: Vixen Optics 37134 Eyepiece HR 2.4mm (Black) : Electronics. Barrel: 1.25" . Afov: 42 Degree . Eye Relief: 10mm . Coating: AS-Coated . Weight: 3 lb. . The Vixen HR 2.mm Eyepieces are designed for observation of subtle differences of the surface of the planets. The high resolution eyepiece deliver breathtaking, superb images with extremely high level of definition and contrast. ■ Approx. 0% Strehl ratio on the axis ■ Suitable for Newtonian telescopes with fast primary mirrors The HR-series work extremely well with the Vixen R200SS as it has the ability to correct coma aberration. Even at the edge of the field of view, the HR-series have a 93% Strehl ratio. The HR-series are best suited for observing the surface of the moon to extend your view to the entire field of view. ■ Simple 5 elements in 3 groups lens design While most eyepieces are constructed from 7 or 8 lens elements, the Vixen HR-series are constructed with a 5 lens elements design to achieve the largest possible transmission of light. The absorption and reflection of light are virtually eliminated. ■ Enhanced light transmission characteristics The Vixen AS-coating achieves extremely high light transmission of 99.9% per lens surface. It is applied to each of the surfaces to deliver extremely high contrast images. ■ Complete stray light correction The grooved lens frame construction contributes to the reduction of stray light. The inside of the eyepiece is perfectly threaded and blackened to prevent deterioration of the image from stray light. The inner baffle rings effectively stop any stray light. Even a hint of reflection which might occur on the tip of the sleeve is eliminated. ■ Quality product that is Made in Japan. . . .
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Black Vixen Optics 37134 Eyepiece HR 2.4mm
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