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

Deep Sky Filters

20 Items
Astronomik 12 nm SII CCD Filter - 1.25" Round Mounted

Astronomik SII 12 nm CCD Filter - 1.25" - SII-1

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

Astronomik SII 12 nm CCD Filter - 2" - SII-2

SKU: ASF-SII-2
  • Filter Type: SII
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$289.95
Astronomik 31 mm Round SII 12 nm CCD Filter

Astronomik SII 12 nm CCD Filter - 31 mm - SII-31

SKU: ASF-SII-31
  • Filter Type: SII
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$169.95
Astronomik 1.25" Round Mounted SII 6 nm CCD Filter

Astronomik SII 6 nm CCD Filter - 1.25" - SII6-1

SKU: ASF-SII6-1
  • Filter Type: SII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$199.95
Astronomik SII 12 nm CCD Filter - 36 mm Round

Astronomik SII 12 nm CCD Filter - 36 mm - SII-36

SKU: ASF-SII-36
  • Filter Type: SII
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$189.95
Astronomik 50 mm Round SII 12 nm CCD Filter

Astronomik SII 12 nm CCD Filter - 50 mm Round - SII-50R

SKU: ASF-SII-50R
  • Filter Type: SII
  • Filter Size: 50 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$299.95
Astronomik SII 12 nm CCD Filter - SC Rear Cell

Astronomik SII 12 nm CCD Filter - SCT Rear Cell - SII-SCT

SKU: ASF-SII-SCT
  • Filter Type: SII
  • Filter Size: SCT Rear Cell
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$289.95
Astronomik 2" Round Mounted SII 6 nm CCD Filter

Astronomik SII 6 nm CCD Filter - 2" - SII6-2

SKU: ASF-SII6-2
  • Filter Type: SII
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$469.95
Astronomik 31 mm Round SII 6 nm CCD Filter

Astronomik SII 6 nm CCD Filter - 31 mm - SII6-31

SKU: ASF-SII6-31
  • Filter Type: SII
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$249.95
Astronomik SII 6 nm CCD Filter - 36 mm Round

Astronomik SII 6 nm CCD Filter - 36 mm - SII6-36

SKU: ASF-SII6-36
  • Filter Type: SII
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$289.95
Astronomik 50 mm Round SII 6 nm CCD Filter

Astronomik SII 6 nm CCD Filter - 50 mm Round - SII6-50R

SKU: ASF-SII6-50R
  • Filter Type: SII
  • Filter Size: 50 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$469.95
Astronomik SII 6 nm T-Mount CCD Filter

Astronomik SII 6 nm CCD Filter - T-Mount - SII6-T

SKU: ASF-SII6-T
  • Filter Type: SII
  • Filter Size: M42 x 0.75 mm (T-Thread)
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$419.95
Astronomik SII 12 nm CCD T-Mount Filter

Astronomik SII 12 nm CCD Filter - T-Mount - SII-T

SKU: ASF-SII-T
  • Filter Type: SII
  • Filter Size: M42 x 0.75 mm (T-Thread)
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$269.95
Astronomik 27 mm Round 12 nm SII CCD Filter

Astronomik SII 12 nm CCD Filter - 27 mm Round - SII-27

SKU: ASF-SII-27
  • Filter Type: SII
  • Filter Size: 27 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
$129.95
Astronomik 27 mm Round SII 6 nm CCD Filter

Astronomik SII 6 nm CCD Filter - 27 mm Round - SII6-27

SKU: ASF-SII6-27
  • Filter Type: SII
  • Filter Size: 27 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$199.95
Astronomik SII 6 nm CCD Filter - SC Rear Cell

Astronomik SII 6 nm CCD Filter - SC Rear Cell - SII6-SCT

SKU: ASF-SII6-SCT
  • Filter Type: SII
  • Filter Size: SCT Rear Cell
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$479.95
Astronomik M52 Threaded SII 12 nm CCD Filter

Astronomik SII 12 nm CCD Filter - M52 Round Mounted - SII-M52

SKU: ASF-SII-M52
  • Filter Type: SII
  • Filter Size: M52
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$299.95
Astronomik 42 mm Round 12 nm SII CCD Filter

Astronomik SII 12 nm CCD Filter - 42 mm Round - SII-42

SKU: ASF-SII-42
  • Filter Type: SII
  • Filter Size: 42 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$229.95
Astronomik M52 Threaded SII 6 nm CCD Filter

Astronomik SII 6 nm CCD Filter - M52 Round Mounted - SII6-M52

SKU: ASF-SII6-M52
  • Filter Type: SII
  • Filter Size: M52
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$479.95
Astronomik 42 mm Round SII 6 nm CCD Filter

Astronomik SII 6 nm CCD Filter - 42 mm Round - SII6-42

SKU: ASF-SII6-42
  • Filter Type: SII
  • Filter Size: 42 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$359.95