{"product_id":"pentax-smc-xw-23mm-eyepiece-for-spotting-scopes-and-astronomical-telescopes-2-inch-om54av","title":"Pentax SMC XW 23mm Eyepiece for Spotting Scopes and Astronomical Telescopes (2-Inch)","description":"\u003cp\u003eThe Ricoh Pentax XW 23mm Eyepiece is a high-performance, wide-angle eyepiece for use with high-grade spotting scopes.\u003c\/p\u003e\u003ch3\u003eClear, Comfortable Viewing Assured by an 85-Degree Apparent Angle of View and 20mm Eye Relief\u003c\/h3\u003e\u003cp\u003eWith an 85-degree apparent angle of view eyepiece, the XW 23 is newly added to the SMC Pentax XW-series lineup featuring an extra-long 20mm eye relief to deliver an exciting wide-perspective image.\u003c\/p\u003e\u003ch3\u003eHigh-Grade Optics for Exceptional Image Quality\u003c\/h3\u003e\u003cp\u003eThe high-performance XW 23 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 for the spherical aberration of the pupil.\u003c\/p\u003e\u003ch3\u003ePentax-original\u003cstrong\u003e \u003c\/strong\u003eMulti-Layer Coating for Outstanding Light Transmission Efficiency\u003c\/h3\u003e\u003cp\u003eAll 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 a light transmission efficiency of more than 90 percent (96 percent at 550nm) over the visible light spectrum.\u003c\/p\u003e\u003ch3\u003eAdvanced Light-Shielding Technology for Improved Image Contrast\u003c\/h3\u003e\u003cp\u003eThanks to Pentax’s advanced computer simulation technology, the XW 23 features a light-shielding diaphragm at the most effective position to drastically reduce internal reflections for a brighter, higher-contrast image.\u003c\/p\u003e\u003ch3\u003eWeatherproof Construction for All-Weather Viewing\u003c\/h3\u003e\u003cp\u003eThe XW series 23mm eyepiece features JIS Class 4 weatherproof construction, making it possible to use it in drizzle or under night dew. This eyepiece is not designed for underwater use and should not be submerged underwater.\u003c\/p\u003e\u003ch3\u003eSleeve Size and Eyecup Design\u003c\/h3\u003e\u003cp\u003eThe XW 23 eyepiece provides a 50.8mm installment diameter. When you remove the screw-on eyecup. it also provides a screw thread with a 43mm diameter and a 0.75 pitch.\u003c\/p\u003e\u003ch3\u003eComprehensive Lineup to Accommodate All Applications\u003c\/h3\u003e\u003cp\u003eFeaturing functional, practical focal lengths, the XW eyepieces series provides a comprehensive lineup that accommodates all types of applications, from low-magnification viewing of stars to high-magnification observation of planets.\u003c\/p\u003e","brand":"RICOH IMAGING AMERICAS CORPORATION","offers":[{"title":"Default Title","offer_id":47323406663836,"sku":"70541-RICOH","price":109.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/2147\/3180\/files\/6s04xt78o9on_b5e11198-db8d-42e5-9d6d-735ae8053f00.jpg?v=1786032672","url":"https:\/\/focuscameras.shop\/products\/pentax-smc-xw-23mm-eyepiece-for-spotting-scopes-and-astronomical-telescopes-2-inch-om54av","provider":"Cypress \u0026 Main","version":"1.0","type":"link"}