{"product_id":"ricoh-70537-fcob-telescopes-astronomy-telescope-eyepieces-accessories","title":"Pentax XW30-R 30mm Wide-Angle Eyepiece (2-inch) (Open Box)","description":"\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Open Box\u003cbr\u003e\u003cstrong\u003eCondition Details:\u003c\/strong\u003e Fully functional item with opened or replaced packaging; essential accessories included.\u003c\/p\u003e\u003chr\u003e\u003cp\u003eRicoh Imaging is pleased to announce the release of the Pentax XW30-R Eyepiece as part of the Sports Optics Line. This eyepiece offers a 70-degree field of view for comfortable viewing. It is specially designed to offer an excellent field of view while the fully multi-coated lenses increase light transmission and color quality. It provides ideal viewing when used with a telescope for viewing the nebula, planets and exploring the night sky.\u003c\/p\u003e\u003ch3\u003eLong-Focal-Length Eyepiece\u003c\/h3\u003e\u003cp\u003eThanks to its long-focal-length design, this eyepiece will let you observe large celestial bodies spreading across the night sky, such as the Pleiades star cluster and the Andromeda Galaxy, in their entirety when mounted on an astronomical telescope with a focal length of 1000mm.\u003c\/p\u003e\u003ch3\u003e70-Degree Apparent Angle of View and 20mm Eye Relief\u003c\/h3\u003e\u003cp\u003eAll smc Pentax XW-series eyepieces feature an extra-wide 70-degree apparent angle of view and 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-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.\u003c\/p\u003e\u003ch3\u003ePentax Multi-Layer Coating\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 the light transmission efficiency of more than 90-percent (an astonishing 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 series 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\u003eComprehensive Lineup to Accommodate All Applications\u003c\/h3\u003e\u003cp\u003eFeaturing 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.\u003c\/p\u003e\u003ch3\u003eWeatherproof Construction for All-Weather Viewing\u003c\/h3\u003e\u003cp\u003eThe XW series features JIS Class 4 weatherproof construction, making it possible to use it in drizzle or under night dew. Please note that this series is not designed for underwater use and should not be submerged.\u003c\/p\u003e\u003ch3\u003eSleeve Size and Eyecup Design\u003c\/h3\u003e\u003cp\u003eThis eyepiece provides a 50.8mm (2-inch) installment diameter. When you remove the screw-on eyecup, the XW30-R model provides a screw thread with a 48mm diameter and a 0.75 pitch.\u003c\/p\u003e","brand":"RICOH IMAGING AMERICAS CORPORATION","offers":[{"title":"Default Title","offer_id":42832190898224,"sku":"70537_FCOB","price":299.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/3219\/9216\/files\/2599248_7e25f573-2ba7-44c3-a9d6-46cafcd4f6fe.jpg?v=1773068693","url":"https:\/\/focuscamera.com\/products\/ricoh-70537-fcob-telescopes-astronomy-telescope-eyepieces-accessories","provider":"Focus Camera","version":"1.0","type":"link"}