Pentax Eyepiece XW-23
Pentax Eyepiece XW-23
Pentax Eyepiece XW-23
Pentax Eyepiece XW-23
Pentax

Pentax Eyepiece XW-23

70541

$1,190.00
/
Tax included. Shipping calculated at checkout.
  • In store:
  • In stock at supplier, allow 5+ days
  • Special order, allow 5+ days
  • Out of stock at supplier, enquire with store

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Indent order. Ordered in for you from our supplier and paid in full (100%) at order. The expected date is the supplier's estimate and can move; we'll email you if it changes. Indent orders can't be returned for change of mind, and a cancellation is refunded less any costs already incurred. See our Payment, Deposits and Orders and Refunds policies. Your consumer guarantee rights are not affected.

Achieves the widest 85° apparent field of view in the XW series

High-performance eyepieces for use with high-grade spotting scope

smc PENTAX XW series - 70° or 85° Apparent Angle of View, 20mm Eye Relief, plus Weatherproof Body for Multi-Application Viewing

Long-focal-length eyepieces, ideal for nebula and star cluster observations. XW23 are newly added to the smc PENTAX XW-series line up featuring an extra -wide 85-degree apparanet angle of view with an extra-long 20mm eye relief to deliver an exciting wide-perspective image.

High-Grade Optics for Exceptional Image Quality

The high-performance XW-series optics incorporates high-refraction, extra-low-dispersion lanthanum glass elements to produce a well-balanced image with minimal aberrations. It is particularly designed to reduce the disturbing blackout effect by effectively compensating the spherical aberration of the pupil.

PENTAX-Original Multi-Layer Coating for Outstanding Light Transmission Efficiency

All lens surfaces that come in contact with air are treated with the original multi-layer coating, while all laminated surfaces are treated with the innovative partial coating, to offer the light transmission efficiency of more than 90 percent (an astonishing 96 percent at 550nm) over the visible light spectrum.

Advanced Light-Shielding Technology for Improved Image Contrast

Thanks to PENTAX’s advanced computer simulation technology, the XW series features a light-shielding diaphragm at the most effective position to drastically reduce internal reflections for a brighter, higher-contrast image.

Comprehensive Lineup to Accommodate All Applications

Featuring functional, practical focal lengths, the XW eyepiece series provides a comprehensive lineup that accommodates all types of applications, from low-magnification viewing of stars to high-magnification observation of planets.

Weatherproof Construction for All-Weather Viewing

The XW series features JIS Class 4 weatherproof construction,* making it possible to use it in drizzle or under night dew.

* The XW-series eyepieces are not designed for underwater use and should not be submerged under water.

Sleeve Size and Eyecup Design

The XW series provides a choice of two installment diameters: American-standard 31.7mm version, and 50.8mm (two-inch) version. When you remove the screw-on eyecup, it also provides a screw thread with a 43mm diameter and a 0.75 pitch.

Specifications

  • Focal Length: 16.5mm
  • Lens Construction: 7 Elements 5 Groups
  • Eye Relief: 20mm (12mm - distance from the viewing rubber)
  • Apparent Angle of View: 85°
  • Coating: Multi coating
  • Weatherproof: JIS class 4 equivalent (splash-proof)
  • Sleeve size: 50.8mm
  • Diameter & Length: 76mm×125mm
  • Weight (+/- 5%): 770g

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