Pentax XF Zoom Eyepiece for Spotting Scopes 6.5mm-19.5mm, 1.25 Tube

PENTAX XF eyepieces offer high-refraction, low-dispersion lanthanum glass elements to provide high-resolution images with minimal aberrations. PENTAX-original smc full-surface multi-layer coated optics reduce glare while providing maximum light transmission and color quality. Advanced computer simulation design technology was developed to reduce internal reflections, producing brighter, clearer images. Ideal for observation and photography of planets.

Lens Structure: Real Field of View: Apparent Field of View: 42-60 Degree Eye Relief: 11mm - 15mm Field Stop Diameter: Dimensions: Weight: Notes: American-standard 31.7mm sleeve, 1.25" Magnification with 65mm S.S.: 20x - 60x Rubber Eyepiece Ring