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Astrophotography Deal - Celestron 11" RASA - $1000 Off - Now Only $2595 - Limited Quantity On Hand

Imaging Filters

Items 1 - 25 of 595

Optolong OIII CCD 12nm Filter - 31mm Unmounted - OIIICCD12NM-31U

SKU: OTL-OIIICCD12NM-31U
  • Filter Type: OIII
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
$130.00 $99.95

Astrodon 3 nm H-Alpha Narrowband Filter - 49.7 mm Round Unmounted - HA3-50R

SKU: ASD-HA3-50R
  • Filter Type: H-Alpha
  • Filter Size: 50 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$1,145.00

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
Free shipping Free shipping
$501.00
Astrodon 3 nm OIII Narrowband Filter - 50 mm Round

Astrodon 3 nm OIII Narrowband Filter - 49.7 mm Round Unmounted - OIII3-50R

SKU: ASD-OIII3-50R
  • Filter Type: OIII
  • Filter Size: 50 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$1,145.00
Astrodon 3 nm SII Narrowband 49.7 mm Round Filter

Astrodon 3 nm SII Narrowband Filter - 49.7 mm Round Unmounted - SII3-50R

SKU: ASD-SII3-50R
  • Filter Type: SII
  • Filter Size: 50 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$1,145.00
Astrodon 3 nm SII Narrowband 49.7 mm Round Filter

Astrodon 3 nm SII Narrowband Filter - 65 mm Square Unmounted - SII3-65S

SKU: ASD-SII3-65S
  • Filter Type: SII
  • Filter Size: 65 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$2,495.00

Astrodon 3 nm H-Alpha Narrowband Filter - 65 mm Square Unmounted - HA3-65S

SKU: ASD-HA3-65S
  • Filter Type: H-Alpha
  • Filter Size: 65 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$2,495.00

Astrodon 3 nm OIII Narrowband Filter - 65 mm Square Unmounted - OIII3-65S

SKU: ASD-OIII3-65S
  • Filter Type: OIII
  • Filter Size: 65 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$2,495.00

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
Free shipping Free shipping
$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
Free shipping Free shipping
$501.00

ZWO 1.25" Duo-Band Filter - DB1.25

SKU: ZWO-DB1.25
  • Filter Type: Multi Narrow Bandpass
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$99.00

ZWO 2" Duo-Band Filter - DB2

SKU: ZWO-DB2
  • Filter Type: Multi Narrow Bandpass
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$179.00

Astronomik CLS Clip-Filter EOS R XL - 8H11G9

SKU: ASF-8H11G9
  • Filter Type: CLS/LPR
  • Filter Size: EOS R/RP
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
$199.95
Astronomik CLS CCD Filter - Canon EOS R XL Clip

Astronomik CLS CCD Canon EOS-R XL Clip Filter - CLSCCD-EOS-R-XL

SKU: ASF-CLSCCD-EOS-R-XL
  • Filter Type: CLS/LPR
  • Filter Size: EOS R/RP
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$239.95

ZWO 2" H-Alpha, SII, OIII 7nm Filter Set - NB7nmD2

SKU: ZWO-NB7NMD2
  • Filter Type: Narrowband Set
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$699.00

ZWO OIII 7nm 2" Filter - OIII7nmD2

SKU: ZWO-OIII7NMD2
  • Filter Type: OIII
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$249.00

ZWO SII 7nm 2" Filter - SII7nm2

SKU: ZWO-SII7NM2
  • Filter Type: SII
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$249.00

ZWO H-Alpha 7nm 2" Filter - Ha7nm2

SKU: ZWO-HA7NM2
  • Filter Type: H-alpha
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$249.00

ZWO LRGB 2" Filter Set - LRGB2

SKU: ZWO-LRGB2
  • Filter Type: RGB
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$299.00
Astronomik L-3 Luminance UV-IR Blocking Canon EOS R XL Full Frame Clip Filter

Astronomik L-1 UV-IR Blocking Filter - Canon EOS R XL Clip - L1-EOS-R-XL

SKU: ASF-L1-EOS-R-XL
  • Filter Type: UV/IR/Luminance
  • Filter Size: EOS R/RP
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$159.95
Astronomik L-2 Luminance Blocking Canon EOS R XL Full Frame Clip Filter

Astronomik L-2 UV-IR Blocking Filter - Canon EOS R XL Clip - L2-EOS-R-XL

SKU: ASF-L2-EOS-R-XL
  • Filter Type: UV/IR/Luminance
  • Filter Size: EOS R/RP
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$139.95