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Filters

5 Items

Astrodon 3 nm NII Narrowband Filter - 36 mm Round - NII3-36MR

SKU: ASD-NII3-36MR
  • Filter Type: NII
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$639.00
Astrodon Narrowband Filters

Astrodon 3 nm NII Narrowband Filter - 49.7 mm Round Unmounted - NII3-50R

SKU: ASD-NII3-50R
  • Filter Type: NII
  • Filter Size: 50 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$1,145.00
Astrodon Narrowband Filters

Astrodon 3 nm NII Narrowband Filter - 49.7 mm Square Unmounted - NII3-50S

SKU: ASD-NII3-50S
  • Filter Type: NII
  • Filter Size: 50 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$1,438.00
3 nm NII Narrowband Filter - 31 mm Unthreaded Insert

Astrodon 3 nm NII Narrowband Filter - 31 mm Unthreaded Insert - NII3-31R

SKU: ASD-NII3-31R
  • Filter Type: NII
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$574.00
Astrodon Narrowband Filters

Astrodon 3 nm NII Narrowband Filter - 1.25" Threaded Cell - NII3-27R

SKU: ASD-NII3-27R
  • Filter Type: NII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$564.00