Telescope Eyepiece Filters

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Tele Vue Bandmate Oxygen-III Filter (2")

Tele Vue Bandmate Oxygen-III Filter (2")

BH # TEB2O0200 MFR # B2O-0200
Key Features
  • Isolates the Oxygen-III Band
  • 500nm Wavelength Centered Bandpass
  • Greater Than 96% Transmission
  • Filter Set in 2" Filter Ring
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$26000
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Celestron UHC (Ultra High Contrast) Light Pollution Reduction 48mm Filter (Fits 2" Eyepieces)
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Celestron UHC (Ultra High Contrast) Light Pollution Reduction 48mm Filter (Fits 2" Eyepieces)

BH # CEUHCF2 MFR # 94124
Key Features
  • Reduces Transmission of Wavelengths of Artifically-Produced Light
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$12495
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Tele Vue Bandmate Nebustar Type II UHC Filter (1.25")

BH # TEB2N0125 MFR # B2N-0125
Key Features
  • Narrowband Ultra-High Contrast Filter
  • 485-505nm Wavelength Bandpass
  • Greater Than 96% Peak Transmission
  • Filter Set in 1.25" Filter Ring
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$14600
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Celestron Neutral Density 0.9 Moon Filter (1.25")

BH # CENDMF125 MFR # 94105
Key Features
  • Ideal for Lunar Observations
  • Fits 1.25" Eyepieces and Accessories
  • 0.9 Optical Density
  • 13% Transmission
$1995
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$1135
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Tele Vue Bandmate Oxygen-III Filter (1.25")

BH # TEB2O0125 MFR # B2O-0125
Key Features
  • Isolates the Oxygen-III Band
  • 500nm Wavelength Centered Bandpass
  • Greater Than 96% Transmission
  • Filter Set in 1.25" Filter Ring
See All Details
$14300
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Tele Vue Bandmate Nebustar Type II UHC Filter (2")

BH # TEB2N0200 MFR # B2N-0200
Key Features
  • Narrowband Ultra-High Contrast Filter
  • 485-505nm Wavelength Bandpass
  • Greater Than 96% Peak Transmission
  • Filter Set in 2" Filter Ring
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$32200
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Celestron Eyepiece Filter Set (1.25")

BH # CEFS1 MFR # 94119-10
Key Features
  • Fits 1.25" Eyepieces and Accessories
  • ND-96-0.3 Neutral Density Filter
  • #12 Deep Yellow Filter
  • #21 Orange Filter
$5495
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Neewer 1.25" Telescope Eyepiece Filter Set (10-Pieces)

BH # NE66601466 MFR # 66601466
Key Features
  • Fits 1.25" Telescope Eyepieces
  • 5 Planetary Color Filters
  • 2 Variable Polarizing Filters
  • Ultrahigh Contrast Filter
$5995
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$7125
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Alpine Astronomical Baader Double Polarizing Filter (1.25")

BH # ALFPOL1D MFR # FPOL-1D
Key Features
  • Double Rotating Filter Cells
  • Ideal for Lunar & Planetary Viewing
  • Enhances Overall Image Contrast
  • Standard 1.25" Eyepiece Filter Threads
$10900
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Alpine Astronomical Baader Neodymium Moon & Skyglow Filter (2")

BH # ALFMS2 MFR # FMS-2
Key Features
  • Improves Color and Contrst
  • UV/IR Luminance Blocking Coating
  • Filters Streetlights and Moon Skyglow
  • Isolates Red, Green, and Blue Colors
$17100
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Ice Moon 13% ND8 Filter (1.25")

BH # ICEND8125 MFR # ICE-ND8-125
$995
Special Order
Expected availability: 2-4 Weeks
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This item cannot be canceled or returned.

Ice Lipomax Double Strength Light Pollution Filter (1.25")

BH # ICLPMDS125 MFR # ICE-LIPOM-125
Key Features
  • Blocks Skyglow
  • Maintains Full Color Spectrum
  • Fits Telescope with 1.25" Eyepiece
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$1995
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Ice Lipomax Double Strength Light Pollution Filter (2")

BH # ICLPMDS2 MFR # ICE-LIPOM-2
Key Features
  • Blocks Skyglow
  • Maintains Full Color Spectrum
  • Fits Telescope with 2" Eyepiece
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$2195
Special Order
Expected availability: 2-4 Weeks
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Celestron Moon Filter Set (1.25")

BH # CEMFS125 MFR # 94315
Key Features
  • Filters Fit 1.25" Eyepieces/Accessories
  • Choose the Right Filter for Each Phase
  • ND96-0.9 13% Light Transmission Filter
  • ND96-0.6 25% Light Transmission Filter
$4499
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Alpine Astronomical Baader 0.9 Neutral Density Filter (1.25")

BH # ALFND11 MFR # FND1-1
Key Features
  • Ideal for Lunar Observation
  • Phantom Group Optical Coatings
  • Fits 1.25" Eyepieces and Accessories
  • 0.9 Optical Density
$5500
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Alpine Astronomical Baader 0.6 Neutral Density Filter (1.25")

BH # ALFND01 MFR # FND0-1
Key Features
  • Ideal for Lunar Observation
  • Phantom Group Optical Coatings
  • Fits 1.25" Eyepieces and Accessories
  • 0.6 Optical Density
$5500
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$7370
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Alpine Astronomical Baader 3.0 Neutral Density Filter (2")

BH # ALFND32 MFR # FND3-2
Key Features
  • Ideal for Lunar Observation
  • Phantom Group Optical Coatings
  • Fits 2" Eyepieces and Accessories
  • 3.0 Optical Density
$9500
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Standard Shipping

Alpine Astronomical Baader Neodymium Moon & Skyglow Filter (1.25")

BH # ALFMS1 MFR # FMS-1
Key Features
  • Improves Color and Contrst
  • UV/IR Luminance Blocking Coating
  • Filters Streetlights and Moon Skyglow
  • Isolates Red, Green, and Blue Colors
$10400
Temporarily Out of Stock
Expected availability: Jul 06, 2026
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Alpine Astronomical Baader 685nm IR-Pass Filter (2")

BH # ALFIRP2 MFR # FIRP-2
Key Features
  • Ideal for Planetary Viewing and Imaging
  • View in the Long Deep-Red Wavelength
  • IR Phantom-Group Optical Multi-Coatings
  • Passes the Narrow 685nm Bandwidth
$17500
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Alpine Astronomical Baader Semi-APO Eyepiece Filter (2")

BH # ALFSAPO2 MFR # FSAPO-2
Key Features
  • Enhances Views Through Achromatic OTAs
  • Combines Fringe Killer & Moon/Skyglow
  • For Planetary and Deep-Sky Viewing
  • Ideal for Mars Observation/Photography
$19000
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Tele Vue Bandmate Hydrogen-beta Filter (2")

BH # TEB2H0200 MFR # B2H-0200
Key Features
  • Isolates the Aqua H-beta Band
  • 485nm Wavelength Centered Bandpass
  • Greater Than 95% Transmission
  • Filter Set in 2" Filter Ring
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$26000
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Alpine Astronomical Baader Colored Bandpass Eyepiece Filter Set (1.25")

BH # ALFCFS1 MFR # FCFS-1
Key Features
  • Planetary Viewing/Imaging Filters
  • Blue, Dark Blue, and Green Filters
  • Orange, Red, and Yellow Filters
  • 1.25" Eyepiece Threads
$31300
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$995
In Stock
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$995
Special Order
Expected availability: 2-4 Weeks
No Store Display
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This item cannot be canceled or returned.
$1095
Special Order
Expected availability: 3-5 Weeks
No Store Display
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This item cannot be canceled or returned.
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