2inch F15mm Ultra Wide Angle 80-Deg FMC Eyepiece for Astronomical Telescope

Description

2" F15mm Eyepiece Ultra Wide Angle 80 Degree Astronomy Monocular Telescope FMC Eyepiece
Features
:
New Ultra black design, fully multi-coated
15mm focal length, 2" fitting diameter
This superb ultra wide angle eyepiece has 80 degree field of view
Standard female thread to fit a filter etc at the rear end
6-Elements in 4 Groups Design
The inside of the adapter is fully threaded to minimize reflections
Coma-free View out of 72% of the field radius
Great Contrast and Color Correction
Packed in a protective plastic case
Specifications:
The structure of the optical system: Ultra Wide Series Eyepiece
Barrel Size: 2" (50.8mm)
Angle field of View: Ultra wide 80 degree
Optical Design: 6 Elements
Focal Length: 15mm
Eye-relief: 20mm
Coating: Fully coated Broadband Green Film
Threaded for filters and Barlow lens: 2 inch
Material: Glass + Metal
Color: Ultra black design
Net Weight: 230g
Total Height: 90mm
1 x Fully Black 2" F15mm UW80 Eyepiecetronomical telescope monocular
tronomical telescope monocular
About eyepiece