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Omni Series 1.25 in - 40mm
Item no. 93325
SRP: £69.00
Warranty: 24 Months

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 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
  • 32 mm


  • 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.



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


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