X-Cel Eyepieces Feature...
- Six-element optical design utilizing ED (Extra-low Dispersion) glass. ED glass provides precise optical color correction.
- Fully Multi-coated, 1.25". All air-to-glass surfaces have 5 layer
multi-coating.
- Field of view 55°.
- Parfocal -- little to no focusing adjustments are needed when
switching from a low power to high power eyepiece.
- 20mm eye relief and Soft rubber roll down eyecups -- allows
eyeglass wearers to easily position their eye over the eyepiece
and take advantage of the full field of view.
- Blackened lens edges to minimize internal reflection and
improve contrast.
- More than 25mm of clear aperture even on the high powers for
comfortable high power viewing.
- Stored in a durable plastic case.