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Filters

Items 1 - 25 of 80

Lumicon 1.25" Night Sky Hydrogen - Alpha (Ha) Filter - LF3085

SKU: LUM-LF3085
  • Filter Type: H-Alpha
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$55.00

Lumicon 82 mm Night Sky Hydrogen - Alpha (Ha) Filter - LF3115

SKU: LUM-LF3115
  • Filter Type: H-Alpha
  • Filter Size: 82 mm
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$450.00

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 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 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
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$2,495.00

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
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$249.00
Astronomik H-Alpha 12 nm CCD Clip Filter for Canon EOS R/RP Full Frame Mirrorless Cameras

Astronomik H-Alpha 12 nm CCD Filter - Canon EOS R XL Full Frame Clip - HA12-EOS-R-XL

SKU: ASF-HA12-EOS-R-XL
  • Filter Type: H-Alpha
  • Filter Size: EOS R/RP
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
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$329.95
Astronomik H-Alpha 6 nm CCD Clip Filter for Canon EOS R/RP Full Frame Mirrorless Cameras

Astronomik H-Alpha 6 nm CCD Filter - Canon EOS R XL Full Frame Clip - HA6-EOS-R-XL

SKU: ASF-HA6-EOS-R-XL
  • Filter Type: H-Alpha
  • Filter Size: EOS R/RP
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
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$519.95
Baader 1.25" 35 nm H-Alpha Filter

Baader 35 nm Midband H-Alpha CCD Filter - 1.25" Mounted - FHAL-1

SKU: BAD-FHAL-1
  • Filter Type: H-Alpha
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$109.00
Baader 2" Mounted 35 nm H-Alpha CCD Filter

Baader 35 nm Midband H-Alpha CCD Filter - 2" Mounted - FHAL-2

SKU: BAD-FHAL-2
  • Filter Type: H-Alpha
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$199.00
Baader Planetarium H-Alpha 7 nm Narrowband CCD Filter - 1.25"

Baader H-Alpha 7 nm Narrowband CCD Filter - 1.25" - FHALN-1

SKU: BAD-FHALN-1
  • Filter Type: H-Alpha
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$199.00
Baader Planetarium 2" H-alpha 7 nm Narrowband Filter

Baader H-Alpha 7 nm Narrowband CCD Filter - 2" Mounted - FHALN-2

SKU: BAD-FHALN-2
  • Filter Type: H-Alpha
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$309.00
Astronomik 1.25" Round Mounted H-Alpha 12 nm CCD Filter

Astronomik H-Alpha 12 nm CCD Filter - 1.25" Round Mounted - HA12-1

SKU: ASF-HA12-1
  • Filter Type: H-Alpha
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$129.95
Astronomik 2" Round Mounted H-Alpha 12 nm CCD Filter

Astronomik H-Alpha 12 nm CCD Filter - 2" Round Mounted - HA12-2

SKU: ASF-HA12-2
  • Filter Type: H-Alpha
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$289.95
Astronomik H-Alpha 12 nm EOS Clip Filter

Astronomik H-Alpha 12 nm EOS Clip Filter - HA12-EOS

SKU: ASF-HA12-EOS
  • Filter Type: H-Alpha
  • Filter Size: EOS APS Clip
  • Filter Shape: Round
  • Filter Insert Style: Clip-In
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$189.95
Ha Filter Installed in T-Ring on EOS Camera (camera not included)

Baader EOS Protective Wide T-Ring with 7nm H-Alpha Filter - DSLRT-HA

SKU: BAD-DSLRT-HA
  • Filter Type: H-Alpha
  • Filter Size: 50.4 mm
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$357.00
Astronomik 6 nm H-Alpha Filter in 1.25" Format

Astronomik H-Alpha 6 nm CCD Filter - 1.25" Round Mounted - HA6-1

SKU: ASF-HA6-1
  • Filter Type: H-Alpha
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$199.95
Optolong H-Alpha 7nm Filter - 1.25"

Optolong H-Alpha 7nm CCD Filter - 1.25" Mounted - HAL7-125

SKU: OTL-HAL7-125
  • Filter Type: H-Alpha
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$175.00

Optolong H-Alpha 7nm CCD Filter - 2" Mounted - HAL7-200

SKU: OTL-HAL7-200
  • Filter Type: H-Alpha
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$259.00

Optolong Night Sky H-Alpha Filter - 1.25" Mounted - NSHA-125

SKU: OTL-NSHA-125
  • Filter Type: H-Alpha
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$79.00

Optolong Night Sky H-Alpha Filter - 2" Mounted - NSHA-200

SKU: OTL-NSHA-200
  • Filter Type: H-Alpha
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$119.00
Optolong H-Alpha Unmounted Filter

Optolong H-Alpha 7nm CCD Filter - 31mm Unmounted - HAL7-31U

SKU: OTL-HAL7-31U
  • Filter Type: H-Alpha
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$190.00
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
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