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Celestron Moon Filter 1.25 by Celestron
Digital product summary informationManufacturer: Celestron Model: 94119-A Product features: - Celestron Moon Filter, 1-1/4'' : 94119-A
Digital camera reviews of Celestron Moon Filter 1.25Digital camera Review: Does the job Summary: 5 Stars
This inexpensive moon filter makes looking at the moon a much more enjoyable experience. Consider it "sun glasses" for your telescope. It reduces glare, increases contrast, and makes moon viewing much easier on your eyes, especially a full moon at higher magnification. Light transmission is about 18%.
Summary of Celestron Moon Filter 1.25Celestron'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
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