Unlock breathtaking celestial views with the Pentax XW 16.5mm Eyepiece, a premium choice for astronomical observation. Engineered for exceptional clarity and comfort, this eyepiece delivers an expansive 85° apparent field of view, making it ideal for observing nebulae and star clusters. The high-performance optics incorporate high-refraction, extra-low-dispersion lanthanum glass elements to produce a well-balanced, sharp image with minimal aberrations from edge to edge. Pentax's advanced design features fully multi-coated lenses that ensure outstanding light transmission efficiency of over 90% across the visible spectrum, revealing faint details with superior contrast. A long 20mm eye relief provides comfortable viewing for all users, including those who wear glasses, while effectively reducing the blackout effect common in other eyepieces. Built to withstand the elements, the XW 16.5mm features JIS Class 4 weatherproof construction, allowing for reliable use in damp conditions or under night dew. Enhance your stargazing experience with an eyepiece renowned for its immersive, high-contrast views and robust build quality. Discover the cosmos in stunning detail with the Pentax XW series. Take your astronomical observations to the next level with this premium Pentax eyepiece from Xhunter Australia.

KEY FEATURES

  • Focal Length: 16.5mm
  • Apparent Field of View: 85°
  • Eye Relief: 20mm
  • Barrel Size: 2 inches (50.8mm)
  • Lens Construction: 7 elements in 5 groups
  • Lens Glass: High-refraction, low-dispersion Lanthanum glass
  • Coatings: SMC multi-layer coating
  • Weatherproofing: JIS Class 4 equivalent (splash-proof)
  • Light-Shielding: Advanced internal diaphragm for reduced reflections
  • Weight: 745g
  • Model Number: 70540
SKU PT129987LP
Model # 70540
Barcode # 27075304901
Brand Pentax
Shipping Weight 0.4000kg

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