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Items 1 - 25 of 45

Astrodon 3 nm H-Alpha Narrowband Filter - 36 mm Round Unmounted - HA3-36R

SKU: ASD-HA3-36R
  • Filter Type: H-Alpha
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$748.00

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 OIII 3 nm Narrowband Filter - 36 mm Unthreaded Insert

Astrodon 3 nm OIII Narrowband Filter - 36 mm Round - OIII3-36R

SKU: ASD-OIII3-36R
  • Filter Type: OIII
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$748.00

Astrodon 3 nm SII Narrowband Filter - 36 mm Round - SII3-36R

SKU: ASD-SII3-36R
  • Filter Type: SII
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$748.00
Astrodon 36 mm Round H-Alpha 5 nm Narrowband Filter

Astrodon 5 nm H-Alpha Narrowband Filter - 36 mm Round - HA5-36R

SKU: ASD-HA5-36R
  • Filter Type: H-Alpha
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$501.00

Astrodon 5 nm OIII Narrowband Filter - 36 mm Round Unmounted - OIII5-36R

SKU: ASD-OIII5-36R
  • Filter Type: OIII
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$501.00

Astrodon 5 nm SII Narrowband Filter - 36 mm Round Unmounted - SII5-36R

SKU: ASD-SII5-36R
  • Filter Type: SII
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$501.00
Baader SII 8nm Narrowband Filter - 36 mm Round

Baader S-II 8 nm Narrowband CCD Filter - 36 mm Unmounted - FSIIN-RD36

SKU: BAD-FSIIN-RD36
  • Filter Type: SII
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$188.00
Baader OIII 8.5 nm Filter - 36 mm Unmounted

Baader OIII 8.5 nm Narrowband CCD Filter - 36 mm Unmounted - FOIIIN-RD36

SKU: BAD-FOIIIN-RD36
  • Filter Type: OIII
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$182.00
Baader 36 mm H-alpha 7 nm Narrowband Filter

Baader H-Alpha 7 nm Narrowband CCD Filter - 36 mm Unmounted - FHALN-RD36

SKU: BAD-FHALN-RD36
  • Filter Type: H-Alpha
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$195.00
Baader Clear IR-Blocked Filter - 36 mm Round Unmounted

Baader Clear (C) IR-Blocked Focusing Filter - 36 mm Unmounted

SKU: BAD-FC-RD36
  • Filter Type: Clear
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
$64.00
Astronomik 36 mm CLS-CCD Light Pollution Filter

Astronomik CLS CCD Light Pollution Filter - 36 mm Round - CLSCCD-36

SKU: ASF-CLSCCD-36
  • Filter Type: CLS/LPR
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$129.95
Astronomik 36 mm Round MC Clear Filter

Astronomik MC Clear Glass Filter - 36 mm Round - C-36

SKU: ASF-C-36
  • Filter Type: Clear
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$59.95

ZWO H-Alpha 7nm CCD Filter - 36mm - HA36

SKU: ZWO-HA36
  • Filter Type: H-Alpha
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$169.00 $152.10

ZWO SII 7nm Filter - 36mm - SII36

SKU: ZWO-SII36
  • Filter Type: SII
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$169.00 $152.10

ZWO OIII 7nm Filter - 36mm - OIII36

SKU: ZWO-OIII36
  • Filter Type: OIII
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$169.00 $152.10

Optolong OIII CCD 6.5nm Filter - 36mm Unmounted - OIIICCD65-36U

SKU: OTL-OIIICCD65-36U
  • Filter Type: OIII
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$195.00
Optolong SII Unmounted Filter

Optolong SII CCD 12nm Filter - 36mm Unmounted - SIICCD12-36U

SKU: OTL-SIICCD12-36U
  • Filter Type: SII
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$159.00 $127.00
Optolong SII Unmounted Filter

Optolong SII CCD 6.5nm Filter - 36mm Unmounted - SIICCD65-36U

SKU: OTL-SIICCD65-36U
  • Filter Type: SII
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$199.00
Optolong H-Alpha Unmounted Filter

Optolong H-Alpha 7nm CCD Filter - 36mm Unmounted - HAL7-36U

SKU: OTL-HAL7-36U
  • Filter Type: H-Alpha
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$193.00
Optolong UVIR Cut Unmounted Filter

Optolong UV-IR Cut Filter - 36mm Unmounted - UVIR-36U

SKU: OTL-UVIR-36U
  • Filter Type: UV/IR/Luminance
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$56.00
Astronomik 36 mm Round UHC Filter

Astronomik UHC Filter - 36 mm Round - UHC-36

SKU: ASF-UHC-36
  • Filter Type: UHC
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$129.95
Astronomik 12 nm O-III CCD Filter - 36 mm Round

Astronomik OIII 12 nm CCD Filter - 36 mm Round - OIIICCD-36

SKU: ASF-OIIICCD-36
  • Filter Type: OIII
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$189.95
Astronomik 36 mm Round OIII 6 nm CCD Filter

Astronomik OIII 6 nm CCD Filter - 36 mm Round - OIIICCD6-36

SKU: ASF-OIIICCD6-36
  • Filter Type: OIII
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$289.95
Astronomik SII 12 nm CCD Filter - 36 mm Round

Astronomik SII 12 nm CCD Filter - 36 mm - SII-36

SKU: ASF-SII-36
  • Filter Type: SII
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$189.95