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  • Lumicon Lumicon 1.25" Ultra High Contrast (UHC) Filter - LF3025
    $99.95
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    free shipping
  • Orion Orion Variable Polarizing Moon 1.25" Filter - 05560
    $29.99
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    No free shipping.
  • Baader Planetarium Moon & Skyglow Filter - 2
    Baader Planetarium Baader Planetarium 2" Moon and Skyglow Filter - FMS-2
    $132.00
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    No free shipping.
  • Orion Orion SkyGlow Broadband Light Pollution Reduction Filter 2" - 05659
    $69.99
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    No free shipping.
  • Thousand Oaks Optical Thousand Oaks LP-1 Broadband Nebula Filter - 1.25" - LP-125
    $89.00
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    free shipping
  • Lumicon Lumicon Oxygen III (OIII) 2" Filter - LF3045
    $199.95
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    free shipping
  • Celestron 2
    Celestron Celestron Ultra High Contrast (UHC) Light Pollution Reduction 2" Filter - 94124
    $109.95 $92.95
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    No free shipping.
  • Baader Planetarium Fringe Killer Filter - 1.25
    Baader Planetarium Baader Planetarium 1.25" Fringe Killer Filter - FFK-1
    $78.00
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    No free shipping.
  • High Point High Point 1.25" Moon Filter - MF1
    $10.95
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    No free shipping.
  • Orion Orion 1.25" LRGB Filter Set - 05563
    $149.99
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    No free shipping.
  • Thousand Oaks Optical Thousand Oaks LP-3 Oxygen III Nebula Filter - 2" - LP-348
    $179.00
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    free shipping
  • Orion Orion 1.25" Jupiter Observation Eyepiece Filter - 05188
    $19.99
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    No free shipping.
  • Lumicon Lumicon 1.25" Comet Filter - LF3070
    $99.95
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    free shipping
  • Baader Planetarium Semi APO Filter - 2
    Baader Planetarium Baader Planetarium 2" Semi-APO Filter - FSAPO-2
    $147.00
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    No free shipping.
  • High Point High Point 1.25" Neutral Density Filter 13% Transmission - ND96-0.9 - ND91
    $9.95
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    No free shipping.
  • Baader Planetarium Baader LRGB CCD Filter Set - 2" Mounted - FLRGB-2
    $619.00
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    No free shipping.
  • Orion Orion SkyGlow Imaging 1.25" Filter - 05559
    $99.99
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    No free shipping.
  • Lumicon Lumicon 2" Minus Violet Filter - LF3125
    $80.00
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    No free shipping.
  • Baader Planetarium Baader UV IR-Cut L Filter - 2" Mounted - FUVIR-2
    $132.00
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    No free shipping.
  • Lumicon Lumicon 2" Deep Sky Filter - LF3015
    $199.95
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    free shipping
  • Meade Meade 1.25" #1 Color Filter Set - 07530
    $49.99 $34.99
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    free shipping
  • Orion Orion Ultrablock Narrowband Light Pollution Reduction Filter 2" - 05657
    $99.99
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    No free shipping.
  • Thousand Oaks Optical Thousand Oaks LP-2 Narrowband Nebula Filter - 1.25" - LP-225
    $89.00
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    free shipping
  • iOptron Green Moon Filter
    iOptron iOptron Green Moon Filter - TFE100
    $14.00
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  • Baader Planetarium Contrast Boost Filter - 1.25
    Baader Planetarium Baader Planetarium 1.25" Contrast Booster Filter - FCB-1
    $81.00
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    No free shipping.
  • Baader Planetarium Contrast Boost Filter - 2
    Baader Planetarium Baader Planetarium 2" Contrast Booster Filter - FCB-2
    $123.00
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    No free shipping.
  • Baader Planetarium 6-Piece Eyepiece Color Filter Set - 1.25
    Baader Planetarium Baader Planetarium 1.25" Six Piece Eyepiece Filter Set - FCFS-1
    $199.00
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  • Baader Planetarium 6-Piece Eyepiece Color Filter Set - 2
    Baader Planetarium Baader Planetarium 2" Six Piece Eyepiece Filter Set - FCFS-2
    $319.00
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    No free shipping.
  • Baader Planetarium Fringe Killer Filter - 2
    Baader Planetarium Baader Planetarium 2" Fringe Killer Filter - FFK-2
    $119.00
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    No free shipping.
  • Baader Planetarium 1.25
    Baader Planetarium Baader Planetarium 1.25" IR Pass (685 nm) Filter - FIRP-1
    $91.00
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    No free shipping.
  • Baader Planetarium 2
    Baader Planetarium Baader Planetarium 2" IR Pass (685 nm) Filter - FIRP-2
    $144.00
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    No free shipping.
  • Baader Planetarium Baader LRGB CCD Filter Set - 1.25" Mounted - FLRGB-1
    $379.00
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    free shipping
  • Baader Planetarium Moon & Skyglow Filter - 1.25
    Baader Planetarium Baader Planetarium 1.25" Moon & Skyglow Filter - FMS-1
    $79.00
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  • Baader Planetarium Baader Planetarium 2" ND 0.6 Neutral Density Filter - FND0-2
    $68.00
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    No free shipping.
  • Baader Planetarium Baader Planetarium 1.25" ND 0.9 Neutral Density Filter - FND1-1
    $41.00
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    No free shipping.
  • Baader Planetarium Baader Planetarium 2" ND 0.9 Neutral Density Filter - FND1-2
    $68.00
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    No free shipping.
  • Baader Planetarium ND 1.8 Neutral Density Filter - 1.25
    Baader Planetarium Baader Planetarium 1.25" ND 1.8 Neutral Density Filter - FND2-1
    $41.00
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    No free shipping.
  • Baader Planetarium Baader Planetarium 2" ND 1.8 Neutral Density Filter - FND2-2
    $68.00
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    No free shipping.
  • Baader Planetarium Baader Planetarium 1.25" ND 3.0 Neutral Density Filter - FND3-1
    $41.00
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    No free shipping.
  • Baader Planetarium Baader Planetarium 2" ND 3.0 Neutral Density - FND3-2
    $68.00
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    No free shipping.
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Your new telescope finally arrived- you opened the box and assembled the scope as carefully as you can. Once darkness falls, the first thing you do is point it up at the Moon and look into the eyepiece. Wow. But if you can imagine, the Moon actually can appear better than that when properly filtered. Telescopes have the ability to attach filters for many different purposes - some of the most common filters are for looking at the Moon, Planets, and Sun.


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.


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.

High Point Scientific is rated 4.9/5 based on 1347 reviews
Shop By Category
Category
  1. Deep Sky Filters
  2. Lunar & Planetary Filters
  3. Correction Filters
  4. Imaging Filters
  5. Filter Accessories
Manufacturer
  1. Astrodon
  2. Astronomik Filters
  3. Atik Cameras
  4. Baader Planetarium
  5. Celestron
  6. DayStar Filters
  7. Explore Scientific
  8. High Point
  9. iOptron
  10. Lumicon
  11. Meade
  12. Optolong
  13. Orion
  14. QHY
  15. Star Dust Covers
  16. Starizona
  17. Stellarvue
  18. Tele Vue
  19. Thousand Oaks Optical
  20. Zhumell
  21. ZWO Astronomy Cameras
Shop By Category
Filter Shape
  1. Round
  2. Square
  3. EOS Clip
  4. Sony Clip
Filter Wheel - Number of Positions
  1. Five (5)
  2. Seven (7)
  3. Nine (9)
  4. Customer Choice
Filter Type
  1. Broadband Deep-Sky
  2. Clear/Protection
  3. Color Correction/Contrast
  4. Light Pollution
  5. LRGB Imaging
  6. Midband Imaging
  7. Moon/ND/Polarizing
  8. Narrowband Deep-Sky
  9. Narrowband Imaging
  10. Planetary Color
  11. UV/IR and/or Luminance
  12. Wideband Imaging
Filter Size
  1. 27 mm
  2. 31 mm
  3. 31.75 mm (1.25")
  4. 36 mm
  5. 43 mm
  6. 50 mm
  7. 50.4 mm
  8. 50.8 mm (2")
  9. 65 mm
  10. 72 mm RASA
  11. 77 mm
  12. 82 mm
  13. 100 mm & Up
  14. SCT Rear Cell
  15. EOS APS Clip
  16. EOS Full Frame Clip
  17. EOS M Clip
  18. EOS XT APS Clip
  19. M42 x 0.75 mm (T-Thread)
  20. Sony Alpha 7 Clip
Filter - Single or Set?
  1. Filter Set
  2. Single Filter
Type of Filter Accessory
  1. Filter Adapters
  2. Filter Holders
  3. Filter Wheels
  4. Filter Carousels
  5. Filter Sliders
  6. Filter Cases
Filter Wheel/Carousel Size
  1. 1.25"
  2. 2"
  3. 36mm Round
  4. 50mm Round
  5. 50mm Square
Price
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