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  1. LP-1 Broadband for 2" eyepieces

    $159.50
    This 48mm filter for 2" eyepieces has a moderately wide 560 Ångstrom passband for use in slight to moderately light polluted areas. 
  2. Antares 2" #ND9 13% Transmission neutral density grey Moon filter

    $19.95
    This Antares 2" 13% transmission neutral gray filter reduces the brightness and glare that can mask low contrast details during lunar and planetary observing . . .
  3. Optolong L-Pro 2" Light Pollution Filter

    $199.00
    The Optolong 2" L-Pro light pollution filter is a great way to suppress the issues caused by all these lights that are all around us. This mounted filter can be used visually or photographically.
  4. Optolong SII 6.5nm 2" filter

    $250.00
    The SII 6.5nm from Optolong works fantastically as a photographic filter, but also works for viewing faint nebula.
  5. LP-4 H-Beta Line band filter for 2" eyepieces

    $159.50
    Very steep cut-off slopes and a narrow passband make this 2" Thousand Oaks H-Beta filter ideal for viewing certain very faint emission nebulas like the California, Cocoon, and Horsehead.
  6. Lunt 2" polarizing filter

    $74.50
    The 2" Lunt PF-1 polarizing filter is designed for use with 2" eyepieces in the Lunt LS2HW Solar Wedge to control the image brightness during white light visual observing.
  7. Optolong Oxygen OIII 6.5nm 2" filter

    $255.00
    Take your imaging up a notch with the improved OIII filter from Optolong.
  8. 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.
  9. LP-2 Narrowband for 2" eyepieces

    $159.50
    This 48mm narrowband filter has a 280 Ångstrom passband for visually observing emission nebulas from heavily light-polluted areas using medium and long focal length 2" eyepieces. The filter has excellent transmission at the visually important emission lines of hydrogen-beta at 4861Å and doubly ionized oxygen at 4959Å and 5007Å. 
  10. 48mm UHC narrowband filter for 2" eyepieces

    $124.95
    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 . . .
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