Telescope for Astronomical Telescope Outdoor Monocular Telescopes Portable
Features:
New ultra black design, and all-layer coated. Focal Length: 15mm, barrel size: 2". This superb ultra wide angle eyepiece has 80 degree field of view. 2-inch standard female thread to fit a filter etc at the rear end, very well built. 6-Elements in 4 groups design. The inside of the adapter is fully threaded to minimize reflections.
Specification:
Color: Ultra Black
Material: Metal, Alloy
Optical System: Ultra Wide Eyepiece
Barrel Size: 2" (50.8mm)
Angle of View: UW 80-Degree
Optic Design: 6-Element
Focal Length: 15mm
Eye Relief: 20mm
Coating: Fully Coated Broadband Green Film
Filter and Barlow Lens Thread: 2"
Total Height: Approx. 90mm
Weight: Approx. 700g
Package List:
1 * 2" Untra-Wide Eyepiece

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