Celestron Eye Pieces

Celestron Omni 40mm Eyepiece (1.25″)

  • Omni eyepieces offer a quality 4-element Plossl optical design at a super affordable price
  • Rubber eyecups provide comfort and increase contrast. Leave them up or fold them down when wearing eyeglasses.
  • Beautiful matte aluminum barrels and blackened lens edges prevent internal reflections
  • 1.25″ barrels are threaded to accept filters
SKU: C/93325 Categories: ,


Celestron Omni 40mm Eyepiece offer a 43º 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 Celestron Omni 40mm 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.


  • Apparent Field of View: 43 °
  • Barrel Size (in): 1.25 in (32 mm)
  • Eye Relief (mm): 31 mm (1.22 in)
  • Focal Length: 40 mm (1.57 in)
  • Number of Lens Elements: 4