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Deep Sky Filters

Items 1 - 25 of 56

Orion Oxygen III Nebula 1.25" Filter - 05581

SKU: ORI-05581
  • Filter Type: OIII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$99.99

Orion Hydrogen-Beta Nebula 1.25" Filter - 05583

SKU: ORI-05583
  • Filter Type: H-Beta
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$99.99

Orion Ultrablock Narrowband Light Pollution Reduction Filter 1.25" - 05654

SKU: ORI-05654
  • Filter Type: CLS/LPR
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$79.99

Orion SkyGlow Broadband Light Pollution Reduction Filter 1.25" - 05660

SKU: ORI-05660
  • Filter Type: CLS/LPR
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$49.99
Celestron OIII Narrowband Filter - 1.25"

Celestron Oxygen III (OIII) Narrowband 1.25" Filter - 93623

SKU: CEL-93623
  • Filter Type: OIII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$98.95

Celestron 1.25" Ultra High Contrast (UHC) Light Pollution Reduction Filter - 94123

SKU: CEL-94123
  • Filter Type: CLS/LPR
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$71.95

Lumicon Deep Sky 1.25" Filter - LF3010

SKU: LUM-LF3010
  • Filter Type: Nebula/Broadband
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$118.00
Lumicon 1.25-inch ultra high contrast (UHC) Gen3 filter

Lumicon 1.25-inch Ultra High Contrast (UHC) Gen3 Filter - LF3025

SKU: LUM-LF3025
  • Filter Type: UHC
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$100.00
Lumicon 1.25" OIII Filter

Lumicon Gen 3 OIII Oxygen III Filter - 1.25" - LF3040

SKU: LUM-LF3040
  • Filter Type: OIII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$100.00

Lumicon 1.25" Hydrogen Beta (H-Beta) Filter - LF3055

SKU: LUM-LF3055
  • Filter Type: H-Beta
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$100.00

Lumicon 1.25" Comet Filter - LF3070

SKU: LUM-LF3070
  • Filter Type: Comet
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$118.00

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
Baader Planetarium 1.25" Visual OIII Nebula Filter

Baader Visual OIII Nebula Filter - 1.25" - FOIII-1

SKU: BAD-FOIII-1
  • Filter Type: OIII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$109.00
Baader 1.25" UHC-S Nebula Filter with L Booster

Baader UHC-S Nebula Filter - L Booster - 1.25" Mounted - FUHC-1

SKU: BAD-FUHC-1
  • Filter Type: UHC
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$89.00

Thousand Oaks LP-1 Broadband Nebula Filter - 1.25" - LP-125

SKU: TOO-LP-125
  • Filter Type: Nebula/Broadband
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$89.00

Thousand Oaks LP-2 Narrowband Nebula Filter - 1.25" - LP-225

SKU: TOO-LP-225
  • Filter Type: CLS/LPR
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$89.00

Thousand Oaks LP-3 Nebula Filter Oxygen III - 1.25" - LP-325

SKU: TOO-LP-325
  • Filter Type: OIII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$89.00

Thousand Oaks LP-4 H-Beta Nebula Filter - 1.25" - LP-425

SKU: TOO-LP-425
  • Filter Type: H-Beta
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$89.00
Baader Planetarium SII 8 nm Narrowband CCD Filter - 1.25" Mounted

Baader S-II 8 nm Narrowband CCD Filter - 1.25" Mounted - FSIIN-1

SKU: BAD-FSIIN-1
  • Filter Type: SII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$149.00
Astronomik 1.25" CLS Light Pollution Filter

Astronomik CLS Light Pollution Filter 1.25" - CLS-1

SKU: ASF-CLS-1
  • Filter Type: CLS/LPR
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$75.95

Astronomik CLS-CCD Light Pollution Filter - 1.25" - CLSCCD-1

SKU: ASF-CLSCCD-1
  • Filter Type: CLS/LPR
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$99.95
Explore Scientific 1.25" H-Beta Nebula Filter with Case

Explore Scientific 1.25" H-Beta Nebula Filter - 310235

SKU: EXS-310235
  • Filter Type: H-Beta
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$119.99
Explore Scientific 1.25" OIII Nebula Filter with Case

Explore Scientific 1.25" OIII Nebula Filter - 310205

SKU: EXS-310205
  • Filter Type: OIII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$99.99
Explore Scientific 1.25" UHC Nebula Filter with Case

Explore Scientific 1.25" UHC Nebula Filter - 310215

SKU: EXS-310215
  • Filter Type: UHC
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$99.99
Astronomik 1.25" ProPlanet IR 742 Filter

Astronomik ProPlanet 742 IR Pass Filter - 1.25" - P742-1

SKU: ASF-P742-1
  • Filter Type: Pro Planet
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$49.95