Celestron 5mm X-Cel LX Series 1.25"


Availability: More on the way

This short focal length 5mm Celestron X-Cel LX Series six-element eyepiece is good for medium to medium high magnification viewing and imaging with short focal length refractors and fast focal ratio reflectors and high power viewing with catadioptric scopes.
Our Product #: CXLX05
Celestron Product #: 93421

Product Description

This Celestron X-Cel LX 5mm eyepiece uses a new six-element fully-multicoated optical system to provide a wide 60° field of view. It gives you good medium to medium high magnification views with short focal length refractors and fast focal ratio/short focal length reflectors. It also provides about the maximum usable magnification for a typical 8" f/10 Schmidt-Cassegrain. Its full multicoatings provide high contrast that makes it a good choice for splitting close binary stars, for seeing faint low contrast lunar and planetary details, and for ferreting out small planetary nebulas.

It generally will be useful with long focal length refractors, reflectors, or catadioptric scopes only under very good or better seeing conditions. Average seeing conditions would limit its usefulness with these scopes. Using it with a 2000mm 8" f/10 Schmidt-Cassegrain, for example, will result in 400x (50x per inch of aperture) and a 0.5mm exit pupil (about 1/50th of an inch across). Both of these are right at the rule of thumb maximum values of magnification per inch of aperture and exit pupil size for usable observing under good to very good seeing conditions for a reasonably experienced observer.

It has a twist-up rubber eyecup and a usable eye relief of 16mm, for virtually unvignetted use with eyeglasses. A no-slip rubber grip ring provides a secure and comfortable grip when handling or changing eyepieces in cold weather. It is parfocal with the other X-Cel LX models so it will require little refocusing when changing between focal lengths.

It can also be used for imaging through your scope with a smart phone. Click on the "Recommended Accessories" tab above to find the adapter you need.

The Celestron X-Cel LX 5mm comes with dust caps for both ends of the eyepiece and a bolt-type plastic storage case.

Tech Details

Barrel Size 1.25"
Eye Relief 16mm
Field of view 60
Focal Length 5mm
Number of optical elements 6
Weight 7.2 oz.
Warranty 1 year


Review by:
This is a well-built eyepiece that is very reasonably priced. I mostly have lower to intermediate-priced eyepieces (orthoscopics and plossels), and adding this eyepiece was my best purchase. It is now my favorite high-power eyepiece for planetary observations.. (Posted on 8/26/2019)
Review by:
Sometimes you just don't have enough money to put out for a high dollar eyepiece this one will do just fine it does for me it clear good enough eye relief and doest feel cheap (Posted on 12/1/2018)
Review by:
Hello guys this is 5mm and it is the best eyepiece for me and for you who want to see saturn, uranus, jupiter. And don't think that the price is very high. or it is expensive because this eyepiece deserve it. trust me. trust one how tried and not who telling you. (Posted on 8/4/2017)
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