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Green Monday - Loads Of Telescope Deals!

Filters

Items 1 - 25 of 69
Astrodon 3 nm SII Narrowband 49.7 mm Round Filter

Astrodon 3 nm SII Narrowband Filter - 65 mm Square Unmounted - SII3-65S

SKU: ASD-SII3-65S
  • Filter Type: SII
  • Filter Size: 65 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$2,495.00

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

Astrodon 3 nm OIII Narrowband Filter - 65 mm Square Unmounted - OIII3-65S

SKU: ASD-OIII3-65S
  • Filter Type: OIII
  • Filter Size: 65 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$2,495.00
Baader 50 mm Square LRGBC Filter Set

Baader LRGBC CCD Filter Set - 50 mm Square Unmounted - FLRGBC-SQ50

SKU: BAD-FLRGBC-SQ50
  • Filter Type: RGB
  • Filter Size: 50 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$849.00
Baader 65 mm Square LRGBC Filter Set

Baader LRGBC CCD Filter Set - 65 mm Square Unmounted - FLRGBC-SQ65

SKU: BAD-FLRGBC-SQ65
  • Filter Type: RGB
  • Filter Size: 65 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$1,029.00
Baader 65 mm Square LRGB Filter Set

Baader LRGB CCD Filter Set - 65 mm Square Unmounted - FLRGB-SQ65

SKU: BAD-FLRGB-SQ65
  • Filter Type: RGB
  • Filter Size: 65 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$949.00
Baader 50 mm Square LRGB Filter Set

Baader LRGB CCD Filter Set - 50 mm Square Unmounted - FLRGB-SQ50

SKU: BAD-FLRGB-SQ50
  • Filter Type: RGB
  • Filter Size: 50 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$789.00
Baader SII 8nm Narrowband Filter - 50 mm Square

Baader S-II 8 nm Narrowband CCD Filter - 50 mm Square Unmounted - FSIIN-SQ50

SKU: BAD-FSIIN-SQ50
  • Filter Type: SII
  • Filter Size: 50 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$360.00
Baader SII 8nm Narrowband Filter - 65 mm Square

Baader S-II 8 nm Narrowband CCD Filter - 65 mm Square Unmounted - FSIIN-SQ65

SKU: BAD-FSIIN-SQ65
  • Filter Type: SII
  • Filter Size: 65 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$479.00
Baader OIII 8.5 nm Filter - 50 mm Square Unmounted

Baader OIII 8.5 nm Narrowband CCD Filter - 50 mm Square Unmounted - FOIIIN-SQ50

SKU: BAD-FOIIIN-SQ50
  • Filter Type: OIII
  • Filter Size: 50 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$374.00
Baader OIII 8.5 nm Filter - 65 mm Square Unmounted

Baader OIII 8.5 nm Narrowband CCD Filter - 65 mm Square Unmounted - FOIIIN-SQ65

SKU: BAD-FOIIIN-SQ65
  • Filter Type: OIII
  • Filter Size: 65 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$492.00
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 mm Square Unmounted UHC-S L Booster Filter

Baader UHC-S Nebula Filter - L Booster - 50 mm Square Unmounted - FUHC-SQ50

SKU: BAD-FUHC-SQ50
  • Filter Type: UHC
  • Filter Size: 50 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$226.00
Baader 50 mm Square Unmounted UV-IR Cut/L Filter

Baader UV-IR-Cut L Filter - 65 mm Square Unmounted - FUVIR-SQ65

SKU: BAD-FUVIR-SQ65
  • Filter Type: UV/IR/Luminance
  • Filter Size: 50 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$267.00
Baader Giant UV-IR Cut Filter for Pro Movie Cameras (1.25" filter not included)

Baader UV-IR-Cut L Filter - 101 mm x 143 mm Square Unmounted - FUVIR-SQ100

SKU: BAD-FUVIR-SQ100
  • Filter Type: UV/IR/Luminance
  • Filter Size: 100 mm & Up
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$499.00
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 50 mm Square 3.5 nm H-Alpha Enforced Narrowband Filter

Baader 3.5 nm H-Alpha Enforced Narrowband CCD Filter - 50 mm Square Unmounted - FHALNU-SQ50

SKU: BAD-FHALNU-SQ50
  • Filter Type: H-Alpha
  • Filter Size: 50 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$640.00
Baader 8.5 nm H-Beta Filter - 50 mm Square

Baader 8.5 nm H-Beta Narrowband CCD Filter - 50 mm Square Unmounted - FHBN-SQ50

SKU: BAD-FHBN-SQ50
  • Filter Type: H-Beta
  • Filter Size: 50 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$399.00
Baader Clear IR-Blocked Filter - 50 mm Square

Baader Clear (C) IR-Blocked Focusing Filter - 50 mm Square Unmounted

SKU: BAD-FC-SQ50
  • Filter Type: Clear
  • Filter Size: 50 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
$121.00
Baader Clear IR-Blocked Filter - 65 mm Square

Baader Clear (C) IR-Blocked Focusing Filter - 65 mm Square Unmounted

SKU: BAD-FC-SQ65
  • Filter Type: Clear
  • Filter Size: 65 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
$138.00
Astronomik 50 mm Square Deep Sky RGB Color Filter Set

Astronomik Deep Sky RGB Color Filter Set - 50 mm Square - DRGB-50SQ

SKU: ASF-DRGB-50SQ
  • Filter Type: RGB
  • Filter Size: 50 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$699.95
Astronomik 50 mm Square Red, Green, and Blue Filters

Astronomik LRGB Filter Set - 50 mm Square - LRGB-50SQ

SKU: ASF-LRGB-50SQ
  • Filter Type: RGB
  • Filter Size: 50 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$599.95
Astronomik 50x50 mm MC Clear Glass Filter

Astronomik MC Clear Glass Filter - 50 mm Square - C-50SQ

SKU: ASF-C-50SQ
  • Filter Type: Clear
  • Filter Size: 50 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$89.95
Astronomik CLS Light Pollution Filter - 50x50 mm Square

Astronomik CLS Light Pollution Filter - 50 mm Square - CLS-50SQ

SKU: ASF-CLS-50SQ
  • Filter Type: CLS/LPR
  • Filter Size: 50 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$189.95