Best Eyepiece Filters

Orion 5660 1.25-Inch SkyGlow Broadband Eyepiece Filter

  • The SkyGlow filter enhances deep-sky observations in moderately light-polluted skies.
  • Broadband filter blocks the most common wavelengths of light pollution for increased contrast and better views.
  • SkyGlow eyepiece filters improve views of nebulas, galaxies as well as open and globular star clusters.
  • 1.25" filter with metal filter cell construction compatible with all 1.25" Orion telescope eyepieces and filter-threaded 1.25" accessories.
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Celestron R/A Single Axis Motor Drive for The AstroMaster Telescope & PowerSeeker Telescope Accessory Kit - Includes 2X 1.25%22 Kellner Eyepieces, 3 Colored Telescope Filters, and Cleaning Cloth

  • Product 1: Install this motor drive on your AstroMaster or PowerSeeker equatorially mounted telescope and start tracking the stars!.
  • Product 1: Right Ascension tracking compensates for the Earth’s rotation.
  • Product 1: Can be used in the Northern or Southern Hemisphere.
  • Product 1: For Celestron CG-2 and CG-3 equatorial mounts.
  • Product 2: 15 mm Kellner Eyepiece.9 mm Kellner Eyepiece.#80A Blue Planetary Filter.#25 Red Planetary Filter. Moon Filter. Micro Fiber Cloth.Plastic Carrying Case with Foam.
  • Product 2: Fully-coated eyepieces for higher magnification.Planetary filters enhance details on Jupiter, Saturn, Mars and Venus.
  • Product 2: Moon filter allows detailed views of the Moon especially during the brighter phases.
  • Product 2: Carrying case fits all of the included items in the die-cut foam interior.
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Orion 8880 1.25-Inch Dielectric Mirror Star Diagonal

  • 90 diagonal features sophisticated, lab-tested dielectric coatings that boast an astounding 99 percent reflectivity.
  • Dielectric mirror coatings are more durable and more reflective than enhanced aluminum coatings.
  • Diagonal provides a comfortable 90-degree viewing orientation when observing the night sky through a refractor, Maksutov-Cassegrain (Mak-Cass) or Schmidt-Cassegrain telescope.
  • Machined and anodized aluminum housing features machine-threaded baffles for optimized contrast.
  • 1.25" nosepiece barrel is threaded to accept like-sized Orion eyepiece filters.
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Dielectric Star Diagonal 1.25 with Twist Lock

  • Enjoy better views through your telescope with this premium diagonal featuring diffraction-limited optics and dielectric coatings.
  • Provides a 90° viewing angle, perfect for more comfortable viewing through refractor and cassegrain-type telescopes.
  • 58 layers of dielectric coatings provide an over 99% reflective surface, ensuring the maximum amount of light collected by the telescope reaches the....
  • Twist-lock keeps the eyepiece centered in the diagonal to provide better optical alignment.
  • Accepts standard eyepieces, Barlow lenses, threaded filters, and other accessories with a 1. 25” Barrel.
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SVBONY SV132 Telescope Filter, 2 inches H-Beta Narrowband Filter, 25nm Visual Nebulosity Eyepiece Filter, for Horsehead Nebula California and Cocoon Nebulae in Dark Skies

  • Mainly aimed at the 486nm (blue) line spectrum nebula.
  • filters out the interference of other light.
  • the Horsehead Nebula can be clearly seen.
  • filter with metal mount 2" filter threads.
  • threaded to fit 2" eyepieces and threaded diagonal barrels.
  • needs to be observed with a large-aperture telescope.
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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.
  • 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.
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Gosky 1.25 Inch Light Pollution Filter for Telescope

  • Improve the visibility of deep sky objects by blocking out the mercury vapor, sodium vapor, and other such emission lines from man-made or natural sources which contribute to light pollution.
  • Improves contrast on reddish planetary detail. Works well in telescopes of all apertures.
  • The filter will fit all standard sized 1.25" eyepieces and accessories. Can be threaded on both sides for stacking with other filters if necessary.
  • Comes with sturdy plastic case-proect the eyepiece from dust and moisture.
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SVBONY Telescope Filter 1.25 inches Planetary Filter for Astronomy Telescope Eyepiece Increase Contrast and Reduce Light Pollution for Lunar Planetary Observation and Astrophotography

  • 1.25" moon and skyglow filter is a multi band pass filter transmitting a high percentage of light in the visual spectrum.
  • the filter enhances contrast when observing brighter objects including the moon and planets.
  • Telescope eyepiece cutting light pollution.
  • the filter has a mild effect of darkening the background of the night sky so that the fainter objects are more clearly seen contrasted against the blackness of space.
  • The filter effectively filters out selective wavelengths of low pressure sodium and other man made sources typically used in street lighting.
  • it enhances the views of deep sky objects by increasing the contrast of these objects against the background sky.
  • Premium quality metal rim and thread with blue glass lens.
  • the filter will fit all standard sized 1.25" eyepieces and accessories.
  • it is mounted in a nicely anodized housing.
  • Standard filter thread for any 1.25” telescope eyepiece and other accessory.
  • comes with a plastic box to keep it safe and clean when not in use.
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SOLOMARK 1.25 Telescope Eyepiece K20mm Telescopes Lens Fully Coated Standard Astronomy Filters Threads

  • Threaded for standard 1.25inch astronomy filters and barlow lens.
  • K20mm eyepiece gives the wide viewing field along with extra sharpness and long eye relief.
  • Fully multi-coated lens increases light permeability for sharp images.
  • Multi-element design delivers sharp images with good color correction and contrast.
  • Black anodized aluminum housing eliminate light scattering and contrast.
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Celestron 90° Dielectric Star Mirror Diagonal with Twist Lock 1.25

  • Enjoy better views through your telescope with this premium diagonal featuring diffraction-limited optics and dielectric coatings.
  • Provides a 90° viewing angle, perfect for more comfortable viewing through refractor and Cassegrain-type telescopes.
  • 58 layers of dielectric coatings provide an over 99% reflective surface, ensuring the maximum amount of light collected by the telescope reaches the....
  • Twist-lock keeps the eyepiece centered in the diagonal to provide better optical alignment.
  • Accepts standard eyepieces, Barlow lenses, threaded filters, and other accessories with a 1.25” barrel.
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