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Celestron Moon Filter - 1.25"

Celestron Moon Filter - 1.25"

by Celestron
SKU CEL-94119-A
CA$18.00 - CA$18.00
CA$18.00
CA$18.00 - CA$18.00
CA$18.00
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  • Reduces overwhelming brightness and glare from the Moon
  • Enhances contrast to reveal finer surface details
  • Threads directly onto most standard 1.25" eyepieces
  • Improves viewing comfort, especially near the full moon phase
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Warranty

  • Celestron Moon Filter - 1.25"

    The Celestron Moon Filter - 1.25" is an essential accessory for observing our nearest celestial neighbor. By reducing the Moon's intense brightness, this filter allows your eye to relax and open up, revealing subtle details in crater walls, rilles, and mare that are otherwise lost to glare. Backed by a 2-year warranty, it simply threads onto any standard 1.25" eyepiece to instantly improve your lunar viewing experience.

    Reduce Glare and See More Detail on the Moon

    Viewing the Moon, especially when it is near full, can be uncomfortably bright through a telescope. Your eye reacts to the intense light by stopping down, which hides faint contrasts and washes out surface features. The Celestron Moon Filter acts like a pair of high-quality sunglasses for your telescope, dimming the view to a comfortable level and significantly increasing contrast between light and dark areas.

    This reduction in glare is the key to unlocking finer details. With the filter in place, you can comfortably study the complex ejecta blankets around prominent craters, trace the delicate lines of sinuous rilles, and distinguish between the different lava flows that formed the lunar seas billions of years ago.

    Simple 1.25" Thread-On Design for Instant Use

    This filter is designed for immediate and universal use. It features standard 1.25" filter threads that screw directly onto the barrel of most 1.25" eyepieces, regardless of the brand. Installation takes only a few seconds, transforming any of your standard eyepieces into a specialized tool for lunar observation.

    • Universal Fit: Compatible with any eyepiece that has a standard 1.25" filter thread, making it a versatile addition to your accessory case.
    • Beyond the Moon: The filter is also effective at cutting the glare from Venus, allowing you to more easily discern its phases. It can also be used to dim very bright terrestrial scenes during daytime observation.
    • Important Safety Note: This filter is designed for lunar and planetary viewing only. It is absolutely not a solar filter and must never be used to observe the Sun.

    Is the Celestron 1.25" Moon Filter Right for You?

    If you've ever found yourself squinting at the eyepiece while observing the Moon, this filter is a necessary accessory. It's the single most effective and affordable upgrade for anyone looking to move beyond casual glances and begin serious lunar exploration. For a minimal investment, you gain the ability to see more detail and observe for longer periods in greater comfort.

  • Why do I need a Celestron Moon Filter to observe the Moon?

    The Moon is extremely bright through a telescope, especially around its full phase. This brightness causes your pupil to contract, hiding faint details and causing eye strain. The Celestron Moon Filter reduces the light to a comfortable level, which improves contrast and allows you to see much finer surface features like small craters and rilles.

    Will the Celestron Moon Filter help me see the craters Copernicus and Tycho more clearly in my 6" Newtonian?

    Absolutely. For bright targets like Copernicus and the extensive ray system of Tycho, the filter will cut the overwhelming glare, making the crater walls, central peaks, and surrounding ejecta blankets stand out with much greater clarity. It allows you to study these features for longer periods without discomfort.

    How do I attach the 1.25" Moon Filter to my eyepiece?

    The filter simply screws into the threads on the bottom of the barrel of most standard 1.25" eyepieces. Just unthread the eyepiece from your focuser or diagonal, attach the filter, and place the eyepiece back in. It takes only a few seconds.

    Does the Celestron Moon Filter change the color of the Moon?

    Most standard moon filters are neutral density filters, meaning they reduce brightness across the entire visual spectrum equally. This dims the view without introducing any significant color cast, preserving the Moon's natural grey and white tones.

    Can I use the Celestron Moon Filter to see the phases of Venus?

    Yes, the filter is very helpful for observing Venus. Venus is the brightest planet and its glare can make it difficult to see its phase clearly. The Moon Filter reduces this glare, providing a much sharper and more defined view of its crescent or gibbous shape.

    Can I use this Celestron filter to look at the Sun?

    NEVER. You must never use this Moon Filter, or any eyepiece filter, to view the Sun. It will not block the harmful infrared and ultraviolet radiation and will lead to immediate and permanent eye damage. Only use a certified solar filter that covers the entire front of your telescope.

  • Product Name Moon Filter - 1.25"
    Barrel Size 1.25"
    Warranty 2-Year Warranty

    • Celestron Moon Filter - 1.25"

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  • Celestron 2-Year Warranty