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Oculare Pentax XW 20mm, grandangolare impermeabile per telescopi e cannocchiali, vetro al lantanio, elevata estrazione pupillare.
Oculare Pentax XW 20mm, grandangolare impermeabile per telescopi e cannocchiali, vetro al lantanio, elevata estrazione pupillare.
Pentax

Pentax XW 20mm Eyepiece

Not in stock: will be backordered
Product Code: PEX70516 EAN: 27075075245
€399,00 EUR incl. VAT
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PENTAX XW 20mm – Wide-Angle Eyepiece with 20mm Eye Relief, Waterproof

The PENTAX XW 20mm eyepiece is engineered for outstanding optical performance, designed for both astronomy and terrestrial spotting scopes. With a 70° apparent field of view, a 20mm long eye relief, and a waterproof body, it ensures bright, sharp, and comfortable viewing in all conditions.

Main Features

  • Exceptional performance with wide field and immersive perspective
  • Universal compatibility with 1.25" and 2" focusers and PENTAX spotting scopes
  • Lanthanum glass elements with high refractive index and low dispersion to minimize aberrations
  • PENTAX SMC multi-coating for light transmission over 90% (up to 96% at 550nm)
  • Computer-optimized design to reduce internal reflections and enhance image contrast
  • Removable eyecups with 43mm diameter and 0.75mm pitch thread for adapters
  • Waterproof construction JIS Class 4, resistant to rain and humidity
  • 70° apparent field of view for wide and detailed observations
  • 20mm eye relief for maximum comfort, suitable for eyeglass wearers

High-End Optics for Brilliant Images

The PENTAX XW series eyepieces feature lanthanum glass elements with high refractive index and low dispersion, delivering balanced, distortion-free images. Spherical aberration of the exit pupil is corrected to minimize blackout and ensure stable viewing.

Waterproof Construction for Any Condition

With JIS Class 4 waterproofing, this eyepiece is resistant to rain and humidity, making it ideal for astronomical nights and outdoor use. Not suitable for underwater applications.

Technical Specifications

Model PENTAX XW 20mm
Focal Length 20mm
Apparent Field of View 70°
Eye Relief 20mm
Lens Coating PENTAX SMC multi-coating + special anti-reflective layer
Waterproofing JIS Class 4 (rain and humidity resistant)
Barrel Size 31.7mm (1.25") and 50.8mm (2")
Adapter Thread Ø 43mm – pitch 0.75mm

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