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