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Are you ready for the total solar eclipse on April 8? Click to shop all solar gear!
Are you ready for the total solar eclipse on April 8? Click to shop all solar gear!

Eyepieces & Accessories

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  • 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 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...

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    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...

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    Original price $ 139.99 - Original price $ 139.99
    Original price
    $ 139.99
    $ 139.99 - $ 139.99
    Current price $ 139.99
  • 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...

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    Original price $ 179.99 - Original price $ 179.99
    Original price
    $ 179.99
    $ 179.99 - $ 179.99
    Current price $ 179.99
  • 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...

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    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
    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
  • 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
  • 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...

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    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...

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    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
  • Neutral Density Filter 2" ND 0.9
    Neutral Density Filter 2" ND 0.9
    Sold out
    Original price $ 59.99 - Original price $ 59.99
    Original price
    $ 59.99
    $ 59.99 - $ 59.99
    Current price $ 59.99

    Neutral Density Filter 2" 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 $ 59.99 - Original price $ 59.99
    Original price
    $ 59.99
    $ 59.99 - $ 59.99
    Current price $ 59.99
    Sold out
  • Nebula Filter UHC 2.0-inch
    Nebula Filter UHC 2.0-inch
    Sold out
    Original price $ 139.99 - Original price $ 139.99
    Original price
    $ 139.99
    $ 139.99 - $ 139.99
    Current price $ 139.99

    Nebula Filter UHC 2.0-inch

    Explore Scientific

    Explore Scientific Nebula Filter 2.0" UHC Range from 458nm to 508nm with peak at 488nm. Transmission 96.7% UHC - This is an ultra-high contrast nar...

    View full details
    Original price $ 139.99 - Original price $ 139.99
    Original price
    $ 139.99
    $ 139.99 - $ 139.99
    Current price $ 139.99
    Sold out