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Deep Sky Filters

Items 1 - 25 of 51

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
$79.95 $69.95
Celestron 2" UHC Light Pollution Reduction Filter

Celestron Ultra High Contrast (UHC) Light Pollution Reduction 2" Filter - 94124

SKU: CEL-94124
  • Filter Type: CLS/LPR
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$109.95 $92.95

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 Ultrablock Narrowband Light Pollution Reduction Filter 2" - 05657

SKU: ORI-05657
  • Filter Type: CLS/LPR
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$99.99

Orion SkyGlow Broadband Light Pollution Reduction Filter 2" - 05659

SKU: ORI-05659
  • Filter Type: CLS/LPR
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$69.99

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

Lumicon 1.25" Ultra High Contrast (UHC) 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 2" Ultra High Contrast (UHC) Filter - LF3030

SKU: LUM-LF3030
  • Filter Type: UHC
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$200.00

Lumicon Ultra High Contrast (UHC) Thread-on Filter for Schmidt-Cassegrain Rear Cell - LF3035

SKU: LUM-LF3035
  • Filter Type: UHC
  • Filter Size: SCT Rear Cell
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$200.00

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
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$89.00
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 2" CLS Light Pollution Filter

Astronomik CLS Light Pollution Filter 2" - CLS-2

SKU: ASF-CLS-2
  • Filter Type: CLS/LPR
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$159.95
Astronomik 31 mm CLS Light Pollution Filter

Astronomik CLS Light Pollution Filter - 31 mm Round - CLS-31

SKU: ASF-CLS-31
  • Filter Type: CLS/LPR
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$95.95

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
Astronomik 2" CLS-CCD Light Pollution Filter

Astronomik CLS-CCD Light Pollution Filter - 2" - CLSCCD-2

SKU: ASF-CLSCCD-2
  • Filter Type: CLS/LPR
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$199.95
Astronomik CLS CCD Canon EOS Clip Filter

Astronomik CLS CCD Canon EOS Clip Filter - CLSCCD-EOS

SKU: ASF-CLSCCD-EOS
  • Filter Type: CLS/LPR
  • Filter Size: EOS APS Clip
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$159.95
Astronomik CLS-CCD Canon EOS XL Full Frame Clip Filter

Astronomik CLS CCD Canon EOS XL Full Frame Clip Filter - CLSCCD-EOSXL

SKU: ASF-CLSCCD-EOSXL
  • Filter Type: CLS/LPR
  • Filter Size: EOS Full Frame Clip
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$199.95
Astronomik CLS Canon EOS Clip Filter

Astronomik CLS Canon EOS Clip Filter - CLS-EOS

SKU: ASF-CLS-EOS
  • Filter Type: CLS/LPR
  • Filter Size: EOS APS Clip
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$129.95
Astronomik CLS Canon EOS XL Clip Filter

Astronomik CLS Canon EOS XL Full Frame Clip Filter - CLS-EOSXL

SKU: ASF-CLS-EOSXL
  • Filter Type: CLS/LPR
  • Filter Size: EOS Full Frame Clip
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$179.95
Astronomik T-Thread CLS CCD Light Pollution Filter

Astronomik CLS CCD Light Pollution Filter - T-Mount - CLSCCD-T

SKU: ASF-CLSCCD-T
  • Filter Type: CLS/LPR
  • Filter Size: M42 x 0.75 mm (T-Thread)
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$179.95
Astronomik UHC Filter - 2" Round Mounted

Astronomik UHC Filter - 2" Round Mounted - UHC-2

SKU: ASF-UHC-2
  • Filter Type: UHC
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$219.95
Astronomik 1.25" Round Mounted UHC Filter

Astronomik UHC Filter - 1.25" Round Mounted - UHC-1

SKU: ASF-UHC-1
  • Filter Type: UHC
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$109.95

Optolong UHC Filter - 1.25" Mounted - UHC-125

SKU: OTL-UHC-125
  • Filter Type: UHC
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$55.00
Explore Scientific 2" UHC Nebula Filter with Case

Explore Scientific 2" UHC Nebula Filter - 310210

SKU: EXS-310210
  • Filter Type: UHC
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$129.99 $109.99
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 $84.99