Kosn 1.25" Bertele 20mm telescope eyepiece, equipped with 3 groups of 4 pieces fully multicoated lenses ——46 degrees wide field of view with 14mm long exit pupil distance, comfortable observation with glasses; Aluminum alloy body black inner wall effectively stray light interference, with a matching rubber eye mask to enhance the shading, and a protective box for easy storage and carrying. When paired with a long focal length telescope, it capture the lunar surface craters, Saturn's rings, and Jupiter's texture clearly, easily unlocking the delicate details of planetary observation.

● Kson 1.25” Bertele 20mm Telescope Eyepiece

● Plastic Case for safe, dust free storage