The 8 Best Celestron 4 mm Eyepieces (2023 reviews)

It allows to zoom from low to high power in an instant with this versatile eyepiece. This is a 1.25" diameter eyepiece which is the same size that the 102az uses. It has threads on the inside of the base for attaching filters. The magnification ring is stiff, with no clicks. The eyepiece is well made and nicely finished with a smooth zoom mechanism.

This zoom eyepiece makes it very easy and comfortable to dial in and view all the way up to 8mm when conditions allow. It makes it easy to locate an object at lower zoom 24mm. For beginners, it replaces 3-5 eyepieces and allows one to really find the proper mag. The ability to zoom on the fly makes keeping the target in the field of view incredibly easy.

Customers say that getting a 4 x barlow len, along with eyepiece is useful.

Why We Like This:

Image quality is pretty consistent throughout the zoom
Heavy and well built with excellent clarity
Works well except for the highest magnifications

RELATED: Best 4 X Barlow Lens

Best For zooming: Celestron Best Eyepiece

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The celestron best eyepiece is the best reliable product on the market today. It’s really a great zoom eyepiece, but it offers great field of view and it can be used with a t-ring for astrophotography. It is finished, tracking by hand at high magnification is made far easier with a single multi zoom eyepiece. It comes with a focal length of 8 to 24 millimeters.

The folding eyecup lets you view with or without glasses, and the field of view (40 - 60 degrees) works well for terrestrial observations as well as for views of the moon, planets, and deep-sky objects. It is quite clear and has solid adjustment. The zoom ring moves smoothly and is well marked to know your zoom level. It is a little heavy and a bit stiff on the zoom function.

Customers discovered that getting a 4 x barlow len, along with eyepiece is useful.

Why We Like This:

Eyepiece improves view with the magnification
Optics are very clear and bright
Amazing eyepiece with excellent views of the night sky

RELATED: Best Celestron dew Shields

Best For night Viewing: Celestron Eye piece

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The celestron eye piece has killer features for the price point. The nice part about this zoom lens is the long eye. It's just much easier to use this zoom lens and the optical quality is excellent. Every part of it is great, it even has t-threads so you can photograph with it. The moon view fills the entire lens of the eyepiece. It has a large opening to view through.

The convenience of doing quick zoom's to find and center on objects then hone in is really nice and for most planetary viewing this presents a pretty decent view. It is great for night viewing, not as good for bird watching during the day. There are threads on the inside of the eye piece and if you unscrew the top lens reveals the T-ring threads so you can photograph with it. This eye piece is great for kids, too.

Customers discovered that getting a 4 x barlow len, with this eyepiece made their life much easier.

Why We Like This:

Fits canon eos rebel t7i or other camera types with the appropriate celwstrom adapter
Very good construction feels solid and views are very clear
Easy to zoom in and out
Power your celestron computerized telescope from any ac wall outlet

Best For occasional sky gazer: Celestron Great Eyepiece

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The celestron great eyepiece's high-end materials makes sure that it ages well with use. It is great for locating an object then zooming in to the center then switching to a quality lens or camera for viewing. It is great for zooming, but will not replace a good set of eyepieces. It comes with a barrow doubler (2x) lens and some filters that are nice to have. It is also helpful when observing venus or bright terrestrial scenes.

It works very well, you will love the packaging and the container it comes in. It is great for occasional sky gazer.

Few customers bought 4 x barlow len, along with the eyepiece.

Why We Like This:

Very sharp and clear through its full range
Makes low power viewing very simple
Reduce glare and increase contrast of the moon with the celestron 1.25” moon filter

Best For locating An object: Celestron Perfect accessory

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The celestron perfect accessory should be able to handle its purpose and duties with ease. This eyepiece is incredible and will handle any casual astronomer's needs. It is fast and easy, and lets you examine any object at various magnifications without requiring you to physically change eyepieces. It is extremely useful in outreach setting with children.

The 24 mm zoom eyepiece allows you to choose from a variety of magnifications in a flash. It is simple to use—just rotate the filter’s lower ring to adjust brightness. It’s very sturdy and has pretty good eye relief. The zoom feature is great, even if it comes at expense of a diminished AFOV.

Customers found that buying a 4 x barlow len, along with eyepiece is useful.

Why We Like This:

Very smooth motion to transition from the different magnifications
Easy to control, wide fov and adequate eye relief
Good investment for long term

Best buget Eyepiece: Celestron versatile Eyepiece

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Next on the list, we've got yet another product that manages to win our hearts. It's the celestron versatile eyepiece and it's widely considered as one of the best convenient products you can buy. It’s very sturdy and has pretty good eye relief. It has zoom capability and loosing some sharpness compared to an individual zoom piece. It provides a slightly wider field of view, and slightly better sharpness. It comes with a nice hard plastic protective case which is a big plus.

The nice part about this zoom lens is the long eye relief distance, meaning you can wear glasses or contact lenses, or, without glasses you do not need to jam the eyepiece against your eyeball. It’s versatility and build quality are both pretty fantastic. It has no threads above the lens and is just rubber. It is easy to bring in targets at different ranges.

Customers say that buying a 4 x barlow len, along with eyepiece is useful.

Why We Like This:

Nice to have around when viewing near by objects
Come in it's own protective case
Good brand reputation

Best For Wide angle Eyepiece: Celestron 4 mm Eyepiece

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Best part: celestron 4 mm eyepiece costs comparatively low and it is available to ship in 24 hours. If you’re looking to do eyepiece projection photography, like with your phone, then yes you can with this eyepiece. The X-Cel LX 12mm will give you 233x magnification with your scope, that's a nice middle range, not too high magnification or too low. It slides into any 1.25 inch focuses and the 1.25” barrels are threaded to accept filters.

This EP has such a great Field of View and very clear images. It's a bit big and heavy to use with a long barlow lens. It is also a much superior eyepiece to what comes with the Travel Scope. It is an excellent quality wide field eyepiece. It will give you 16.5X power and a great wide field view.

Customers say that getting a celestron len, along with eyepiece is useful.

Why We Like This:

Works better on telescopes up to 100 mm of aperture
Wide view, clear view of jupiter and 4 moons
Good eyepiece with wide but comfortable field of view

Best With spotting Scope: Celestron Omni Eyepiece

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If you often find yourself scrambling for convenient and suitable eyepiece, this product is your solution. This classic astronomical eyepiece features the very popular plössl optical design. It is finished with a two-step anodizing process that results in a beautiful matte finish on the exterior while reducing internal reflections and glare inside. It has an adjustment range from 8mm to 24mm. It can be left up or folded down for better observations while wearing eyeglasses. It is also compatible with 1.25” star diagonals, focusers and barlows.

This is a great eyepiece to see more clarity on planets and the moon. It has 16mm of eye relief so you have room to adjust your reflective target sheet. It is good for viewing dim and large nebula or use as a "finder" eyepiece. It is a 4mm eyepiece of pretty good quality.

Customers also discovered that its helpful to get a 4 x barlow len, along with this eyepiece.

Why We Like This:

You can get really nice views with good quality plossl eyepieces
High quality eyepiece that comes with a quality "bolt case" for storage
Inch focus housing and provide 83x magnification
Magnification without undully diminishingthebrightness or clarity of the image.in a nutshell