PENTAX SPOTTINGSCOPE EYEPIECE PR 20-60X

High-performance eyepiece for astronomical telescopes offer exceptional versatilityDesigned for use with Pentax spotting scopes, provides 20-60× magnification when used with them. Also recommended for use with astronomical telescopes with 1 14" focuser. It has weatherproof construction for greater durability. Pentax full-surface multi-layer coated optics reduce glare while providing maximum light transmission and color quality. It's made of high-refraction, low dispersion lanthanum glass to provide high resolution images with minimal aberrations. In addition, advanced computer simulation design technology was used to reduce internal reflections, producing brighter, clearer images. The Zoom XL 8-24 mm has a rubber eyepiece ring designed for viewing comfort.Compatible with the PF-65 and PF-65 ED II series spotting scopes, PF-80 series spotting scopes and PF-100 series spotting scopes.Pentax PF-65ED(A)II Magnification: 16-48× Real Field of View: 2.4°-1.25° Apparent Field of View: 38°-60° Field of View at 1000m: 40-21 m Exit Pupil: 4.0-1.4 mm Eye Relief: 18-22 mm Pentax PR-65EDA Magnification: 16-46× Real Field of View: 2.4°-1.3° Apparent Field of View: 38°-60° Field of View at 1000m: 40-21 m Exit Pupil: 4.1-1.4 mm Eye Relief: 18-22 mm Pentax PR-80EDA Magnification: 20-61× Real Field of View: 1.9°-1.0° Apparent Field of View: 38°-60° Field of View at 1000m: 33-18 m Exit Pupil: 4.0-1.3 mm Eye Relief: 18-22 mm Pentax PF-80ED Magnification: 20-60× Real Field of View: 1.9°-1.0° Apparent Field of View: 38°-60° Field of View at 1000m: 33-17 m Exit Pupil: 4.0-1.3 mm Eye Relief: 18-22 mm Pentax PF-80EDA Magnification: 21-63× Real Field of View: 1.8°-0.95° Apparent Field of View: 38°-60° Field of View at 1000m: 31-16.5 m Exit Pupil: 3.8-1.3 mm Eye Relief: 18-22 mm Pentax PF-100ED Magnification: 26-78× Real Field of View: 1.5°-0.8° Apparent Field of View: 38°-60° Field of View at 1000m: 26-14 m Exit Pupil: 3.9-1.3 mm Eye Relief: 18-22 mm