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Filters

22 Items

ZWO 1.25" Duo-Band Filter - DB1.25

SKU: ZWO-DB1.25
  • Filter Type: Multi Narrow Bandpass
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$99.00 $89.10

ZWO 2" Duo-Band Filter - DB2

SKU: ZWO-DB2
  • Filter Type: Multi Narrow Bandpass
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$179.00 $161.10
ZWO LRGB Filter Set

ZWO LRGB 1.25" Filter Set - LRGB125

SKU: ZWO-LRGB125
  • Filter Type: RGB
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$88.00 $79.20
ZWO IR Cut Filter - 1.25"

ZWO 1.25" IR Cut-Off Filter - IRCUT1

SKU: ZWO-IRCUT1
  • Filter Type: UV/IR/Luminance
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$22.00 $19.80
ZWO CH4 Methane Filter

ZWO 20nm CH4 Methane Band Filter - 1.25" - CH41

SKU: ZWO-CH41
  • Filter Type: Methane
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$99.00 $89.10

ZWO 850nm IR Pass Filter - 1.25" - IR850NM1

SKU: ZWO-IR850NM1
  • Filter Type: UV/IR/Luminance
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$22.00 $19.80

ZWO LRGB 1.25" Premium Filter Set - LRGB125NEW

SKU: ZWO-LRGB125NEW
  • Filter Type: RGB
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$148.00 $133.20

ZWO LRGB Filter Set - 31mm Unmounted - LRGB-31

SKU: ZWO-LRGB-31
  • Filter Type: RGB
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
$169.00 $152.10

ZWO LRGB Filter Set - 36mm Unmounted - LRGB-36

SKU: ZWO-LRGB-36
  • Filter Type: RGB
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$199.00 $179.10

ZWO H-Alpha 7nm CCD Filter - 1.25" - HA125

SKU: ZWO-HA125
  • Filter Type: H-Alpha
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$129.00 $116.10

ZWO H-Alpha 7nm CCD Filter - 31mm - HA31

SKU: ZWO-HA31
  • Filter Type: H-Alpha
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$149.00 $134.10

ZWO H-Alpha 7nm CCD Filter - 36mm - HA36

SKU: ZWO-HA36
  • Filter Type: H-Alpha
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$169.00 $152.10

ZWO SII 7nm Filter - 1.25" - SII125

SKU: ZWO-SII125
  • Filter Type: SII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$129.00 $116.10

ZWO SII 7nm Filter - 31mm - SII31

SKU: ZWO-SII31
  • Filter Type: SII
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$149.00 $134.10

ZWO SII 7nm Filter - 36mm - SII36

SKU: ZWO-SII36
  • Filter Type: SII
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$169.00 $152.10

ZWO OIII 7nm Filter - 1.25" - OIII125

SKU: ZWO-OIII125
  • Filter Type: OIII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$129.00 $116.10

ZWO OIII 7nm Filter - 31mm - OIII31

SKU: ZWO-OIII31
  • Filter Type: OIII
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$149.00 $134.10

ZWO OIII 7nm Filter - 36mm - OIII36

SKU: ZWO-OIII36
  • Filter Type: OIII
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$169.00 $152.10

ZWO 36mm Narrowband Filter Set - OIII, Ha, SII - NBSET-36

SKU: ZWO-NBSET-36
  • Filter Type: Narrowband Set
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$479.00 $431.10

ZWO 31mm Narrowband Filter Set - OIII, Ha, SII - NBSET-31

SKU: ZWO-NBSET-31
  • Filter Type: Narrowband Set
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$425.00 $382.50

ZWO 1.25" Narrowband Filter Set - OIII, Ha, SII - NBSET-125

SKU: ZWO-NBSET-125
  • Filter Type: Narrowband Set
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$369.00 $332.10
ZWO 2" IR-Cut Filter

ZWO 2" IR-Cut Filter - IRCUT2

SKU: ZWO-IRCUT2
  • Filter Type: UV/IR/Luminance
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$49.00 $44.10