Skip to content
We are seeking images of the April 8 solar eclipse to publish! Click here to submit yours now!
Click to submit your images of the April 8 solar eclipse!

Filters

Also Available on Amazon

  • Full Aperture (SolarLite) Film Slip-On Solar Filter
    Save up to $ 37.01 Save $ 0.00
    Original price $ 67.00 - Original price $ 87.00
    Original price $ 67.00 - Original price $ 87.00
    Original price $ 67.00
    Current price $ 49.99
    $ 49.99 - $ 49.99
    Current price $ 49.99

    Full Aperture (SolarLite) Film Slip-On Solar Filter

    Thousand Oaks Optical

    Description View sunspots and granulation of the surface of the Sun, while protecting both your telescope optics and your eyes with Thousand Oaks ...

    View full details
    Original price $ 67.00 - Original price $ 87.00
    Original price $ 67.00 - Original price $ 87.00
    Original price $ 67.00
    Current price $ 49.99
    $ 49.99 - $ 49.99
    Current price $ 49.99
    Save up to $ 37.01 Save $ 0.00
  • Nebula Filter CLS 2.0-inch
    Nebula Filter CLS 2.0-inch
    Original price $ 119.99 - Original price $ 119.99
    Original price
    $ 119.99
    $ 119.99 - $ 119.99
    Current price $ 119.99

    Nebula Filter CLS 2.0-inch

    Explore Scientific

    Explore Scientific Nebula Filter 1.25" CLS Range from 436nm to 536nm with peak at 488nm. Transmission 98.3% This is a general-purpose light-pollut...

    View full details
    Original price $ 119.99 - Original price $ 119.99
    Original price
    $ 119.99
    $ 119.99 - $ 119.99
    Current price $ 119.99
  • Nebula Filter Oxygen III 2.0-inch
    Nebula Filter Oxygen III 2.0-inch
    Original price $ 139.99 - Original price $ 139.99
    Original price
    $ 139.99
    $ 139.99 - $ 139.99
    Current price $ 139.99

    Nebula Filter Oxygen III 2.0-inch

    Explore Scientific

    Explore Scientific Nebula Filter 1.25" O-III Range from 483nm to 511nm with peak at 496nm. Transmission 96.7% Oxygen III - This is the highest cont...

    View full details
    Original price $ 139.99 - Original price $ 139.99
    Original price
    $ 139.99
    $ 139.99 - $ 139.99
    Current price $ 139.99
  • Nebula Filter UHC 1.25-inch
    Nebula Filter UHC 1.25-inch
    Original price $ 109.99 - Original price $ 109.99
    Original price
    $ 109.99
    $ 109.99 - $ 109.99
    Current price $ 109.99

    Nebula Filter UHC 1.25-inch

    Explore Scientific

    Explore Scientific Nebula Filter 1.25" UHC Range from 458nm to 508nm with peak at 488nm. Transmission 96.7% UHC - This is an ultra-high contrast na...

    View full details
    Original price $ 109.99 - Original price $ 109.99
    Original price
    $ 109.99
    $ 109.99 - $ 109.99
    Current price $ 109.99
  • Nebula Filter Oxygen III 1.25-inch
    Nebula Filter Oxygen III 1.25-inch
    Original price $ 109.99 - Original price $ 109.99
    Original price
    $ 109.99
    $ 109.99 - $ 109.99
    Current price $ 109.99

    Nebula Filter Oxygen III 1.25-inch

    Explore Scientific

    Explore Scientific Nebula Filter 1.25" O-III Range from 483nm to 511nm with peak at 496nm. Transmission 96.7% Oxygen III - This is the highest cont...

    View full details
    Original price $ 109.99 - Original price $ 109.99
    Original price
    $ 109.99
    $ 109.99 - $ 109.99
    Current price $ 109.99
  • Nebula Filter H-Beta 1.25-inch
    Nebula Filter H-Beta 1.25-inch
    Original price $ 129.99 - Original price $ 129.99
    Original price
    $ 129.99
    $ 129.99 - $ 129.99
    Current price $ 129.99

    Nebula Filter H-Beta 1.25-inch

    Explore Scientific

    Explore Scientific Nebula Filter 1.25" H-Beta Range from 478nm to 496nm with peak at 489nm. Transmission 94.5% H-Beta - Hydrogen is the most abunda...

    View full details
    Original price $ 129.99 - Original price $ 129.99
    Original price
    $ 129.99
    $ 129.99 - $ 129.99
    Current price $ 129.99
  • Neutral Density Filter 1.25" ND 0.9
    Neutral Density Filter 1.25" ND 0.9
    Original price $ 49.99 - Original price $ 49.99
    Original price
    $ 49.99
    $ 49.99 - $ 49.99
    Current price $ 49.99

    Neutral Density Filter 1.25" ND 0.9

    Explore Scientific

    The neutral density filter transmits light uniformly across the entire visual spectrum. It serves as an excellent filter to reduce glare and irradi...

    View full details
    Original price $ 49.99 - Original price $ 49.99
    Original price
    $ 49.99
    $ 49.99 - $ 49.99
    Current price $ 49.99
  • Nebula Filter H-Beta 2.0-inch
    Nebula Filter H-Beta 2.0-inch
    Original price $ 179.99 - Original price $ 179.99
    Original price
    $ 179.99
    $ 179.99 - $ 179.99
    Current price $ 179.99

    Nebula Filter H-Beta 2.0-inch

    Explore Scientific

    Explore Scientific Nebula Filter 1.25" H-Beta Range from 478nm to 496nm with peak at 489nm. Transmission 94.5% H-Beta - Hydrogen is the most abunda...

    View full details
    Original price $ 179.99 - Original price $ 179.99
    Original price
    $ 179.99
    $ 179.99 - $ 179.99
    Current price $ 179.99
  • Nebula Filter CLS 1.25-inch
    Nebula Filter CLS 1.25-inch
    Original price $ 109.99 - Original price $ 109.99
    Original price
    $ 109.99
    $ 109.99 - $ 109.99
    Current price $ 109.99

    Nebula Filter CLS 1.25-inch

    Explore Scientific

    Explore Scientific Nebula Filter 1.25" CLS Range from 436nm to 536nm with peak at 488nm. Transmission 98.3% This is a general-purpose light-polluti...

    View full details
    Original price $ 109.99 - Original price $ 109.99
    Original price
    $ 109.99
    $ 109.99 - $ 109.99
    Current price $ 109.99
  • Explore Scientific 2" Variable Polarizing Filter
    Explore Scientific 2" Variable Polarizing Filter
    Original price $ 169.99 - Original price $ 169.99
    Original price
    $ 169.99
    $ 169.99 - $ 169.99
    Current price $ 169.99

    Explore Scientific 2" Variable Polarizing Filter

    Explore Scientific

    Features Variable polarizing filter Individually adjustable image brightness Made from highly parallel optical glass Black anodized aluminum hous...

    View full details
    Original price $ 169.99 - Original price $ 169.99
    Original price
    $ 169.99
    $ 169.99 - $ 169.99
    Current price $ 169.99
  • OPTOLONG 2" L-eXtreme Deep-Sky Light Pollution Filter
    OPTOLONG 2" L-eXtreme Deep-Sky Light Pollution Filter
    Original price $ 309.00 - Original price $ 309.00
    Original price
    $ 309.00
    $ 309.00 - $ 309.00
    Current price $ 309.00

    OPTOLONG 2" L-eXtreme Deep-Sky Light Pollution Filter

    Optolong

    The L-eXtreme is a two-band filter and the ideal choice for strong suppression of light pollution. It enables astrophotos of objects with narrow-ba...

    View full details
    Original price $ 309.00 - Original price $ 309.00
    Original price
    $ 309.00
    $ 309.00 - $ 309.00
    Current price $ 309.00
  • OPTOLONG 1.25" L-eXtreme Deep-Sky Light Pollution Filter
    OPTOLONG 1.25" L-eXtreme Deep-Sky Light Pollution Filter
    Original price $ 239.00 - Original price $ 239.00
    Original price
    $ 239.00
    $ 239.00 - $ 239.00
    Current price $ 239.00

    OPTOLONG 1.25" L-eXtreme Deep-Sky Light Pollution Filter

    Optolong

    The L-eXtreme is a two-band filter and the ideal choice for strong suppression of light pollution. It enables astrophotos of objects with narrow-ba...

    View full details
    Original price $ 239.00 - Original price $ 239.00
    Original price
    $ 239.00
    $ 239.00 - $ 239.00
    Current price $ 239.00
  • Explore Scientific Dark-Sky Filter 77mm Slim
    Explore Scientific Dark-Sky Filter 77mm Slim
    Original price $ 149.99 - Original price $ 149.99
    Original price
    $ 149.99
    $ 149.99 - $ 149.99
    Current price $ 149.99

    Explore Scientific Dark-Sky Filter 77mm Slim

    Explore Scientific

    Features Dark-Sky filter Contrast increase in aurora & deep-sky photography Reduction of stray light from street lights, for example Wide-ang...

    View full details
    Original price $ 149.99 - Original price $ 149.99
    Original price
    $ 149.99
    $ 149.99 - $ 149.99
    Current price $ 149.99
  • Nebula Filter Oxygen III 1.25-inch 6.5nm
    Nebula Filter Oxygen III 1.25-inch 6.5nm
    Original price $ 158.99 - Original price $ 158.99
    Original price
    $ 158.99
    $ 158.99 - $ 158.99
    Current price $ 158.99

    Nebula Filter Oxygen III 1.25-inch 6.5nm

    Explore Scientific

    Features High quality Explore Scientific O-III filter Let only the oxygen emission lines "through" Absorbs all other emission lines Absorbs almo...

    View full details
    Original price $ 158.99 - Original price $ 158.99
    Original price
    $ 158.99
    $ 158.99 - $ 158.99
    Current price $ 158.99
  • Nebula Filter S-II 1.25-inch 12nm
    Nebula Filter S-II 1.25-inch 12nm
    Original price $ 149.99 - Original price $ 149.99
    Original price
    $ 149.99
    $ 149.99 - $ 149.99
    Current price $ 149.99

    Nebula Filter S-II 1.25-inch 12nm

    Explore Scientific

    Features High quality Explore Scientific S-II filter Absorbs all other emission lines Absorbs almost all of the artificial light Passband bandwid...

    View full details
    Original price $ 149.99 - Original price $ 149.99
    Original price
    $ 149.99
    $ 149.99 - $ 149.99
    Current price $ 149.99
  • Nebula Filter S-II 1.25-inch 6.5nm
    Nebula Filter S-II 1.25-inch 6.5nm
    Original price $ 158.99 - Original price $ 158.99
    Original price
    $ 158.99
    $ 158.99 - $ 158.99
    Current price $ 158.99

    Nebula Filter S-II 1.25-inch 6.5nm

    Explore Scientific

    Features High quality Explore Scientific S-II filter Absorbs all other emission lines Absorbs almost all of the artificial light Passband bandwid...

    View full details
    Original price $ 158.99 - Original price $ 158.99
    Original price
    $ 158.99
    $ 158.99 - $ 158.99
    Current price $ 158.99
  • Nebula Filter H-Alpha 1.25-inch 12nm
    Nebula Filter H-Alpha 1.25-inch 12nm
    Original price $ 158.99 - Original price $ 158.99
    Original price
    $ 158.99
    $ 158.99 - $ 158.99
    Current price $ 158.99

    Nebula Filter H-Alpha 1.25-inch 12nm

    Explore Scientific

    Features High quality Explore Scientific H-Alpha filter Lets only the emission lines of hydrogen "through" Absorbs almost all of the artificial l...

    View full details
    Original price $ 158.99 - Original price $ 158.99
    Original price
    $ 158.99
    $ 158.99 - $ 158.99
    Current price $ 158.99
  • Nebula Filter H-Alpha 1.25-inch 7nm
    Nebula Filter H-Alpha 1.25-inch 7nm
    Original price $ 174.99 - Original price $ 174.99
    Original price
    $ 174.99
    $ 174.99 - $ 174.99
    Current price $ 174.99

    Nebula Filter H-Alpha 1.25-inch 7nm

    Explore Scientific

    Features High quality Explore Scientific H-Alpha filter Lets only the emission lines of hydrogen "through" Absorbs almost all of the artificial l...

    View full details
    Original price $ 174.99 - Original price $ 174.99
    Original price
    $ 174.99
    $ 174.99 - $ 174.99
    Current price $ 174.99
  • Nebula Filter Oxygen III 2-inch 6.5nm
    Nebula Filter Oxygen III 2-inch 6.5nm
    Original price $ 249.99 - Original price $ 249.99
    Original price
    $ 249.99
    $ 249.99 - $ 249.99
    Current price $ 249.99

    Nebula Filter Oxygen III 2-inch 6.5nm

    Explore Scientific

    Features High quality Explore Scientific O-III filter Let only the oxygen emission lines "through" Absorbs all other emission lines Absorbs almo...

    View full details
    Original price $ 249.99 - Original price $ 249.99
    Original price
    $ 249.99
    $ 249.99 - $ 249.99
    Current price $ 249.99
  • Nebula Filter S-II 2-inch 12nm
    Nebula Filter S-II 2-inch 12nm
    Original price $ 209.99 - Original price $ 209.99
    Original price
    $ 209.99
    $ 209.99 - $ 209.99
    Current price $ 209.99

    Nebula Filter S-II 2-inch 12nm

    Explore Scientific

    Features High quality Explore Scientific S-II filter Absorbs all other emission lines Absorbs almost all of the artificial light Passband bandwid...

    View full details
    Original price $ 209.99 - Original price $ 209.99
    Original price
    $ 209.99
    $ 209.99 - $ 209.99
    Current price $ 209.99
  • Nebula Filter S-II 2-inch 6.5nm
    Nebula Filter S-II 2-inch 6.5nm
    Original price $ 249.99 - Original price $ 249.99
    Original price
    $ 249.99
    $ 249.99 - $ 249.99
    Current price $ 249.99

    Nebula Filter S-II 2-inch 6.5nm

    Explore Scientific

    Features High quality Explore Scientific S-II filter Absorbs all other emission lines Absorbs almost all of the artificial light Passband bandwid...

    View full details
    Original price $ 249.99 - Original price $ 249.99
    Original price
    $ 249.99
    $ 249.99 - $ 249.99
    Current price $ 249.99
  • Nebula Filter H-Alpha 2-inch 12nm
    Nebula Filter H-Alpha 2-inch 12nm
    Original price $ 198.99 - Original price $ 198.99
    Original price
    $ 198.99
    $ 198.99 - $ 198.99
    Current price $ 198.99

    Nebula Filter H-Alpha 2-inch 12nm

    Explore Scientific

    Features High quality Explore Scientific H-Alpha filter Lets only the emission lines of hydrogen "through" Absorbs almost all of the artificial l...

    View full details
    Original price $ 198.99 - Original price $ 198.99
    Original price
    $ 198.99
    $ 198.99 - $ 198.99
    Current price $ 198.99
  • Nebula Filter H-Alpha 2-inch 7nm
    Nebula Filter H-Alpha 2-inch 7nm
    Original price $ 258.99 - Original price $ 258.99
    Original price
    $ 258.99
    $ 258.99 - $ 258.99
    Current price $ 258.99

    Nebula Filter H-Alpha 2-inch 7nm

    Explore Scientific

    Features High quality Explore Scientific H-Alpha filter Lets only the emission lines of hydrogen "through" Absorbs almost all of the artificial l...

    View full details
    Original price $ 258.99 - Original price $ 258.99
    Original price
    $ 258.99
    $ 258.99 - $ 258.99
    Current price $ 258.99
  • Bresser Single Polarizing Filter 1.25"
    Original price $ 49.99 - Original price $ 49.99
    Original price
    $ 49.99
    $ 49.99 - $ 49.99
    Current price $ 49.99

    Bresser Single Polarizing Filter 1.25"

    Bresser

    Features 1.25 "linear polarization filter Socket with 1.25 "filter thread Also suitable for Lunt Herschel wedges Description Simple linear 1.25...

    View full details
    Original price $ 49.99 - Original price $ 49.99
    Original price
    $ 49.99
    $ 49.99 - $ 49.99
    Current price $ 49.99