Product Overview

Introducing the Pentax Eyepiece XW-16.5, a masterpiece of optical engineering designed for both terrestrial and astronomical enthusiasts. With its 85° apparent field of view and 20mm eye relief, this eyepiece ensures a comfortable and immersive viewing experience, whether you're observing distant nebulae or enjoying the beauty of nature. The advanced multi-layer coating and high-grade optics provide exceptional light transmission and image clarity, making every observation a vivid experience. Built with weather-resistant construction, the XW-16.5 is ready for any adventure, rain or shine.

Key Features

  • 85° apparent angle of view for expansive celestial and terrestrial observations.
  • 20mm eye relief ensures comfort during extended viewing sessions, even with eyeglasses.
  • High-grade optics with lanthanum glass minimize aberrations for sharp, clear images.
  • Multi-layer coating enhances light transmission efficiency, exceeding 90% for bright, vivid views.
  • Advanced light-shielding diaphragm improves image contrast by reducing internal reflections.
  • Weatherproof construction (JIS Class 4) allows for reliable use in various weather conditions.
  • Compatible with a wide range of telescopes and spotting scopes, offering versatile use.
  • Lightweight design at 26.3 oz (745 g) for easy portability and setup.

Included in the Box:

  • Pentax SMC XW 16.5mm Eyepiece (2")
  • Eyepiece lens cap
  • Objective lens cap
SKU PEN70540
Model # 70540
Brand Pentax
Length 142mm
Weight 745 grams

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