27mm Orion Edge-On Flat Field Eyepiece
This product is a 'Second'. Learn more
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Item #  78641
  • Design
    Proprietary
  • Eyepiece focal length
    27.0mm
  • Barrel size
    1.25"
  • Apparent field of view
    53.0°
  • Eye relief
    21.0mm
  • Coatings
    Fully multi-coated
  • Number of elements
    5
  • Filter threads
    Yes
  • Parfocal
    Yes
  • Field stop diameter
    24.4mm
  • Barrel security recess
    Yes
  • Blackened lens edges
    Yes
  • Rubber eyeguards
    Yes
  • Body material
    Aluminum
  • Case
    No
  • Weight (oz.)
    6
  • Dimensions
    2.9 in. x 1.8 in.
  • 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.

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