Celestron Moon Filter: Picture 1 thumbnail Celestron Moon Filter: Picture 2 thumbnail
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$11.70
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Celestron Moon Filter: Picture 1 regular $11.70

About Celestron Moon Filter

Celestron's Moon Filters are economical eyepiece filters for reducing the brightness of the moon and improving contrast, so greater detail can be observed on the lunar surface. The clear aperture is 21mm for the 1¼" filter. Transmission is about 18%.

1¼" Moon Filter [94119-A]
Eyepiece filters are an invaluable aid in lunar and planetary observing. They reduce glare and light scattering, increase contrast through selective filtration, increase definition and resolution, reduce irradiation and lessen eye fatigue. Celestron's filters are made of high quality, solid plane parallel glass with excellent homogeneity. They're anti-reflection coated to prevent glaring and ghosting. All eyepiece filters are threaded to fit Celestron's, and most other manufacturer's, 1¼" eyepieces, and offer a full 26mm clear aperture. Celestron filters are mounted in black anodized aluminum cells with the Kodak Wratten Series Number individually engraved, and come with a plastic case for safe storage. The cells of each filter are double-threaded, so they can be stacked (piggybacked) in various combinations. This allows you to create different color combinations and transmission characteristics, or to have the same color characteristic, but with a lower transmission. When stacking color filters, the effective transmission of the combination you create is equal to the product of the spectral transmission of each of the filters used.

The effectiveness of the filters depends on several factors, including: the aperture and focal length of the telescope, the magnification being used, and seeing conditions.

The Celestron Moon Filter is commonly used for Astronomy and more.The Celestron Moon Filter is most used by customers who consider themselves to be a Casual/ recreational among others.

Summary of Customer Reviews

(5)
Customers most agreed on the following attributes:
Best Uses:
Astronomy (4)
Reviewer Profile:
Casual/ recreational (4)

Celestron Moon Filter Reviews

Review Snapshot®

 
3.8

(based on 5 reviews)

75%

of respondents would recommend this to a friend.

Ratings Distribution

  • 5 Stars

     

    (2)

  • 4 Stars

     

    (1)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (0)

Most Liked Positive Review

 

nice filter

moon viewing

VS

Most Liked Negative Review

 

Not what I wanted...

I am disappointed.

Reviewed by 5 customers

 
3.0

SoSo

By

from Oregon  -  Avid Adventurer

The optics perform as needed. However, the build quality is very poor. The lens is housed in plastic and not a hard dense plastic, either. Threading soft plastic to metal does not work well especially when the threads are tight as they are on scopes. You can see in the pics the plastic mold seems are not cleaned up. This adds to the difficulty of threading it onto an eyepiece. The threads on the filter will undoubtedly strip. Because of this I cannot recommend it.

(0 of 3 customers found this review helpful)

 
2.0

Not what I wanted...

By

from Nebraska  -  Casual/ Recreational

I am disappointed.

 
5.0

Works Great!

By

from Greensboro,NC  -  Casual/ Recreational

Brings out detail on the moon.

 
4.0

looks good

By

from mn  -  Casual/ Recreational

Works well. Has plastic threads I worry about stripping

(2 of 2 customers found this review helpful)

 
5.0

nice filter

By

from Tucson, AZ  -  Casual/ Recreational

moon viewing

Q&A

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Questions about this item:

James K  I am looking for a moon filter for my nikon d70. Please advise?
THOMAS R  The celestron moon filter is just a regular neutral density filter that screws onto the teescope side of the 1.25" eye piece. It works fine, although I have only had a chance to use in onces or twice due to weather. If you are looking to do afocal photography (through the viewfinder) you can also use a regular neutral density (ND2 or ND4) filter screwed onto the front of the camera lens, if you already have one.
James K  I am looking for a moon filter for my nikon d70. Please advise?
THOMAS R  The celestron moon filter is just a regular neutral density filter that screws onto the teescope side of the 1.25" eye piece. It works fine, although I have only had a chance to use in onces or twice due to weather. If you are looking to do afocal photography (through the viewfinder) you can also use a regular neutral density (ND2 or ND4) filter screwed onto the front of the camera lens, if you already have one.
James K  I am looking for a moon filter for my nikon d70. Please advise?
THOMAS R  The celestron moon filter is just a regular neutral density filter that screws onto the teescope side of the 1.25" eye piece. It works fine, although I have only had a chance to use in onces or twice due to weather. If you are looking to do afocal photography (through the viewfinder) you can also use a regular neutral density (ND2 or ND4) filter screwed onto the front of the camera lens, if you already have one.
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