Pentax XW 40 mm 70-Degree Eyepiece

ITEM #
PE-XW40-R
  • This 70° Field of View eyepiece has a focal length of 40 mm and a 2-inch barrel.
  • There is a 20 mm of eye relief making it easy to use for viewers both with and without glasses.
  • Extra-Low-Dispersion Lanthanum Glass.
  • Weatherproof (not submersible).
  • Phase Coating on all surfaces.
  • Light Shielding Diaphragm to Drastically Reduce Internal Reflections.
  • Adjustable twist-up eye cup.
  • Sale
  • Regular price $399.95

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Pentax XW 40 mm 70-Degree Eyepiece

These Pentax XW 40 mm 70-Degree Eyepieces are specially designed to offer an excellent Extra Wide field-of-view while the fully multi-coated lenses increase light transmission and color quality. The perfect eyepiece for viewing nebula, planets, and exploring the night sky.

All of the Pentax XW eyepieces offer a 70° field of view for comfortable viewing. The XW30-R eyepiece was designed specifically to provide ideal viewing when used with a telescope.

Advanced Technology Advanced computer simulation design technology was used to drastically reduce internal reflections, producing brighter, clearer images.

Durable Design JIS Class 4 weatherproof construction makes these eyepieces more durable.

Key Features of the XW Eyepiece Line:
  • Part of the 70° Field of View Series with 1.25-inch and 2-inch Eyepieces.
  • There is a 20 mm of eye relief on all focal lengths in this series, making them easy for viewers with and without glasses.
  • Available in 3.5 mm, 5 mm, 7 mm, 10 mm, 14 mm, and 20 mm focal lengths have 1.25-inch barrel. The 30 mm, and 40 mm focal lengths have 2-inch barrels.
  • Extra-Low-Dispersion Lanthanum Glass.
  • Weatherproof (not submersible).
  • Phase Coating on all surfaces.
  • Light Shielding Diaphragm to Drastically Reduce Internal Reflections.
  • Adjustable twist-up eye cup.

 

SPECIFICATIONS

Field of View70 Degrees
Focal Length40 mm
FoV 79 Degrees
ManufacturerPentax
Size2"
Weight0.24 lb