Product information:
Features:
1. FMC 68-Degree Ultra Wide long eye Relief Eyepiece
2. Super Wide 68 Degree apparent field offers expansive views of the moon, star clusters, and the Milky Way
3. Multi-element design delivers sharp images with good color correction and contrast
4. Aluminum 1.25" eyepiece barrel is internally blackened to eliminate light scattering
5. Threaded to accept 1.25" filters
Specifications:
2. Focal Length: 9mm
3. Barrel Size: 1.25" (31.7mm)
4. Apparent Field of View: 68 Degree
5. Coating: Fully Multi-Coated Broadband
6. Eye Relief: 17mm
7. Structure Design: 6-elements in 4 groups
8. Lens material: Optical Glass Lenses
9. Body Material: Fully Metal
10. Filter Threads: Standard 1.25" Filter Thread
11. Rubber Eye Guard: Yes