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Enhancing your view of celestial objects requires more than just a powerful telescope. Specialized filters can significantly improve contrast, reduce light pollution, and reveal subtle details invisible to the naked eye. Selecting the correct filter is crucial for maximizing the performance of your telescope and achieving the best possible astronomical observations.
【5 Planetary Color Filters】 5 planetary filters in red, orange, yellow, green, and blue reveal details, emphasize features, and sharpen the contrast of Mercury, Mars, Venus, Jupiter, Saturn, Moon, and other celestial objects
【Variable Polarizing Filters】 Two rotating variable polarizing filters change light transmission from 40% to 1%. They reduce reflection and glare, darken the sky background, and boost visual contrasts to make planets and stars stand out. No chromatic...
【Combine to Get a Variable ND Filter】Stacking two polarizing filters together will give you a variable ND2-2000 ND filter, which can be used freely on the telescope without affecting the focal length at all, helping you to capture more brilliant star...
【UHC Filter & Lunar Filters】 UHC (Ultra High Contrast) filter minimizes manmade light pollution like streetlights for sharp nebular viewing in urban and rural areas. The 13% transmission lunar filter allows only 13% light transmission to boost...
【10PCS Telescope Filter Set】 This telescope eyepiece filter set includes 5 x Planetary Color Filter, 2 x Variable Polarizing Filter, 1 x UHC Filter, 1 x Lunar & Starglow Filter, and 1 x 13% Transmission Lunar Filter to enhance astronomical observation...
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
Model Number : 94119-A
UNBEATABLE WARRANTY & SUPPORT: Buy with confidence from Celestron, a leading telescope brand in California since 1960. Your purchase includes a 2-Year US Warranty and unlimited support from our team of US-based experts.
PLEASE NOTE: The telescope is not included. Kit includes: (1)Lunar & Starglow Filter; (1)CPL Filter; (5)Color Filters: Red, Orange, Yellow, Green, Blue; Designed to reduce glare and light scattering, increase contrast through selective filtration...
LUNAR & STARGLOW FILTER: Cuts down glare and brings out much more surface detail and gives you better contrast; It is a multi band pass filter transmitting a high percentage of light in the visual spectrum; Effectively filters out selective wavelengths of...
CPL FILTER: By utilizing a CPL filter, which filters out scattered light, you are able to cut through those reflections and see the detail behind it; Enhances the contrast of the moon and planets in photographic images
STANDARD 1.25" THREAD SIZE: 1.25 inches/ 3.17 centimeters thread size, fits most telescopes; Color filters have the grooves needed to be softly screwed into the eyepieces lens easily
5 COLOR FILTERS: Includes Red, Orange, Yellow, Green, Blue; Red: Helps make Mercury and Venus stand out from the blue sky when viewed during the day; Orange: Helps increase contrast between light and dark areas, penetrates clouds; Yellow: Helps greatly in...
UHC filters or light pollution reduction filters are designed to selectively reduce the transmission of certain wavelengths of light;especially those produced by artificial light
Sky background is darker;and contrast of emission nebulae are noticeably improved;the perfect filter for viewing nebula from light polluted skies;or for boosting the contrast of nebula from dark sky sites
Due to its ability to produce exceptionally sharp and clear images;this UHC filter is considered one of the most popular astronomy accessories;it can be used not only for celestial observations but also for astrophotography
1.25'' barrel diameter simply attach to eyepiece cased in a sturdy transparent case;standard filter thread for 1.25" eyepieces and other accessories
Optical glass lens;aluminum frame;significantly reduces light pollution;great for city and suburban observation
Three neutral Density (ND) Filters with different levels of light transmission (13%, 25%, and 50%) allow you to choose the perfect filter for your viewing conditions
Moon & Sky glow filter provides high contrast views of the lunar surface and enhances observation of deep sky objects from light Polluted Skies
Aluminum filter cells provide a rigid, durable housing for the filter glass and are threaded on top and bottom for stacking
Kit Includes a plastic carrying case with moon map and legend for identifying the most popular lunar features
6 Telescope Filter ：This telescope filters kit includes：1 Lunar Starglow Filter；5 Color Filters：Red, Orange, Yellow, Green, Blue.Designed to reduce glare and light scattering, increase contrast through selective filtration, increase definition and...
Standard 1.25 inch Thread：The telescope filters are threaded and compatible with any 1.25 inch telescope and can be used individually or in stacks. Color filters have the grooves needed to be softly screwed into the eyepieces lens easily.
Easy to Use：The telescope filters set are easy to install and use, they help filter out unnecessary light and make you look clearer. Durable and reliable, you can use them for a long time.
Telescope Filter：Using astronomical telescope filters to observe planets can reduce the impact of other light sources, reduce glare, and observe more details on the surface of the planet.
Portable：With portable shock proof storage box, easy to transport telescope filter. Bring you a comfortable and convenient use experience when observing the moon and planets.
Included: 6X colored eyepiece filters "1.25 inch eyepiece Lunar and Planetary filters #25 Red; #21 Orange; #12 Light Yellow; #58A Dark Green; #80A Blue and #56 Green"; 1X 1.25inch ND96 MOON filter
There 1.25" filters offer excellent cost effectiveness; the filter is suitable for all visual observing and photographic uses
The filter mount is precision manufactured from metal and is extremely thin to minimise shadowing and diffraction; the threads on both sides of the filter make it also possible to combine different filters
Handy color planetary telescope eyepiece filters help enhance your view of the planets and Moon; unveiling specific features and enabling you to discern more detail
High-grade Schott optical glass is vat-dyed for even color coating; then anti-reflection coated for maximum light throughput; each filter has a metal filter cell and is threaded for use with 1.25-Inch telescope eyepieces and filter-threaded accessories
The UV-IR-Cut filter uses the very latest coating technology; to deliver the finest filtration qualit-and lifetime durability used to cut off filter blocks undesirable ultraviolet and infrared rays that may interfere with obtaining the high contrast and...
True optical quality glass substrate and coatings;to deliver the sharpest images possible;can achieves greater detail;less chromatic aberration;more natural colors and finer color gradation
Very low reflection multi-coating; Striate-free; and plane-parallel substrate; It serves as a permanent lens protector;digital imaging with DSLR cameras;CCD cameras;and modified WebCams;or telescope
Standard 2inch Filter threads for 2" eyepieces and other accessories;combine with any standard 2” filter threads for 2" eyepieces and other accessories to deliver the sharpest images possible;reducing ghost images caused by IR radiation
Comes with a plastic box to keep it safe and clean when not in use
7pcs filters set include most popular color planetary and moon telescope eyepiece filters;moon filter;CPL filter;5 color filters with 23A bright red;21 orange;12 yellow;56 bright green;82A bright blue
CPL filter is mainly used for elimination of polarized;and enhances the contrast of the moon and planets in photographic images
5 color filters are an essential tool of the lunar and planetary;with red;green;blue;orange and yellow highlight features on Mars;Jupiter;and Saturn
High quality aluminum alloy frame and optical glass with standard 1.25” filter threads suitable for 1.25” eyepieces and other accessories
Moon and skyglow filter;Cuts down glare and brings out much more surface detail and gives you better contrast; It is a multi-band pass filter transmitting a high percentage of light in the visual spectrum; Effectively filters out selective wavelengths of...
1.25 inch circular polarizing filter effectively eliminates reflected light without making these objects appear too bright or blurry
This Moon Filter Kits Improve the contrast and color saturation of images, especially in natural environments, such as making the sky appear bluer by reducing the polarized light scattered in the sky
This Telescope Filter Set 1.25 is made of Aluminum alloy frame, precision ground high-permeability optical glass, with clarity and color fidelity, lightweight and durable, environmentally friendly materials packages
Standard thread M28.5 x 0.6 mm, compatible with 1.25 inch telescope eyepieces and cameras
Stacked frame structure, filters can be connected in series,threaded rotational docking, easy to use
Very popular accessory for astrophotography
What's in the box: ND4 Filter x1, ND8 Filter x1, ND16 Filter x1, ND32 Filter x1
Last update on 2026-07-16 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Telescope Filters
Understanding Filter Types
Light Pollution Filters: Designed to block specific wavelengths of artificial light, such as sodium and mercury vapor lamps, making them ideal for observing from urban or suburban areas.
Nebula Filters: These filters isolate specific emission lines from nebulae, enhancing their visibility against the dark sky. They are particularly useful for observing faint deep-sky objects.
Color Filters: Used primarily for planetary observation, color filters can enhance contrast on planetary surfaces by blocking certain colors while allowing others to pass through.
Filter Thread Size
Telescope filters typically screw into the barrel of eyepieces or directly into the telescope's focuser.
Ensure the filter's thread size (e.g., 1.25-inch, 2-inch) matches the diameter of your eyepieces or focuser. Mismatched sizes will not be compatible.
Material and Construction
Look for filters made from high-quality optical glass to avoid introducing distortions or chromatic aberration.
Durable metal housings protect the glass and ensure a secure fit.
Frequently Asked Questions
What is the primary purpose of a light pollution filter?
Light pollution filters are designed to block common wavelengths emitted by artificial streetlights and city lights. This reduces background skyglow, allowing fainter celestial objects to become more visible, especially when observing from light-polluted areas.
How do nebula filters improve viewing?
Nebula filters work by transmitting only specific wavelengths of light that are characteristic of nebulae. By blocking other wavelengths, they increase the contrast between the nebula and the dark sky, revealing more detail and color.
Can I use any filter with any eyepiece?
No, compatibility depends on the thread size. Filters are manufactured with specific thread diameters (e.g., 1.25-inch or 2-inch) that must match the threading on your eyepieces or telescope focuser.
Are color filters useful for deep-sky objects?
Color filters are generally most effective for enhancing contrast and detail on planets within our solar system. While some might offer slight benefits for very bright deep-sky objects, they are not typically the primary choice for faint nebulae or galaxies.
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