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 10 of 59 
Orion Telescopes
Beginner
6.3mm Orion Sirius Plossl Telescope Eyepiece
$38.99
 
Accepted Payment
Expected Ship Date: 03/29/2024

  • 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-deg 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


Learn more
Item #  08739

It's no surprise that the eyepieces in our Sirius Plossl line are our best-selling telescope eyepieces. Quality this good usually costs a lot more.

Offering a wide 52° apparent field of view, this 6.3 mm Orion Sirius Plossl Telescope Eyepiece provides extremely sharp images of impressively high contrast. It's ideal for all types of telescopes: reflector, refractor, and catadioptric. The Plossl 4-element design is renowned for its outstanding performance, and has become the standard by which all other telescope eyepieces are judged.

The Sirius Plossl optical system is multi-coated for excellent light transmission and bright views. Lens edges are blackened to reduce scattering of stray light and maximize contrast.

The lenses are mounted in black-anodized aluminum housings with a 1.25"-diameter chrome-plated brass barrel for durability and precision fit. The barrel is internally threaded to accept standard telescope filters. The built-in rubber eyeguard enhances viewing by helping to block out ambient light and position the eye.

This 6.3 mm Orion Sirius Plossl Eyepiece is superb for high-power planetary and lunar observation, and well suited to double-star viewing when stable seeing conditions permit.

Warranty

Limited Warranty against defects in materials or workmanship for one year from date of purchase. This warranty is for the benefit of the original retail purchaser only. For complete warranty details contact us at 800-447-1001.

Product Support
Visit our product support section for instruction manuals and more
  • User level
    Beginner
  • 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

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.

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