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  • Sun Catcher Variable Large Aperture Solar Filter
    Sun Catcher Variable Large Aperture Solar Filter
    Original price $ 14.99 - Original price $ 34.99
    Original price
    $ 14.99 - $ 34.99
    $ 14.99 - $ 34.99
    Current price $ 14.99

    Sun Catcher Variable Large Aperture Solar Filter

    Explore Scientific

    NOTE: All Explore Scientific Solar Equipment is rated ISO12312–2 supplied by Thousand Oaks Optical and Approved for Direct Observation of the Sun 7...

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    Original price $ 14.99 - Original price $ 34.99
    Original price
    $ 14.99 - $ 34.99
    $ 14.99 - $ 34.99
    Current price $ 14.99
  • Full Aperture (SolarLite) Film Slip-On Solar Filter
    Original price $ 69.99 - Original price $ 69.99
    Original price
    $ 69.99
    $ 69.99 - $ 69.99
    Current price $ 69.99

    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 ...

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    Original price $ 69.99 - Original price $ 69.99
    Original price
    $ 69.99
    $ 69.99 - $ 69.99
    Current price $ 69.99
  • Neutral Density Filter 2" ND 0.9
    Neutral Density Filter 2" ND 0.9
    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...

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    Original price $ 59.99 - Original price $ 59.99
    Original price
    $ 59.99
    $ 59.99 - $ 59.99
    Current price $ 59.99
  • 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 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 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...

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    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 UHC 2.0-inch
    Nebula Filter UHC 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 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
  • 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...

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    Original price $ 169.99 - Original price $ 169.99
    Original price
    $ 169.99
    $ 169.99 - $ 169.99
    Current price $ 169.99
  • AstroZap - Baader Solar Filters
    AstroZap - Baader Solar Filters
    Original price $ 70.80 - Original price $ 180.00
    Original price
    $ 70.80 - $ 180.00
    $ 70.80 - $ 180.00
    Current price $ 70.80

    AstroZap - Baader Solar Filters

    Explore Scientific

    Features With AstroSolar™ the Sun appears in neutral white. Baader AstroSolar™ film Filter cell constructed from lightweight 18Ga. aluminum and p...

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    Original price $ 70.80 - Original price $ 180.00
    Original price
    $ 70.80 - $ 180.00
    $ 70.80 - $ 180.00
    Current price $ 70.80
  • AstroZap - Baader Solar Sheets
    Original price $ 33.60 - Original price $ 70.00
    Original price
    $ 33.60 - $ 70.00
    $ 33.60 - $ 70.00
    Current price $ 33.60

    AstroZap - Baader Solar Sheets

    Explore Scientific

    Description Make your own solar filter! Visual material includes instructions to build your own filter Baader Solar Material Size Choice: 177mm x...

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    Original price $ 33.60 - Original price $ 70.00
    Original price
    $ 33.60 - $ 70.00
    $ 33.60 - $ 70.00
    Current price $ 33.60
  • AstroZap Binocular Glass Solar Filters
    AstroZap Binocular Glass Solar Filters
    Original price $ 165.95 - Original price $ 226.95
    Original price
    $ 165.95 - $ 226.95
    $ 165.95 - $ 226.95
    Current price $ 165.95

    AstroZap Binocular Glass Solar Filters

    Astrozap

    Features These safe filters come in a pair for binoculars. An aluminum cell that is centered and secured to the end of the binoculars with a nylo...

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    Original price $ 165.95 - Original price $ 226.95
    Original price
    $ 165.95 - $ 226.95
    $ 165.95 - $ 226.95
    Current price $ 165.95
  • AstroZap Off Axis Glass Solar Filter
    Original price $ 195.95 - Original price $ 263.95
    Original price
    $ 195.95 - $ 263.95
    $ 195.95 - $ 263.95
    Current price $ 195.95

    AstroZap Off Axis Glass Solar Filter

    Astrozap

    Description These are safe off axis solar telescope filters. An off axis solar filter blocks light into the telescope by only allowing light throu...

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    Original price $ 195.95 - Original price $ 263.95
    Original price
    $ 195.95 - $ 263.95
    $ 195.95 - $ 263.95
    Current price $ 195.95
  • AstroZap Full Aperture Glass Solar Filter
    Original price $ 96.95 - Original price $ 260.95
    Original price
    $ 96.95 - $ 260.95
    $ 96.95 - $ 260.95
    Current price $ 96.95

    AstroZap Full Aperture Glass Solar Filter

    Astrozap

    Description These are safe full aperture (sometimes referred as clear aperture) solar filters. This means that it allows the most light possible i...

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    Original price $ 96.95 - Original price $ 260.95
    Original price
    $ 96.95 - $ 260.95
    $ 96.95 - $ 260.95
    Current price $ 96.95
  • OPTOLONG 2" L-Pro Deep-Sky Light Pollution Filter
    OPTOLONG 2" L-Pro Deep-Sky Light Pollution Filter
    Original price $ 199.00 - Original price $ 199.00
    Original price
    $ 199.00
    $ 199.00 - $ 199.00
    Current price $ 199.00

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

    Optolong

    The L-Pro broadband filter is the ideal choice for suppressing light pollution from artificial light and enables astrophotos of broadband emission ...

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    Original price $ 199.00 - Original price $ 199.00
    Original price
    $ 199.00
    $ 199.00 - $ 199.00
    Current price $ 199.00
  • OPTOLONG 1.25" L-Pro Deep-Sky Light Pollution Filter
    OPTOLONG 1.25" L-Pro Deep-Sky Light Pollution Filter
    Original price $ 149.00 - Original price $ 149.00
    Original price
    $ 149.00
    $ 149.00 - $ 149.00
    Current price $ 149.00

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

    Optolong

    The L-Pro broadband filter is the ideal choice for suppressing light pollution from artificial light and enables astrophotos of broadband emission ...

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    Original price $ 149.00 - Original price $ 149.00
    Original price
    $ 149.00
    $ 149.00 - $ 149.00
    Current price $ 149.00
  • OPTOLONG 2" L-eNhance Deep-Sky Light Pollution Filter
    OPTOLONG 2" L-eNhance Deep-Sky Light Pollution Filter
    Original price $ 229.00 - Original price $ 229.00
    Original price
    $ 229.00
    $ 229.00 - $ 229.00
    Current price $ 229.00

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

    Optolong

    The L-eNhance is a three-band filter and ideal for strong suppression of light pollution. It enables astrophotos of objects with narrow-band emissi...

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    Original price $ 229.00 - Original price $ 229.00
    Original price
    $ 229.00
    $ 229.00 - $ 229.00
    Current price $ 229.00
  • OPTOLONG 1.25" L-eNhance Deep-Sky Light Pollution Filter
    OPTOLONG 1.25" L-eNhance Deep-Sky Light Pollution Filter
    Original price $ 179.00 - Original price $ 179.00
    Original price
    $ 179.00
    $ 179.00 - $ 179.00
    Current price $ 179.00

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

    Optolong

    The L-eNhance is a three-band filter and ideal for strong suppression of light pollution. It enables astrophotos of objects with narrow-band emissi...

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    Original price $ 179.00 - Original price $ 179.00
    Original price
    $ 179.00
    $ 179.00 - $ 179.00
    Current price $ 179.00
  • 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...

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    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 1.25" Variable Polarizing Filter
    Explore Scientific 1.25" Variable Polarizing Filter
    Original price $ 58.99 - Original price $ 58.99
    Original price
    $ 58.99
    $ 58.99 - $ 58.99
    Current price $ 58.99

    Explore Scientific 1.25" 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 $ 58.99 - Original price $ 58.99
    Original price
    $ 58.99
    $ 58.99 - $ 58.99
    Current price $ 58.99
  • 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...

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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 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...

    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...

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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 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...

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    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"
    Sold out
    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...

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    Original price $ 49.99 - Original price $ 49.99
    Original price
    $ 49.99
    $ 49.99 - $ 49.99
    Current price $ 49.99
    Sold out