Pentax XW40-R 40mm Wide Angle Eyepiece 2 In

Description: VISIT OUR EBAY STORE Pentax XW40-R 40mm Wide-Angle Eyepiece (2-inch) Condition: Brand New in Original Packaging SKU: 70538 Features Focal length: 40mmProvides a 50.8mm (2-inch) installment diameter70-degree field of view for comfortable viewingExtra-long 20mm eye relief for wide-perspective imageExtra-low-dispersion Lanthanum glassPentax multi-layer coating on all surfacesLight-shielding diaphragm for improved image contrastAdjustable twist-up eye cupJIS Class 4 weatherproof construction Product Description Ricoh Imaging is pleased to announce the release of the Pentax XW40-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.Long-Focal-Length Eyepiece Thanks 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.70-Degree Apparent Angle of View and 20mm Eye Relief All 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.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 Multi-Layer Coating 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. Please note that this series is not designed for underwater use and should not be submerged.Sleeve Size and Eyecup Design This eyepiece provides a 50.8mm (2-inch) installment diameter. When you remove the screw-on eyecup, the XW40-R model provides a screw thread with a 48mm diameter and a 0.75 pitch. What's in the Box Pentax XW40-R 40mm Wide-Angle Eyepiece (2-inch) Specifications Pentax XW40-R 40mm Wide-Angle EyepieceFocal length: 40mmLens construction: 6 elements in 5 groupsEye relief: 20mmApparent field of view: 70 degreesCoating: Multi coatingWeatherproof: Equivalent to JIS Class 4Sleeve size: 50.8mmDimensions (L x Dia): 117 x 76 mm Shipping Payment Returns Feedback Shipping for this item is free in the Continental US Lower 48 states only. Shipping Fees include all handling & insurance. For Domestic Shipping to the Lower 48 States: All shipping prices include shipping, handling and insurance (if necessary). 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Price: 426 USD

Location: Brooklyn, New York

End Time: 2024-02-20T09:27:28.000Z

Shipping Cost: 0 USD