Celestron Omni 4mm Eyepiece (1.25" Mount)

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Celestron Omni series eyepieces offer a 50º apparent field of view, perfect for the Moon, planets, and a plethora of deep-sky objects. The premium four-element optical set is finished with multiple layers of high-transmission coatings for clear, sharp images. The edges of the optics are blackened for increased contrast.

The Omni eyepiece body is made of aluminum. A two-step anodizing process results in a beautiful matte finish that resists reflections and glare. Each eyepiece in the Omni Series includes a black rubber eyecup. It can be left up or folded down for better observations while wearing eyeglasses. Models with a longer barrel (15 mm, 32 mm, 40 mm) include a rubberized grip for non-slip handling during observing sessions. The insert barrel is threaded to accept 1.25" filters.

Celestron Omni eyepieces are also available in the following focal lengths in a 1.25" format:

6 mm, 9 mm, 12 mm, 15 mm, 20 mm, 25 mm, 40 mm

Focal Length: 4mm (0.16")
Apparent Field of View: 50°
Eye Relief: 6mm (0.24")
Number of Lens Elements: 4
Barrel Size: 32mm (1.25")

Eyepiece and caps

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