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Celestron Telescope Omni Series Eyepieces

Item# CELE240
 
4.5

(25 Ratings)

Customer Q & A
1. Size:
1-1/4 Inch 12.5mm Eyepiece
1-1/4 Inch 6mm Eyepiece
1-1/4 Inch 9mm Eyepiece
1-1/4 Inch 15mm Eyepiece
1-1/4 Inch 32mm Eyepiece
1-1/4 Inch 40mm Eyepiece

Price:

$29.95 to $49.95

List Price: $36.95 to $63.95
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Details & Dimensions
Guarantee & Returns
  • Wide selection of focal lengths
  • Plössl optical design
  • Blackened lens edges
  • Multi-layer coating
  • Accepts 1-1/4" Celestron thread-in filters

Description

If you are looking to move up to a higher quality eyepiece the Omni series provides more enhanced features in a wider selection of focal lengths. Celestron designed this series with the finer points in mind so you, the user, can benefit from the features that make this series unique.

 

The Omni is a 4-element premium symmetrical Plössl optical design. Features include blackened lens edges to minimize internal reflection and maximize contrast, multi-layer coating group on each lens surface to maximize light transmission and contrast, and each Omni goes through a two-step anodizing process to prevent reflection from the top eyepiece barrel, unlike most other manufactures who use reflective surfaces.

 

Threaded barrels accept 1-1/4" Celestron thread-in filters.


 

4mm Omni Eyepiece

  • Focal Length (mm)  4 mm (0.16 in)
  • Angular Field of View (deg)  52 °
  • Eye Relief (mm)  6 mm (0.24 in)
  • Size  1.25 in (32 mm)
  • Eyepiece Elements  4

 


6mm Omni Eyepiece

 

  • Focal Length (mm)  6 mm (0.24 in)
  • Angular Field of View (deg)  52 °
  • Eye Relief (mm)  5 mm (0.2 in)
  • Size  1.25 in (32 mm)
  • Eyepiece Elements  4

 

9mm Omni Eyepiece

 

  • Focal Length (mm)  9 mm (0.35 in)
  • Angular Field of View (deg)  52 °
  • Eye Relief (mm)  6 mm (0.24 in)
  • Size  1.25 in (32 mm)
  • Eyepiece Elements  4

 

12.5mm Omni Eyepiece

 

  • Focal Length (mm)  12.5 mm (0.49 in)
  • Angular Field of View (deg)  52 °
  • Eye Relief (mm)  8 mm (0.31 in)
  • Size  1.25 in (32 mm)
  • Eyepiece Elements  4

 

15mm Omni Eyepiece

 

  • Focal Length (mm)  15 mm (0.59 in)
  • Angular Field of View (deg)  52 °
  • Eye Relief (mm)  13 mm (0.51 in)
  • Size  1.25 in (32 mm)
  • Eyepiece Elements  4

 


32mm Omni Eyepiece

 

  • Focal Length (mm)  32 mm (1.26 in)
  • Angular Field of View (deg)  52 °
  • Eye Relief (mm)  22 mm (0.87 in)
  • Size  1.25 in (32 mm)
  • Eyepiece Elements  4

 


40mm Omni Eyepiece

 

  • Focal Length (mm)  40 mm (1.57 in)
  • Angular Field of View (deg)  43 °
  • Eye Relief (mm)  31 mm (1.22 in)
  • Size  1.25 in (32 mm)
  • Eyepiece Elements  4

Shipping Restrictions:
Available for shipment to the USA and Canada only.

Dimensions & Specifications

Brand

Celestron

Telescope Eyepiece Series

Celestron Omni Telescope Eyepieces

Options

Size:

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The Perfect Accessories

Customer Reviews

REVIEW SNAPSHOT®

by PowerReviews
Celestron Telescope Omni Series Eyepieces
 
4.4

(based on 25 reviews)

Ratings Distribution

  • 5 Stars

     

    (15)

  • 4 Stars

     

    (8)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (1)

94%

of respondents would recommend this to a friend.

Pros

  • Strong construction (13)
  • Easy to use (8)
  • Great optics (6)
  • Quality lenses (6)
  • Accurate (5)

Cons

    Best Uses

    • Astronomy (17)
    • Terrestrial viewing (3)
      • Reviewer Profile:
      • Casual/ recreational (15), Avid adventurer (3)
      • Was this a gift?:
      • No (12)

    Most Liked Positive Review

     

    An excellent choice at a low price

    My 8" Celestron telescope is capable of significantly greater than 200x magnification, but I intend to focus primarily on lunar targets, usually in the city, so 200x is sufficient for now. I w...Read complete review

    My 8" Celestron telescope is capable of significantly greater than 200x magnification, but I intend to focus primarily on lunar targets, usually in the city, so 200x is sufficient for now. I wanted a lens that would get me there and this one more than fills the bill. Now if the weather will just cooperate!

    VS

    Most Liked Negative Review

     

    Good for a starter scope

    This eyepiece was a gift to my friends son who's just getting into astronomy and I didn't want to get something high end. It works great with his 90mm refractor scope but seems to have...Read complete review

    This eyepiece was a gift to my friends son who's just getting into astronomy and I didn't want to get something high end. It works great with his 90mm refractor scope but seems to have a bit of a sweet spot. images seemed to go in and out of focus easily while observing but Saturn came in sharp when in focus. Although its a great price and quality for my purposes, an avid observer may find better quality with a Meade 5000 series or better. Would recommend for the novice or casual observer.

    Reviewed by 25 customers

    Sort by

    Displaying reviews 1-5

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    4.0

    very happy

    By Gary

    from CASA GRANDE,AZ

    About Me Casual/ Recreational

    Verified Buyer

    Pros

    • Widely Compatible Adapter

    Cons

    • None

    Best Uses

    • Astronomy

    Comments about Celestron Telescope Omni Series Eyepieces:

    nice piece

    • Was this a gift?:
    • No

    (0 of 2 customers found this review helpful)

     
    5.0

    Omni Eyepiece

    By Andrew

    from OMAHA,NE

    About Me Casual/ Recreational

    Verified Buyer

    Pros

    • Easy To Use
    • Good Padding
    • Great Optics
    • Strong Construction
    • Widely Compatible Adapter

    Cons

      Best Uses

      • Astronomy
      • Bright Conditions
      • Terrestrial Viewing

      Comments about Celestron Telescope Omni Series Eyepieces:

      Ordered 4mm. Got 10mm by mistake. Got prompt refund and the eyepiece was gratis! I reordered and received a 4mm eyepiece.
      I will try it tomorrow with and without a 2x Barlow.

      • Was this a gift?:
      • No

      (0 of 2 customers found this review helpful)

       
      5.0

      Nice quality items

      By Daniel L

      from BARTLESVILLE,OK

      About Me Casual/ Recreational

      Verified Buyer

      Pros

      • Easy To Use
      • Great Optics
      • Strong Construction

      Cons

        Best Uses

        • Astronomy
        • Terrestrial Viewing

        Comments about Celestron Telescope Omni Series Eyepieces:

        All items I ordered came in no time,i really like the quality of the products, I'll be ordering again.

        • Was this a gift?:
        • No

        (0 of 2 customers found this review helpful)

         
        5.0

        one word review

        By Larry

        from CHICAGO,IL

        About Me Casual/ Recreational

        Verified Buyer

        Pros

        • Easy To Use
        • Good Padding
        • Great Optics
        • Strong Construction

        Cons

          Best Uses

          • Astronomy
          • Bright Conditions

          Comments about Celestron Telescope Omni Series Eyepieces:

          excellent

          • Was this a gift?:
          • No

          (0 of 1 customers found this review helpful)

           
          4.0

          Nice for the Price

          By The Gator

          from North Central Florida

          About Me Casual/ Recreational

          Verified Buyer

          Pros

          • Easy To Use
          • Good price value

          Cons

            Best Uses

            • Astronomy

            Comments about Celestron Telescope Omni Series Eyepieces:

            Good eyepiece for its price point. I got this for a Celestron 114ESQ I got for my son as a first 'scope, and it's much clearer than the stock 10mm eyepiece. For serious observers using a larger instrument I would go for a more expensive Super Plossl, but for the intended use this is fine.

            Service and delivery comments:

            No issues. Smooth transaction and delivered well ahead of the promised delivery date.

            • Was this a gift?:
            • No

            Displaying reviews 1-5

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            Customer Q & A

            Q1: How crisp would this be in a Tasco 500x4.5 reflector EQ, and what can it see (can it see galaxies) how far does it see in a 1000mm telescope.  Would you recommend it, if not tell of another eyepiece I could get.

            A: The Celestron Omni 4mm eyepiece would be a good match for the Tasco 500x4.5 Reflector. It will magnify everything that your scope brings in 250 times, which is just about the maximum magnification the scope can handle. Eyepieces can't magnify what the scope can't bring in, though. A 4.5-inch reflector can reach out to Magnitude 12 or a little better. That brings in the light from roughly 5 million stars. The 4.5-inch scope will reveal structure in the Andromeda Galaxy and give views of several other galaxies.

            Q2: Is the 4mm lens compatible with the Celestron NextStar 4SE? Or do you recommend a different lens? I would really like to see the rings of Saturn.

            A: The Celestron 4SE can only support up to 240x magnification, and the 4mm would give you 330x magnification. We recommend a 6mm eyepiece which is 225x magnification. It is the highest eyepiece your telescope can support with clarity.

            Q3: Would these eyepieces be a good match for a vintage C8?

            A: If your C8 uses a standard 1.25" eyepiece, these would work quite well.

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