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These eyepieces have 20mm of eye relief, even for the shorter focal lengths. This means these eyepieces are very comfortable to use and are also suitable for spectacle wearers. The built-in rubber eyecup prevents any ingress of external stray light.
All the eyepieces in this series have a non-slip grip ring to ensure a safe grip at all times. Another advantage is the recessed groove in the eyepiece barrel - to prevent it accidentally falling out of the focuser.
The field of view is 45° for the 2mm and 5mm eyepieces and 50° for the 9mm, 15mm, 20mm and 25mm eyepieces.
