Sky-watcher 6mm Ultrawide Eyepiece
6mm UltraWide Eyepiece. This Sky-Watcher 6mm Ultra-Wide Angle, Multi-Coated, Long Eye Relief eyepiece offers a generous 66º apparent field of view and an eye relief of 14.8mm. It provides a crisp, sharp image right across the field. Rubber eyepieces are included for viewing comfort and to exclude extraneous light. Available in 6mm, 9mm, 15mm and 20mm focal lengths.