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Items 1 - 25 of 78

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
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
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
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 $285.60
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 50.4 mm Round Unmounted H-alpha 7 nm Narrowband Filter

Baader H-Alpha 7 nm Narrowband CCD Filter - 50.4 mm Round Unmounted - FHALN-RD50

SKU: BAD-FHALN-RD50
  • Filter Type: H-Alpha
  • Filter Size: 50.4 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$354.00
Baader 50 mm Square Unmounted H-alpha 7 nm Narrowband Filter

Baader H-Alpha 7 nm Narrowband CCD Filter - 50 mm Square Unmounted - FHALN-SQ50

SKU: BAD-FHALN-SQ50
  • Filter Type: H-Alpha
  • Filter Size: 50 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$419.00
Baader 65 mm Square Unmounted H-alpha 7 nm Narrowband Filter

Baader H-Alpha 7 nm Narrowband CCD Filter - 65 mm Square Unmounted - FHALN-SQ65

SKU: BAD-FHALN-SQ65
  • Filter Type: H-Alpha
  • Filter Size: 65 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$523.00
Baader 50.4 mm Round Unmounted 35 nm H-Alpha CCD Filter

Baader 35 nm Midband H-Alpha CCD Filter - 50.4 mm Round Unmounted - FHAL-RD50

SKU: BAD-FHAL-RD50
  • Filter Type: H-Alpha
  • Filter Size: 50.4 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$214.00
Baader 50 mm Square Unmounted 35 nm H-Alpha CCD Filter

Baader 35 nm Midband H-Alpha CCD Filter - 50 mm Square Unmounted - FHAL-SQ50

SKU: BAD-FHAL-SQ50
  • Filter Type: H-Alpha
  • Filter Size: 50 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$264.00
Baader H-alpha High Speed f/2 CCD Filter

Baader f/2 High Speed H-Alpha CCD Filter - 1.25" Mounted - FHALHS-1

SKU: BAD-FHALHS-1
  • Filter Type: H-Alpha
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$257.00
Baader H-alpha High Speed f/2 CCD Filter

Baader f/2 High Speed H-Alpha CCD Filter - 2" Mounted - FHALHS-2

SKU: BAD-FHALHS-2
  • Filter Type: H-Alpha
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$389.00
Baader 2" Mounted 3.5 nm H-Alpha Enforced Narrowband Filter

Baader 3.5 nm H-Alpha Enforced Narrowband CCD Filter - 2" Mounted - FHALNU-2

SKU: BAD-FHALNU-2
  • Filter Type: H-Alpha
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$537.00
Baader 50.4 mm Round 3.5 nm H-Alpha Enforced Narrowband Filter

Baader 3.5 nm H-Alpha Enforced Narrowband CCD Filter - 50.4 mm Round Unmounted - FHALNU-RD50

SKU: BAD-FHALNU-RD50
  • Filter Type: H-Alpha
  • Filter Size: 50.4 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$582.00