High resolution argon-filled tip eyepiece
    Patented EMD coating for high contrast
    Argon filling prevents fogging in the eyepiece
    Waterproof sealed eyepiece
    Blackened lens edges ensure freedom from reflection
    All technical data and dimensions of the eyepieces in the pdf in the folder "Media"
    Stainless steel sleeve with conical locking groove

Technical specifications:

Optical features:

Focal length (mm): 25
Apparent. Field of view: 100°
Elements / groups: 10/7

General specifications:

Waterproof
Eyecups: Rubber eyecups, inverted
Adult warranty after online registration: 10 years

Custom attributes:

Net weight (gr.) without accessories: 1080
Eyepiece plug-in diameter (mm): 50.8
Length of the socket (mm): 39