The 5 Best Celestron 40 mm Eyepieces (2023 reviews)

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It is important to have the well suited celestron 40 mm eyepiece. In the following post, we will help you to select the best celestron 40 mm eyepieces.

Our review process:

Our Top Picks:

Celestron versatile Eyepiece
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Celestron Apparent Field
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Celestron 40 mm Eyepiece
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Celestron mm Eyepiece
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Celestron Kellner Eyepiece
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Celestron versatile Eyepiece

Celestron versatile Eyepiece
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If you are currently in the market searching for a satisfactory eyepiece for your daily usage, you cannot go wrong with this pick. The Celestron 93230 8 to 24 millimeters 1.25 inch zoom eyepiece allows you to zoom instantly with your scope from 8x magnification to 24x magnification. It comes with a barrow doubler (2x) lens and some filters that are nice to have. It is well made and delivers solid performance. It's versatility and build quality are both pretty fantastic.

It gives a nice range of magnification. The Barlow extends your range and is a good eyepiece to purchase if you are new to astronomy and your telescope. It's just much easier to use this zoom lens and the optical quality is excellent.

Why We Like This:
  • Saves changing several lenses to work down to the power
  • Very good eye piece for a begging amateur astronomer
  • Nice clear lens for a telescope

Celestron Apparent Field

Celestron Apparent Field
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If you often find yourself scrambling for convenient and suitable eyepiece, this product is your end point. The 2.3 mm eyepiece is primarily a planetary eyepiece and will produce a dim or blurry image in some scopes. It provides 80x magnification and works well on lunar and planetary observation sessions. It is good for panoramic views in the 8" sct.

This eyepiece works well in the slower scope, where it gives bright, sharp images. The adjustable eye relief is a big help for those wearing glasses and to get your eyes right up to them without fear of touching the lenses. It's definitely beginner friendly and the 40mm size makes for wonderfully bright images. These are well constucted, solid feeling eps that are easily handled with gloved or cold hands. It is a nice step up from the original equipment eyepiece.

Why We Like This:
  • You can have a big aperture and focus precisely, even with the barlow
  • High power for splitting close doubles, planetary viewing, and zeroing in on faint fuzzies
  • Great choice for planetary viewing on a night with steady seeing

Celestron 40 mm Eyepiece

Celestron 40 mm Eyepiece
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The celestron 40 mm eyepiece is the best desirable product on the market today. This classic astronomical eyepiece features the very popular kellner optical design. It is great for viewing large deep sky objects such as nebulae or close conjunctions of two celestial objects. It is also compatible with 2” star diagonals. The larger 2” size means you can get more light to your eye and enjoy low-power, wide-field views.

The eyepiece’s main housing is machined from high grade aluminum with a black anodized surface that minimizes internal reflections and blocks out stray light. It comes with a focal length of 40mm, this eyepiece offers low-power magnification for more stable views, less susceptible to atmospheric turbulence. The rubber grip ring allows for non-slip handling, even if you have gloves on. It is easy to use for eyeglass wearers.

Why We Like This:
  • Apparent fov allows more light in
  • Immerse yourself in your favorite celestial objects with celestron’s e-lux line of astronomical eyepieces
  • New and hot release

Celestron mm Eyepiece

Celestron mm Eyepiece
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Celestron has been making great eyepiece for years, thanks to a combination of clever design and appropriate materials. The Celestron Omni 2x Barlow comes in a sleek, silver package. Combining this lens with the 25 mm provides double the magnification, or the equivalent of a 12.5 mm eyepiece, while the 10 mm gives you the power of a 5 mm eyepiece. The premium four-element optical set is finished with multiple layers of high-transmission coatings for clear, sharp images. It can be left up or folded down for better observations while wearing eyeglasses.

The 1.25” barrel will fit in standard 1.25” focusers and diagonals, and the Barlow will accept 1.25” eyepieces. It includes a black rubber eyecup. The insert barrel is threaded to accept 1.25” filters.

Why We Like This:
  • Beautiful matte aluminum barrels and blackened lens edges prevent internal reflections
  • Fully multicoated optics with blackened edges for good light transmission and minimal reflections
  • Slides into 1.25 inch focuses and diagonals and accepts 1.25 inch eyepieces

Celestron Kellner Eyepiece

Celestron Kellner Eyepiece
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If you want nothing but a product that is satisfactory, this celestron kellner eyepiece is certainly a wise investment. The 26mm 2" E-lux eyepiece is offered a la carte, but it is also included in the 2â Eyepiece and Filter Kit. It is designed for 2” focusers. The Generous 24mm eye relief makes E-lux easy to use for eyeglass wearers.

The body The 26mm E-Lux eyepiece has a main housing that is machined from high grade aluminum with a black anodized outer surface. It comes with a focal length of 26mm, this eyepiece offers the ideal mid-power magnification. The Apparent field of view allows you to see larger swaths of the night sky at once. You’ll love it for observing most deep sky objects and exploring the moon’s surface.

Why We Like This:
  • 26 mm kellner eyepiece designed for 2” focusers
  • Long eye relief (24mm) for comfortable viewing
  • 3 -element lens design with fully multi-coated optics
  • Apparent field of view allows you to view larger celestial objects