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Filters

Items 1 - 25 of 57

Baader LRGB CCD Filter Set - 1.25" Mounted - FLRGB-1

SKU: BAD-FLRGB-1
  • Filter Type: RGB
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$379.00
 

Baader LRGB CCD Filter Set - 2" Mounted - FLRGB-2

SKU: BAD-FLRGB-2
  • Filter Type: RGB
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$619.00
 

Baader LRGBC CCD Filter Set - 1.25" Mounted - FLRGBC-1

SKU: BAD-FLRGBC-1
  • Filter Type: RGB
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$427.00
 

Orion 1.25" LRGB Filter Set - 05563

SKU: ORI-05563
  • Filter Type: RGB
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$149.99
 

Optolong LRGB CCD Filter Set - 1.25" Mounted - LRGB-125

SKU: OTL-LRGB-125
  • Filter Type: RGB
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$249.00
 

Optolong LRGB Filter Set - 2" Mounted - LRGB-200

SKU: OTL-LRGB-200
  • Filter Type: RGB
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$359.00
 
Optolong UBVRI Filter Set

Optolong UBVRI Filter Set - 1.25" Mounted - UBVRI-125

SKU: OTL-UBVRI-125
  • Filter Type: Photometric (UBVIR, Johnson-Cousins)
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$685.00 $548.00
 
Optolong UBVRI Filter Set

Optolong UBVRI Filter Set - 2" Mounted - UBVRI-200

SKU: OTL-UBVRI-200
  • Filter Type: Photometric (UBVIR, Johnson-Cousins)
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$830.00
 

Optolong LRGB CCD Filter Set - 31mm Unmounted - LRGB-31U

SKU: OTL-LRGB-31U
  • Filter Type: RGB
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$291.00
 

Optolong LRGB CCD Filter Set - 36mm Unmounted - LRGB-36U

SKU: OTL-LRGB-36U
  • Filter Type: RGB
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$299.00
 

Optolong UBVRI Filter Set - 31mm Unmounted - UBVRI-31U

SKU: OTL-UBVRI-31U
  • Filter Type: Photometric (UBVIR, Johnson-Cousins)
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$740.00 $481.00
 
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
 

Astronomik LRGB Filter Set - 1.25" Round Mounted - LRGB-1

SKU: ASF-LRGB-1
  • Filter Type: RGB
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$269.95
 
Astronomik 2" Round Mounted LRGB Filter Set

Astronomik LRGB Filter Set - 2" Round Mounted - LRGB-2

SKU: ASF-LRGB-2
  • Filter Type: RGB
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$539.95
 
Meade RGB-IR 1.25" Color Filter Set

Meade RGB-IR 1.25" Color Filter Set - 04530

SKU: MEA-04530
  • Filter Type: RGB
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$49.99 $39.20
 
Baader High Speed Narrowband Filter Set - Ha, OIII, SII

Baader f/2 High Speed Narrowband CCD Filter Set - 2" Mounted - FHSS-2

SKU: BAD-FHSS-2
  • Filter Type: Narrowband Set
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$984.00
 
Baader High Speed Narrowband Filter Set - Ha, OIII, SII

Baader f/2 High Speed Narrowband CCD Filter Set - 1.25" Mounted - FHSS-1

SKU: BAD-FHSS-1
  • Filter Type: Narrowband Set
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$649.00
 
Baader LRGBC Filter Set

Baader LRGBC CCD Filter Set - 2" Mounted - FLRGBC-2

SKU: BAD-FLRGBC-2
  • Filter Type: RGB
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$679.00
 
Baader 36 mm LRGBC Filter Set

Baader LRGBC CCD Filter Set - 36 mm Unmounted - FLRGBC-RD36

SKU: BAD-FLRGBC-RD36
  • Filter Type: RGB
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$524.00
 
Baader 50.4 mm LRGBC Filter Set

Baader LRGBC CCD Filter Set - 50.4 mm Unmounted - FLRGBC-RD50

SKU: BAD-FLRGBC-RD50
  • Filter Type: RGB
  • Filter Size: 50.4 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$749.00
 
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 50.4 mm Round LRGB Filter Set

Baader LRGB CCD Filter Set - 50.4 mm Round Unmounted - FLRGB-RD50

SKU: BAD-FLRGB-RD50
  • Filter Type: RGB
  • Filter Size: 50.4 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$690.00
 

One of the most crucial accessories of astro-imaging is filters. Eyepiece filters are an invaluable aid in lunar and planetary observing. They reduce glare and light scattering, increase contrast through selective filtration, increase definition and resolution, reduce irradiation and lessen eye fatigue. Different filters will act differently, highlighting a rainbow of wavelengths to enhance a variety of features in the night sky.


Deep-space imaging in particular benefits from filters. Far away celestial objects, such as nebulae come to life in your photos with vivid colors. We recommend starting out with an h-alpha filter to filter out broadband light pollution while only allowing a very narrow bandwidth of light to pass through. These are a favorite filter among astrophotographers!


We offer deep sky filters and planetary filters from Lumicon, Baader Planetarium, Celestron, TeleVue, Meade, Orion, High Point & Thousand Oaks. Telescope filters will add to the performance of virtually any telescope and are a highly recommended telescope accessory. Feel free to contact one of our telescope experts for advice on selecting the filter assortment that is right for you.

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