Skip to content

Deep Sky Filters

23 Items
Astronomik Deep Sky RGB 1.25" Round Mounted Color Filters

Astronomik Deep Sky RGB Color Filter Set - 1.25" Round Mounted - DRGB-1

SKU: ASF-DRGB-1
  • Filter Type: RGB
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$299.95
 
Astronomik Deep Sky RGB Color Filter Set - 2" Round Mounted

Astronomik Deep Sky RGB Color Filter Set - 2" Round Mounted - DRGB-2

SKU: ASF-DRGB-2
  • Filter Type: RGB
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$549.95
 
Astronomik 31 mm Round Deep Sky RGB Color Filter Set

Astronomik Deep Sky RGB Color Filter Set - 31 mm Round - DRGB-31

SKU: ASF-DRGB-31
  • Filter Type: RGB
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$319.95
 
Astronomik Deep Sky RGB Color Filter Set - 36 mm Round

Astronomik Deep Sky RGB Color Filter Set - 36 mm Round - DRGB-36

SKU: ASF-DRGB-36
  • Filter Type: RGB
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$379.95
 
Astronomik 50 mm Deep Sky RGB Color Filters - Round

Astronomik Deep Sky RGB Color Filter Set - 50 mm Round - DRGB-50R

SKU: ASF-DRGB-50R
  • Filter Type: RGB
  • Filter Size: 50 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$579.95
 
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
Free shipping Free shipping
$699.95
 
Baader 1.25" UBVRI Photometric Filter Set

Baader 1.25" UBVRI Photometric Filter Set - FUBVRIS-1

SKU: BAD-FUBVRIS-1
  • Filter Type: Photometric (UBVIR, Johnson-Cousins)
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$899.00
 
Optolong 1.25" Filter Set with LRGB, H-Alpha, SII, and OIII Filters

Optolong 1.25" Filter Set with LRGB, H-Alpha, SII, and OIII Filters - LRGB-HASIIOIII-125

SKU: OTL-LRGB-HASIIOIII-125
  • Filter Type: RGB & Narrowband Set
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$665.00
 
Optolong Filter Set with LRGB, H-Alpha, SII, and OIII Filters

Optolong 2" Filter Set with LRGB, H-Alpha, SII, and OIII Filters - LRGB-HASIIOIII-200

SKU: OTL-LRGB-HASIIOIII-200
  • Filter Type: RGB & Narrowband Set
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$1,009.00
 

Optolong 31mm Unmounted Filter Set with LRGB, H-Alpha, SII, and OIII Filters - LRGB-HASIIOIII-31U

SKU: OTL-LRGB-HASIIOIII-31U
  • Filter Type: RGB & Narrowband Set
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$705.00
 

Optolong 36mm Unmounted Filter Set with LRGB, H-Alpha, SII, and OIII Filters - LRGB-HASIIOIII-36U

SKU: OTL-LRGB-HASIIOIII-36U
  • Filter Type: RGB & Narrowband Set
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$775.00
 
Optolong LRGB and 7nm H-Alpha Filter Se

Optolong 1.25" LRGB and 7nm H-Alpha Filter Set - LRGB-HA-125

SKU: OTL-LRGB-HA-125
  • Filter Type: RGB & Narrowband Set
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$399.00
 
Optolong LRGB and 7nm H-Alpha Filter Set

Optolong 2" LRGB and 7nm H-Alpha Filter Set - LRGB-HA-200

SKU: OTL-LRGB-HA-200
  • Filter Type: RGB & Narrowband Set
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$585.00
 

Optolong 31mm Unmounted LRGB and 7nm H-Alpha Filter Set - LRGB-HA-31U

SKU: OTL-LRGB-HA-31U
  • Filter Type: RGB & Narrowband Set
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$460.00
 

Optolong 36mm Unmounted LRGB and 7nm H-Alpha Filter Set - LRGB-HA-36U

SKU: OTL-LRGB-HA-36U
  • Filter Type: RGB & Narrowband Set
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$465.00
 

Optolong 1.25" Filter Set with H-Alpha, SII, and OIII Filters - HASIIOIII-125

SKU: OTL-HASIIOIII-125
  • Filter Type: Narrowband Set
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$465.00
 

Optolong 2" Filter Set with H-Alpha, SII, and OIII Filters - HASIIOIII-200

SKU: OTL-HASIIOIII-200
  • Filter Type: Narrowband Set
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$720.00
 

Optolong 31mm Unmounted Filter Set with H-Alpha, SII, and OIII Filters - HASIIOIII-31U

SKU: OTL-HASIIOIII-31U
  • Filter Type: Narrowband Set
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$540.00
 

Optolong 36mm Unmounted Filter Set with H-Alpha, SII, and OIII Filters - HASIIOIII-36U

SKU: OTL-HASIIOIII-36U
  • Filter Type: Narrowband Set
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$557.00
 
Atik Narrowband Filter Kit - 1.25" Mounted

Atik 1.25" Narrow Band Filter Set - ATK0176

SKU: ATK-ATK0176
  • Filter Type: Narrowband Set
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$451.00
 
Atik Narrowband Filter Kit - 36 mm Unmounted

Atik 36 mm Unmounted Narrow Band Filter Set - ATK0177

SKU: ATK-ATK0177
  • Filter Type: Narrowband Set
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$540.00
 
Atik Narrowband Filter Kit - 2" Mounted

Atik 2" Narrow Band Filter Set - ATK0175

SKU: ATK-ATK0175
  • Filter Type: Narrowband Set
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$706.00
 
Astronomik 27 mm Round Deep Sky RGB Color Filter Set

Astronomik Deep Sky RGB Color Filter Set - 27 mm Round - DRGB-27

SKU: ASF-DRGB-27
  • Filter Type: RGB
  • Filter Size: 27 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$249.95