1 SIZE: Standard 1.25 inch astronomical telescope universal eyepiece, can be mounted with standard 1.25 inch astronomical filters and Barlow lens. 2 REFLECTION REDUCTION: The eyepiece features a 4 element optical design. The premium optical lenses minimize internal reflections and maximize contrast. The black coated eyepiece barrel also prevents reflections. 3 WIDE FIELD OF VIEW: The 40mm folding eyepiece has an AFOV of approximately 50 degrees. Provides the widest field of view, superb sharpness and extra long eyepiece distance. 4 ERGONOMIC DESIGN: Comes with a soft eyecup so that the eye can comfortably reach the eyepiece while viewing. Comes with a sturdy plastic lens cap to protect the eyepiece from dust and water. 5 LENS COATING: The eyepiece adopts FMC green film coating technology. This coating technology can effectively reduce reflected light and increase light transmission.Item Type: Telescope Eyepiece
Material: Aluminum, Optical Glass
Weight: Approx. 171g / 6oz
Focal Length: 40mm
Apparent Field: Approx. 50 Degrees
Interface Specifications: Standard 3.17cm / 1.25in
Lens Coating: FMC Green Film
Number Of Lenses: 2 Group 4 Element
Thread Specification: M28.6X0.6mm
What's in the box
1 x Telescope Eyepiece
2 x Dust Cap (Installed)
