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  1. 48mm UHC narrowband filter for 2" eyepieces 48mm UHC narrowband filter for 2

    48mm UHC narrowband filter for 2" eyepieces

    $124.95
    2 Review(s)
    This 2" Celestron ultra high contrast (UHC) light pollution filter blocks out most unwanted light pollution, making it easier to pick out faint nebulas from suburban and dark sky observing sites alike . . .
  2. 48mm Oxygen III line band filter for 2" eyepieces 48mm Oxygen III line band filter for 2

    48mm Oxygen III line band filter for 2" eyepieces

    $139.95
    1 Review(s)
    This 2" Celestron Oxygen III light pollution filter has a very narrow passband that blocks out almost all unwanted light pollution, making it a good choice for nebula observing from city and suburban locations . . .
  3. Optolong Oxygen OIII 6.5nm 2" filter Optolong Oxygen OIII 6.5nm 2

    Optolong Oxygen OIII 6.5nm 2" filter

    $229.00
    Take your imaging up a notch with the improved OIII filter from Optolong.
  4. Optolong SHO 2" Filter Set with H-Alpha, SII, and OIII Filters Optolong SHO 2

    Optolong SHO 2" Filter Set with H-Alpha, SII, and OIII Filters

    $720.00
    Add this set to your LRBG set and get the most out of your imaging.
  5. Optolong L-eNhance 2" Light Pollution Tri-Band Imaging Filter Optolong L-eNhance 2

    Optolong L-eNhance 2" Light Pollution Tri-Band Imaging Filter

    $229.00
    Take back the night sky by using the Optolong L-eNhance 2" Tri-band filter when imaging. A convenient and economic way to eNhance your nightly passion.
  6. Optolong LRGB 2" Imaging Mounted Filter Set Optolong LRGB 2

    Optolong LRGB 2" Imaging Mounted Filter Set

    $359.00
    Look no further for an LRGB set for your 2" filter wheel or drawer.
  7. Optolong H-Alpha 7nm 2" filter Optolong H-Alpha 7nm 2

    Optolong H-Alpha 7nm 2" filter

    $229.00
    The H-Alpha 7nm from Optolong works fantastically as a photographic filter, but also works for viewing faint emission nebula.
  8. Optolong SHO-3nm 2" Filter Set with H-Alpha, SII, and OIII Filters Optolong SHO-3nm 2

    Optolong SHO-3nm 2" Filter Set with H-Alpha, SII, and OIII Filters

    $1,199.00
    Add this 3nm set to your LRBG set and get the most out of your imaging.
  9. Optolong L-eXtreme 2" Light Pollution Dual Passband Imaging Filter 7nm Ha/OIII Optolong L-eXtreme 2

    Optolong L-eXtreme 2" Light Pollution Dual Passband Imaging Filter 7nm Ha/OIII

    $309.00

    Take back the night sky by using the Optolong L-eXtreme 2" Dual Passband filter when imaging. Take your backyard imaging to places you never thought possible.

  10. Optolong LRGB + SHO 2" Imaging Mounted 7 Filter Set Optolong LRGB + SHO 2

    Optolong LRGB + SHO 2" Imaging Mounted 7 Filter Set

    $1,009.00
    This is the complete set of imaging filters to take your session to a higher level.
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