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PENTAX XF 12mm Eyepiece 1.25"



  • Model: XF12
  • Manufactured by: Pentax


The PENTAX XF12 is ideal for outdoor viewing and bird watching. This high-performance unifocal eyepiece offers a focal length of 12mm, provides bright, high-contrast images, and features an extendible eyepiece ring with four click-stop positions.

Lens Structure:6 elements, 4 groups
Real Field of View:1.8 degrees
Apparent Field of View:60 degrees
Field of View at 1000m:31m
Field of View at 1000 Yards:93 ft.
Exit Pupil:2.0mm
Eye Relief:18mm
Field Stop Diameter:12.8mm
Relative Brightness:4.0
Height & Width:3.1" x 1.7"

  • 60 degree apparent field of view
  • Rubber eyepiece ring designed for viewing comfort
  • Also recommended for use with astronomical telescopes with 1.25" focuser
  • Pentax SMC full-surface multi-layer coated optics reduce glare while providing maximum light transmission and color quality
  • High-refraction, low dispersion lanthanum glass to provide high resolution images with minimal aberrations
  • Advanced computer simulation design technology to reduce internal reflections, producing brighter, clearer images.
  • Weatherproof construction for greater durability.

    The PENTAX "Worry Free" Warranty is available on all PENTAX Sport Optics products purchased in the United States from an authorized PENTAX dealer. More..

  • Manufacturer Info

    Lunt Solar Systems