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COMPLETED - SOLD - Pentax XW 5mm Eyepiece

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Pentax XW 5mm Eyepiece

In perfect as new condition. Bought from FLO in June 2020. In original box.

Great eyepiece but want a different focal length.

SOLD - £180.00  Posted to UK by Special Delivery

This short focal length eyepiece is particularly popular as it delivers more-or-less the maximum useful magnification from an 8-inch or 10-inch f/10 Schmidt-Cassegrain telescope.


  • High-refraction, low-dispersion Lanthanum glass.
  • Pentax Super Multi-Coatings (SMC) on all air/glass surfaces.
  • Edge-blackened optics and optimised baffles minimise internal reflections.
  • Optically corrected for use with focal ratios as fast as f/4.
  • 20mm eye-relief and twist-up rubber-rimmed eyecups - perfect for spectacle wearers.
  • Chromed barrels threaded to accept filters.
  • Weatherproof to JIS Class 4 standards.
  • Lens Structure: - 8 elements, 5 groups
  • Focal Length: - 5mm
  • Apparent Field of View: - 70 degrees
  • Eye Relief: - 20mm
  • Attachment Diameter: - 1.25" (31.7mm)
  • Filter Diameter: - 28.6mm
  • Field Stop Diameter: - 6.2mm
  • Eyepiece Ring: - Helicoid type
  • Height & Width: - 5.0" x 2.4"
  • Weight: - 14.0 oz. (395g

Payment:  PayPal (buyer pays fees) or Bank Transfer






Edited by johninderby

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Odly enough as I was updating the listing someone else sent a message saying they would have it. Just missed out  by a minute. Feel sorry for them. 🙁


Edited by johninderby
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