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Filters

Items 1 - 25 of 630
Celestron IR Cut Filter for Skyris Color Cameras

Celestron IR Cut Filter for Color Skyris Cameras - C Mount - 95516

SKU: CEL-95516
  • Filter Type: UV/IR/Luminance
  • Filter Size: C Mount
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$36.95 $29.95
 
Baader 1.25" 35 nm H-Alpha Filter

Baader 35 nm Midband H-Alpha CCD Filter - 1.25" Mounted - FHAL-1

SKU: BAD-FHAL-1
  • Filter Type: H-Alpha
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$109.00
 
Baader 2" Mounted 35 nm H-Alpha CCD Filter

Baader 35 nm Midband H-Alpha CCD Filter - 2" Mounted - FHAL-2

SKU: BAD-FHAL-2
  • Filter Type: H-Alpha
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$199.00
 
Baader Planetarium H-Alpha 7 nm Narrowband CCD Filter - 1.25"

Baader H-Alpha 7 nm Narrowband CCD Filter - 1.25" - FHALN-1

SKU: BAD-FHALN-1
  • Filter Type: H-Alpha
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$199.00
 
Baader Planetarium 2" H-alpha 7 nm Narrowband Filter

Baader H-Alpha 7 nm Narrowband CCD Filter - 2" Mounted - FHALN-2

SKU: BAD-FHALN-2
  • Filter Type: H-Alpha
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$309.00
 
Baader H-Beta CCD Filter

Baader 8.5 nm H-Beta Narrowband CCD Filter - 1.25" - FHBN-1

SKU: BAD-FHBN-1
  • Filter Type: H-Beta
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$136.00
 
Baader 8.5 nm H-Beta Filter

Baader 8.5 nm H-Beta Narrowband CCD Filter - 2" Mounted - FHBN-2

SKU: BAD-FHBN-2
  • Filter Type: H-Beta
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$219.00
 

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
 
Baader Planetarium OIII 8.5 nm Narrowband Filter - 1.25" Mounted

Baader Planetarium OIII 8.5 nm Narrowband CCD Filter - 1.25" Mounted - FOIIIN-1

SKU: BAD-FOIIIN-1
  • Filter Type: OIII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$149.00
 
Baader Planetarium 2" OIII 8.5 nm Narrowband Filter

Baader OIII 8.5 nm Narrowband CCD Filter - 2" Mounted - FOIIIN-2

SKU: BAD-FOIIIN-2
  • Filter Type: OIII
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$227.00
 

Baader Planetarium 1.25" U-Filter - FUV-1

SKU: BAD-FUV-1
  • Filter Type: UV/IR/Luminance
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$296.00 $236.80
 

Baader Planetarium 2" U Filter - FUV-2

SKU: BAD-FUV-2
  • Filter Type: Fringe-Killer/Minus Violet
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$387.00
 

Baader UV IR-Cut L Filter - 2" Mounted - FUVIR-2

SKU: BAD-FUVIR-2
  • Filter Type: UV/IR/Luminance
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$132.00
 
Baader 50.5 mm Round Unmounted UV-IR Cut/L Filter

Baader UV-IR-Cut L Filter - 50.4 mm Round Unmounted - FUVIR-RD50

SKU: BAD-FUVIR-RD50
  • Filter Type: UV/IR/Luminance
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
$156.00 $124.80
 

Orion SkyGlow Imaging 1.25" Filter - 05559

SKU: ORI-05559
  • Filter Type: SkyGlow
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$99.99
 

Orion SkyGlow Imaging 2" Filter - 05561

SKU: ORI-05561
  • Filter Type: SkyGlow
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$159.99
 

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
 

Orion 1.25" IR-Cut Filter - 5564

SKU: ORI-05564
  • Filter Type: UV/IR/Luminance
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$39.99
 

Orion X-tra Narrowband Oxygen Three O-III 1.25" Filter - 5578

SKU: ORI-05578
  • Filter Type: OIII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$129.99 $103.99
 
Astronomik 1.25" CLS Light Pollution Filter

Astronomik CLS Light Pollution Filter 1.25" - CLS-1

SKU: ASF-CLS-1
  • Filter Type: CLS/LPR
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$75.95
 
Astronomik 2" CLS Light Pollution Filter

Astronomik CLS Light Pollution Filter 2" - CLS-2

SKU: ASF-CLS-2
  • Filter Type: CLS/LPR
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$159.95
 
Astronomik 31 mm CLS Light Pollution Filter

Astronomik CLS Light Pollution Filter - 31 mm Round - CLS-31

SKU: ASF-CLS-31
  • Filter Type: CLS/LPR
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$95.95
 
Astronomik CLS Canon EOS Clip Filter

Astronomik CLS Canon EOS Clip Filter - CLS-EOS

SKU: ASF-CLS-EOS
  • Filter Type: CLS/LPR
  • Filter Size: EOS APS Clip
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
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$129.95
 

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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