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Pentax

10 Items

Pentax 3.5 mm XW Series 1.25" Eyepiece - 70511

SKU: PEN-70511
  • Focal Length: 3.5 mm
  • Apparent Field of View: 70
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$299.00 $269.00

Pentax 5.0 mm XW Series 1.25" Eyepiece - 70512

SKU: PEN-70512
  • Focal Length: 5 mm
  • Apparent Field of View: 70
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$299.00 $269.00

Pentax 7 mm XW Series 1.25" Eyepiece - 70513

SKU: PEN-70513
  • Focal Length: 7 mm
  • Apparent Field of View: 70
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$299.00 $269.00

Pentax 10 mm XW Series 1.25" Eyepiece - 70514

SKU: PEN-70514
  • Focal Length: 10 mm
  • Apparent Field of View: 70
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$299.00 $269.00

Pentax 14 mm XW Series 1.25" Eyepiece - 70515

SKU: PEN-70515
  • Focal Length: 14 mm
  • Apparent Field of View: 70
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$299.00 $269.00

Pentax 20 mm XW Series 1.25" Eyepiece - 70516

SKU: PEN-70516
  • Focal Length: 20 mm
  • Apparent Field of View: 70
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$299.00 $269.00

Pentax 8.5 mm XF Series 1.25" Eyepiece - 70531

SKU: PEN-70531
  • Focal Length: 8.5 mm
  • Apparent Field of View: 60
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$129.00

Pentax 12mm XF Series 1.25" Eyepiece - 70532

SKU: PEN-70532
  • Focal Length: 12mm
  • Apparent Field of View: 60
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$129.00

Pentax 6.5mm - 19.5mm XF Series Zoom 1.25" Eyepiece - 70530

SKU: PEN-70530
  • Focal Length: 6.5mm - 19.5mm
  • Apparent Field of View: Depends on Spotting Scope Model
  • Barrel Size: 1.25"
  • Eye Relief: 11 mm to 15 mm
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$289.00

Pentax 8mm - 24mm SMC Waterpoof Zoom 1.25" Eyepiece - 70509

SKU: PEN-70509
  • Focal Length: 8mm - 24mm
  • Apparent Field of View: Depends on Spotting Scope Model
  • Barrel Size: 1.25"
  • Eye Relief: 18 mm to 22 mm
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$359.00

Pentax has been at the forefront of photography for decades. However, most people don’t realize Pentax’s contributions to astronomy. Their eyepieces are a joy to use with many features astronomers look for. With fully multi-coated optics and generous eye relief, these are eyepieces designed for a broad range of applications.


Pentax’s XW Series are all high-quality eyepieces, offering a 70° apparent field of view through high-refraction, low dispersion Lanthanum glass elements. This gives the observer bright, high-resolution views with minimal aberration and distortions. The XW eyepieces offer 20mm of eye relief, perfect for observers who wear glasses while observing. The chrome barrel provides a sleek durable base that easily threads into your scope. Lens edges have been blackened to reduce internal reflections and increase contrast.


When researching eyepieces, be sure to pay attention to the eyepiece’s focal length, apparent field of view, eye relief, and barrel size, so you can equip your scope with the best selection of eyepieces. These factors are essential to understanding the eyepiece. If you have any questions or need help choosing an eyepiece, feel free to reach out to our experts.

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