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Celestron Moon Filter

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Celestron Moon Filter
Our Price:  £11.99
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  (4 Reviews)

The Celestron Moon Filter (94119-A-CGL) is an almost essential astronomy telescope accessory, it is a screw on eyepiece filter for reducing the brightness of the moon and improving contrast.

Bar Code:  050234941198
Part Number:  94119-A-CGL
Brand:  Celestron
Warranty:  2 Years



The Celestron Moon Filter reduces brightness and improves contrast so that greater detail can be observed on the lunar surface. The clear aperture is 21mm and the transmission is around 18%.

The Moon has the distinction of being the most often viewed celestial object through backyard telescopes. It is undoubtedly beautiful and mysterious, and is one of those constants in our lives that connects us to every other being on our planet. Regardless of who we are or where we live or travel, we all look at the same moon.

It is difficult to look at the Moon through an astronomy telescope and see all of the details due to its brightness. Our eyes are not ready for the bright beam of light that emits from the eyepiece, and they “stop down”, just as they would when you step out into the sunlight on a bright summer’s day. When we’re in the sunlight, we often wear sunglasses. They help us relax our eyes, protect us from glare, and help us see things more clearly. When amateur astronomers observe the Moon, we use a moon filter. A Celestron Moon Filter provides similar benefits to those of sunglasses...our eye relaxes and opens up to let us see more detail. This is especially important when observing the Moon when it is near full.

The Celestron Moon Filter simply screws onto the insert barrel of most 1.25” eyepieces. It only takes a second or two to transform your regular eyepiece into one suited for lunar observations. A Moon Filter is also helpful when observing Venus or bright terrestrial scenes. This filter is not suitable for viewing the Sun.

- Reduce glare and increase contrast of the Moon with the Celestron 1.25” Moon Filter
- Also useful for extra bright planets as well as terrestrial viewing over sand or snow
- Threads onto most 1.25” eyepieces in seconds

Average Rating (4 Reviews):  
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Tuesday, 19 January 2021  | 

Bought for my husband. He is just a beginner but very happy with this purchase

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Moon filter
Sunday, 3 January 2021  | 

As far as I am aware this moon filter does the job it's intended to do. The girlfriend is over the moon with it.

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Moon filter
Monday, 18 May 2020  | 


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Essential Filter
Thursday, 15 November 2012  | 

delivered quick from Pcistop, if you have a scope and have one accessory make it this one, simple filter.


This review has not been appraised.


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