Skip to content

Deep Sky Filters

Items 1 - 25 of 43
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 Planetarium 2" Visual OIII Nebula Filter

Baader Visual OIII Nebula Filter - 2" - FOIII-2

SKU: BAD-FOIII-2
  • Filter Type: OIII
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$189.00
Astronomik OIII 12 nm CCD Clip Filter for Canon EOS R/RP Full Frame Mirrorless Cameras

Astronomik OIII 12 nm CCD Filter - Canon EOS R XL Full Frame Clip - OIIICCD-EOS-R-XL

SKU: ASF-OIIICCD-EOS-R-XL
  • Filter Type: OIII
  • Filter Size: EOS R/RP
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$329.95
Astronomik OIII 6 nm CCD Clip Filter for Canon EOS R/RP Full Frame Mirrorless Cameras

Astronomik OIII 6 nm CCD Filter - Canon EOS R XL Full Frame Clip - OIIICCD6-EOS-R-XL

SKU: ASF-OIIICCD6-EOS-R-XL
  • Filter Type: OIII
  • Filter Size: EOS R/RP
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$519.95
Astronomik 1.25" Round Mounted OIII Visual Filter

Astronomik OIII Visual Filter - 1.25" Round Mounted - OIII-1

SKU: ASF-OIII-1
  • Filter Type: OIII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$109.95
Astronomik OIII 12 nm CCD Filter - 2" Round Mounted

Astronomik OIII 12 nm CCD Filter - 2" Round Mounted - OIIICCD-2

SKU: ASF-OIIICCD-2
  • Filter Type: OIII
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$289.95
Astronomik 2" Round Mounted OIII Visual Filter

Astronomik OIII Visual Filter - 2" Round Mounted - OIII-2

SKU: ASF-OIII-2
  • Filter Type: OIII
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$219.95
Astronomik OIII 12 nm CCD Filter - 1.25" Round Mounted

Astronomik OIII 12 nm CCD Filter - 1.25" Round Mounted - OIIICCD-1

SKU: ASF-OIIICCD-1
  • Filter Type: OIII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$129.95
Astronomik 12 nm OIII CCD Filter - EOS Clip

Astronomik OIII 12 nm CCD Filter - EOS Clip - OIIICCD-EOS

SKU: ASF-OIIICCD-EOS
  • Filter Type: OIII
  • Filter Size: EOS APS Clip
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$189.95
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 2" OIII Nebula Filter with Case

Explore Scientific 2" OIII Nebula Filter - 310200

SKU: EXS-310200
  • Filter Type: OIII
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$129.99

Optolong OIII 25nm Filter - 1.25" Mounted - OIII-125

SKU: OTL-OIII-125
  • Filter Type: OIII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$78.00

Optolong 25nm OIII Filter - 2" Mounted - OIII-200

SKU: OTL-OIII-200
  • Filter Type: OIII
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$108.00
Astronomik OIII 12 nm CCD Filter - 31 mm Round

Astronomik OIII 12 nm CCD Filter - 31 mm Round - OIIICCD-31

SKU: ASF-OIIICCD-31
  • Filter Type: OIII
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$169.95
Astronomik 12 nm O-III CCD Filter - 36 mm Round

Astronomik OIII 12 nm CCD Filter - 36 mm Round - OIIICCD-36

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

Astronomik OIII 12 nm CCD Filter - 50 mm Round - OIIICCD-50R

SKU: ASF-OIIICCD-50R
  • Filter Type: OIII
  • Filter Size: 50 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$299.95
Astronomik 2" Round Mounted OIII 6 nm CCD Filter

Astronomik OIII 6 nm CCD Filter - 2" Round Mounted - OIIICCD6-2

SKU: ASF-OIIICCD6-2
  • Filter Type: OIII
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$469.95
Astronomik OIII 6 nm CCD Filter - 31 mm Round

Astronomik OIII 6 nm CCD Filter - 31 mm Round - OIIICCD6-31

SKU: ASF-OIIICCD6-31
  • Filter Type: OIII
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$249.95
Astronomik 36 mm Round OIII 6 nm CCD Filter

Astronomik OIII 6 nm CCD Filter - 36 mm Round - OIIICCD6-36

SKU: ASF-OIIICCD6-36
  • Filter Type: OIII
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$289.95
Astronomik 50 mm Round 6 nm OIII CCD Filter

Astronomik OIII 6 nm CCD Filter - 50 mm Round - OIIICCD6-50R

SKU: ASF-OIIICCD6-50R
  • Filter Type: OIII
  • Filter Size: 50 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$469.95
Astronomik 6 nm OIII CCD T-Mount Filter

Astronomik OIII 6 nm CCD Filter - T-Mount - OIIICCD6-T

SKU: ASF-OIIICCD6-T
  • Filter Type: OIII
  • Filter Size: M42 x 0.75 mm (T-Thread)
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$419.95
Astronomik OIII 12 nm CCD T-Mount Filter

Astronomik OIII 12 nm CCD Filter - T-Mount - OIIICCD-T

SKU: ASF-OIIICCD-T
  • Filter Type: OIII
  • Filter Size: M42 x 0.75 mm (T-Thread)
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$269.95
Astronomik OIII SCT Rear Cell Visual Filter

Astronomik OIII Visual Filter - SC Rear Cell - OIII-SCT

SKU: ASF-OIII-SCT
  • Filter Type: OIII
  • Filter Size: SCT Rear Cell
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$199.95
Astronomik OIII 12 nm CCD EOS XL Full Frame Clip Filter

Astronomik OIII 12 nm CCD Filter - EOS XL Full Frame Clip - OIIICCD-EOSXL

SKU: ASF-OIIICCD-EOSXL
  • Filter Type: OIII
  • Filter Size: EOS Full Frame Clip
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$319.95
Astronomik OIII 6 nm CCD EOS XL Full Frame Clip Filter

Astronomik OIII 6 nm CCD Filter - EOS XL Full Frame Clip - OIIICCD6-EOSXL

SKU: ASF-OIIICCD6-EOSXL
  • Filter Type: OIII
  • Filter Size: EOS Full Frame Clip
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$489.95