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Orion Telescopes

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*2nd* 6.3mm Orion Sirius Plossl Telescope Eyepiece
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  • This 6.3mm Orion Sirius Plossl eyepiece is ideal for all types of telescopes: reflector, refractor, and catadioptric
  • Superb 6.3mm focal length 1.25" eyepiece for high-power planetary and lunar observation in any telescope
  • Offers a 52° apparent field of view for clear, sharp views of impressively high contrast
  • Fully coated optics with magnesium fluoride on every air-to-glass surface to reduce reflection and increase light transmission
  • Eyepiece barrel threaded for use with 1.25" Orion filters


Item #  78739
  • Design
    Plossl
  • Eyepiece focal length
    6.3mm
  • Barrel size
    1.25"
  • Apparent field of view
    52.0°
  • Eye relief
    4.1mm
  • Coatings
    Multi-coated
  • Number of elements
    4
  • Filter threads
    Yes
  • Parfocal
    No
  • Field stop diameter
    5.0mm
  • Barrel security recess
    No
  • Blackened lens edges
    Yes
  • Rubber eyeguards
    Yes
  • Body material
    Aluminum
  • Case
    No
  • Weight (oz.)
    2
  • Dimensions
    1.4 in. x 1.3 in.
  • Warranty
    One year

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