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Filters

3 Items
Astronomik 31 mm Round Mounted MC Clear Glass Filter

Astronomik MC Clear Glass Filter - 31 mm Round - C-31

SKU: ASF-C-31
  • Filter Type: Clear
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$49.95

Astrodon Clear Filter with UV-Blocking Only - 31 mm Unthreaded Insert - C2-31R

SKU: ASD-C2-31R
  • Filter Type: Clear
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$183.00
Astrodon ExoPlanet Light Curve Filter with Blue Blocking

Astrodon Exo-Planet Clear Filter with Blue Blocking - 31 mm Unmounted Insert - XOPBB-31R

SKU: ASD-XOPBB-31R
  • Filter Type: Clear
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$195.00