The Best Telescope Filters

Looking for the best Telescope Filters?

Discover now our comparison of the best Telescope Filters. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Telescope Filters are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Telescope Filters in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1

Neewer 1.25 inches Telescope Moon Filter, CPL Filter, 5 Color Filters Set(Red, Orange, Yellow, Green, Blue), Eyepieces Filters for Enhancing Definition and Resolution in Lunar Planetary Observation

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, increase definition and resolution, reduce irradiation and lessen eye fatigue
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 low pressure sodium and other man-made sources typically used in street lighting
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 viewing Mars by bringing out the polar ice caps; Green: Enhances frost patches, surface fogs, and polar projections on Mars; Blue: Helps split the binary star Antares when at maximum separation

No. 2

NEEWER 1.25' Telescope Eyepiece Filter Set (10 Pack), Including Planetary, Variable, UHC, Lunar & Starglow Filters for Moon Observation

【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 aberration.
【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 rivers. Note: The thinner polarizing filter needs to be mounted underneath the ringed polarizing filter.
【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 contrast and emphasize lunar features like craters, mountains, and valleys. The lunar & starglow filter can block unwanted 589nm wavelengths of light, and improve observation of the night sky in urban and rural areas.
【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 & photography

No. 3

1.25" Telescope Eyepiece Filter Set Telescope Accessories Filters Kit with Storage Box for Enhancing Definition and Resolution in Lunar Planetary Observation (6 Color Filters)

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 resolution, reduce irradiation and lessen eye fatigue.
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.

SaleNo. 4

Celestron 94119-A 1.25 inch Moon Filter - Suitable for Lunar Observation, Extra Bright Planets or Terrestrial Viewing Over Sand or Snow, Black

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

SaleNo. 5

Celestron 94303 1.25 inch Eyepiece & Filter Kit - Includes 14 Pieces in Metal Foam-Lined Carry Case, Silver

ENHANCED VIEWING - Includes five 1.25" Plossl eyepieces (32mm, 17mm, 13mm, 8mm, 6mm) providing a range of magnification options for versatile astronomical observation.
INCREASED MAGNIFICATION - The included 2x Barlow lens doubles the magnification of each eyepiece, offering a wider range of viewing possibilities for detailed celestial study.
SUPERIOR IMAGE CLARITY - High-quality Plossl design ensures sharp, clear images with excellent contrast, enhancing your overall viewing experience of planets and deep-sky objects.
TARGETED OBSERVATION - Comes with six colored filters (#58A Green, #56 Light-Green, #25 Red, #21 Orange, #12 Deep Yellow, Neutral Density Moon Filter) to enhance specific details.
PROTECTED TRANSPORT - A padded aluminum carrying case is included, providing secure storage and easy transport for all components, keeping your eyepieces and filters safe.

No. 6

Telescope Eyepiece Filter Set, 6 pcs 1.25inch Colorful Telescope Filter Kit with Storage Box for Telescopes Eyepieces Default

This set contains 6 different color filters, each with its own function, can meet your different needs.
The filter is threaded and compatible with any 1.25 inch telescope and can be used individually or in stacks.
Easy to install and use, they help filter out unnecessary light and make you look clearer.
Made of high quality materials, portable and .
With portable shock proof storage box, easy to transport filter.

No. 7

SVBONY Telescope Filter 1.25 inches UHC Filter Astrophotography to Improve The Image Contrast Reduces Light Pollution (1.25 inch)

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

No. 8

Optolong LRGB Filter Set (2")

Fine-optically polishing for double-sides ensures accurate λ/4 wavefront and <30 seconds parallelism over the both surfaces
Ultrasonic wave cleaning substrate with purified water removes impurities and dust effectively
IRO source assisted coating for durability and resistance to scratching, as well as stability on CWL (central wavelength). No deviation from temperature change.
Constant stringent quality testing processes - Each filter is tested by spectrophotometer and laser interferometer testing spectrum and wavefront to ensure each filter is a high-quality product

No. 9

New Optolong Filter 2-inch L-Quad Enhance Filer Professional L-Quad Enhance Filter (L-QEF)

L-Quad Enhance Filter is a quad bandpass light pollution suppression filter for colour cameras. It effectively suppresses the transmission of light pollution wavelengths, especially light pollution generated by artificial lighting (including mercury and sodium lamps), as well as the effects of natural skylight-induced effects on the shot, thus effectively enhancing the contrast and details of the celestial bodies, and making the objects more distinct and stereoscopic. This filter provides better
▲Better suppression of starbursts; Higher contrast and more details of the celestial bodies; Better colour saturation; Better signal-to-noise ratio (SNR); ▲Near IR cut-off to 1000nm, reducing the effects of IR noise; ▲L-QEF has more than 90% transmittance of the nebula emission lines at H-Beta/OIII/H-Alpha/SII, with cut-off depth from OD2 to OD4, thus providing a significant increase in resistance to light pollution. L-QEF is good for night sky from Bortel 1 to Bortel 7 levels; (Bortel 8, Bortel

No. 10

SVBONY Telescope Filter 1.25 inches Variable Polarizing Filter for Astronomical Telescope Eyepiece

1.25 inch moon filter reduce the amount of light entering the eyepiece and increase the eyepiece contrast
The moon filter reduces the glare;allowing transmission of only 13 percent of the reflected ligh;which means you can see the surface more clearly and study the Moon in greater comfort
Allow for maximum contrast of lunar detail enhances the contrast of the moon and planets in photographic images
Neutral colored optical glass does not change the moon's natural color
Have a standard 1.25 inch filter thread (M28.5 x 0.6)
Finer control of the image brightness compared to a standard fixed-transmission telescope filter for optimal performance
Adjust the amount of light transmission from 1% to 80% by rotating the filter housing

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Last update on 2025-06-09 / Affiliate links / Images from Amazon Product Advertising API

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