Celestron Moon Filter (1.25") - For Viewing the Moon When Bright

Celestron Moon Filter (1.25") - Reduces Excessive Light Reflected From the Moon for Better Viewing

Celestron Moon Filter (1.25") - Reduces Excessive Light Reflected From the Moon for Better Viewing

B&H # CEFM MFR # 94119-A
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Celestron Moon Filter (1.25") - For Viewing the Moon When Bright

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  • 1Description

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 1.25" filter. Transmission is about 18%.

UPC: 050234941198
In the Box
Celestron Moon Filter (1.25") - Reduces Excessive Light Reflected From the Moon for Better Viewing
  • 1-Year Warranty
  • Table of Contents
    • 1Description
    Packaging Info
    Package Weight 0.06 lb
    Box Dimensions (LxWxH) 2.9 x 1.5 x 1.3"
    Moon Filter (1.25") - For Viewing the Moon When Bright is rated 3.5 out of 5 by 23.
    Rated 3 out of 5 by from Filter's fine, but attachment procedure unclear I recently bought a Celestron moon filter, but when it arrived, there were no instructions with it to show me how to attach it. It has a threaded, polymeric outer rim, which presumably is meant to mate with the threads on the inside of the metal lower eyepiece barrel (the end away from the viewing end). I managed to get them to thread into one another, but it took some trial and error because the polymer threads seem a bit rough, and I cross threaded it a couple of times before I got it right. Maybe it's not supposed to thread at all, but is instead intended to be a press fit. A small printed insert instructing one on how to do this would have been welcome.
    Date published: 2017-02-22
    Rated 2 out of 5 by from Good filter, bad threads. As a filter, it does what it says: Massively reduces eyestrain when viewing the moon through a telescope, enhances sharpness on small features. As a product, it is poorly thought out. All other Celestron filter kits I've bought house the filter in aluminum rings/threads, those are fantastic. This is plastic. The plastic is too malleable, and deforms if you cross thread it. Optics threads are find and a shallow pitch, so you will cross thread it. After removing mine from a bad cross-thread with pliers, I sanded the threads off, and let it tension fit, and it works pretty well. I'm still looking for one in an aluminum housing though.
    Date published: 2017-06-02
    Rated 2 out of 5 by from Poor quality I bought this along with my first telescope. A moon filter is very useful, but this one is not. It is incredibly cheaply made, and looks and feels like a dollar store item. It has a lot of irregularities in the plastic ring, and mine arrived with the ring already cracked, so it would not thread on the eye pieces, except after a lot of tries and struggle. Overall, it is not worth the little money it costs. I returned it and bought the Celestron set of eye pieces and filters instead, which comes with a much better quality moon filter. Fortunately, buying for B&H meant an easy no-hassle return.
    Date published: 2017-09-18
    Rated 1 out of 5 by from VERY POOR THREADS Plastic. Useless threads.
    Date published: 2017-05-24
    Rated 2 out of 5 by from Cheaply made The threading on this filter is very cheaply made from molded plastic. I had to clean up the threads with a knife to remove fragments and had a very hard time threading this on. I gave up and first and almost just threw it away but came back later and tried again and eventually got it to thread to my eyepiece. I would not buy this again.
    Date published: 2016-08-28
    Rated 2 out of 5 by from A cheap plastic filter. This filter has a cheap plastic cell. I had trouble threading it into my diagonal the first time, but I finally got it. I will have to be very careful with this one in the future. It works okay but it gives the moon a slight green color.
    Date published: 2017-02-16
    Rated 1 out of 5 by from Cracked, then Returned...Twice! The first one I received was cracked and split open across the word moon. B&H provided a swap...but they sent me another one with the same defect. It might even be the same one as far as I can tell!
    Date published: 2017-04-12
    Rated 5 out of 5 by from Awesome! It minimizes the brightness of the moon which is what it's supposed to do. I could see every details of the moon with my Celestron evolution 9.25 SC telescope. It's fascinating
    Date published: 2014-12-29
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