Explore Scientific 120° Ar high-end eyepiece 9 mm (2 inches) multi-layer coating and argon inert gas filling.

• Unique combination of excellent edge sharpness even with fast optics and huge field of view. The patented EMD" coating in combination with internal bezels ensures high contrast and prevents annoying reflections.
• The argon filling effectively prevents fogging from the inside and you do not need to be afraid of dust, glass fungus or the penetration of cleaning fluid.
• The eyepieces are waterproof sealed - each eyepiece is tested for tightness by submersion. The blackened lens edges ensure reflex freedom and maximum contrast.
• Eyepiece mount socket diameter: 50.8 mm, length of plug-in sleeve: 39 mm, weight: 1300 g.
• Box contents: 120° Ar eyepiece 9 mm (2 inch)

The wow effect eyepiece: thanks to the enormous field of view and high magnification, it feels like you are floating between the stars instead of just looking at you through a telescope. The unique observation experience even exceeds the expectations of experienced amateur astronomers - with this eyepiece you are in the middle! Of course, it offers the same equipment as the established 100° eyepieces: filled with protective gas and waterproof, the high-quality EMD coatings are protected from environmental influences. Dust, glass fungus and cleaning fluids cannot get into the eyepiece. So you can enjoy this ultimate eyepiece for many years.