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  • Orion Orion X-tra Narrowband Set of Three 1.25" Filters - 24609
    $349.99 $297.49
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  • Orion Orion X-tra Narrowband Oxygen Three O-III 1.25" Filter - 5578
    $129.99 $110.49
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  • Orion Orion X-tra Narrowband SII 1.25" Filter - 05579
    $129.99 $110.49
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  • Orion Orion X-tra Narrow Band H-Alpha 1.25" Filter - 05587
    $139.99
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  • Baader Planetarium H-Alpha 7 nm Narrowband CCD Filter - 1.25
    Baader Planetarium Baader H-Alpha 7 nm Narrowband CCD Filter - 1.25" - FHALN-1
    $199.00
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  • Baader Planetarium 2
    Baader Planetarium Baader H-Alpha 7 nm Narrowband CCD Filter - 2" Mounted - FHALN-2
    $309.00
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  • Baader H-Beta CCD Filter
    Baader Planetarium Baader 8.5 nm H-Beta Narrowband CCD Filter - FHBN-1
    $136.00
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  • Baader 8.5 nm H-Beta Filter
    Baader Planetarium Baader 8.5 nm H-Beta Narrowband CCD Filter - 2" Mounted - FHBN-2
    $219.00
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  • Baader Planetarium OIII 8.5 nm Narrowband Filter - 1.25
    Baader Planetarium Baader Planetarium OIII 8.5 nm Narrowband CCD Filter - 1.25" Mounted - FOIIIN-1
    $149.00
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  • Baader Planetarium 2
    Baader Planetarium Baader OIII 8.5 nm Narrowband CCD Filter - 2" Mounted - FOIIIN-2
    $227.00
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  • Baader Planetarium SII 8 nm Narrowband CCD Filter - 1.25
    Baader Planetarium Baader S-II 8 nm Narrowband CCD Filter - 1.25" Mounted - FSIIN-1
    $149.00
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  • Baader Planetarium 2
    Baader Planetarium Baader S-II 8 nm Narrowband CCD Filter - 2" Mounted - FSIIN-2
    $234.00
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  • Baader 1.25
    Baader Planetarium Baader 1.25" 889 nm Methane CCD Filter - FMTH-1
    $267.00
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  • Astronomik 12 nm SII CCD Filter - 1.25
    Astronomik Filters Astronomik SII 12 nm CCD Filter - 1.25" - SII-1
    $129.95
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  • Astronomik 2
    Astronomik Filters Astronomik SII 12 nm CCD Filter - 2" - SII-2
    $289.95
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  • Astronomik 1.25
    Astronomik Filters Astronomik H-Alpha 12 nm CCD Filter - 1.25" Round Mounted - HA12-1
    $129.95
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  • Astronomik 2
    Astronomik Filters Astronomik H-Alpha 12 nm CCD Filter - 2" Round Mounted - HA12-2
    $289.95
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  • Astronomik H-Alpha 12 nm EOS Clip Filter
    Astronomik Filters Astronomik H-Alpha 12 nm EOS Clip Filter - HA12-EOS
    $189.95
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  • Astronomik OIII 12 nm CCD Filter - 2
    Astronomik Filters Astronomik OIII 12 nm CCD Filter - 2" Round Mounted - OIIICCD-2
    $289.95
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  • Astronomik OIII 12 nm CCD Filter - 1.25
    Astronomik Filters Astronomik OIII 12 nm CCD Filter - 1.25" Round Mounted - OIIICCD-1
    $129.95
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  • Astronomik 12 nm OIII CCD Filter - EOS Clip
    Astronomik Filters Astronomik OIII 12 nm CCD Filter - EOS Clip - OIIICCD-EOS
    $189.95
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  • Astronomik Type 3 OWB EOS Clip Filter
    Astronomik Filters Astronomik OWB Filter - Type 3 - EOS Clip - OWBCCD-EOS
    $129.95
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  • Astronomik 6 nm H-Alpha Filter in 1.25
    Astronomik Filters Astronomik H-Alpha 6 nm CCD Filter - 1.25" Round Mounted - HA6-1
    $199.95
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  • Baader SII 8nm Narrowband Filter - 36 mm Round
    Baader Planetarium Baader S-II 8 nm Narrowband CCD Filter - 36 mm Unmounted - FSIIN-RD36
    $188.00
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  • Baader SII 8nm Narrowband Filter - 50.4 mm Round
    Baader Planetarium Baader S-II 8 nm Narrowband CCD Filter - 50.4 mm Unmounted - FSIIN-RD50
    $299.00
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  • Baader SII 8nm Narrowband Filter - 50 mm Square
    Baader Planetarium Baader S-II 8 nm Narrowband CCD Filter - 50 mm Square Unmounted - FSIIN-SQ50
    $360.00
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  • Baader SII 8nm Narrowband Filter - 65 mm Square
    Baader Planetarium Baader S-II 8 nm Narrowband CCD Filter - 65 mm Square Unmounted - FSIIN-SQ65
    $479.00
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  • Baader OIII 8.5 nm Filter - 36 mm Unmounted
    Baader Planetarium Baader OIII 8.5 nm Narrowband CCD Filter - 36 mm Unmounted - FOIIIN-RD36
    $182.00
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  • Baader OIII 8.5 nm Filter - 50 mm Round Unmounted
    Baader Planetarium Baader OIII 8.5 nm Narrowband CCD Filter - 50.4 mm Round Unmounted - FOIIIN-RD50
    $292.00
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  • Baader OIII 8.5 nm Filter - 50 mm Square Unmounted
    Baader Planetarium Baader OIII 8.5 nm Narrowband CCD Filter - 50 mm Square Unmounted - FOIIIN-SQ50
    $374.00
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  • Baader OIII 8.5 nm Filter - 65 mm Square Unmounted
    Baader Planetarium Baader OIII 8.5 nm Narrowband CCD Filter - 65 mm Square Unmounted - FOIIIN-SQ65
    $492.00
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  • Baader 36 mm H-alpha 7 nm Narrowband Filter
    Baader Planetarium Baader H-Alpha 7 nm Narrowband CCD Filter - 36 mm Unmounted - FHALN-RD36
    $195.00
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  • Baader 50.4 mm Round Unmounted H-alpha 7 nm Narrowband Filter
    Baader Planetarium Baader H-Alpha 7 nm Narrowband CCD Filter - 50.4 mm Round Unmounted - FHALN-RD50
    $354.00
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  • Baader 50 mm Square Unmounted H-alpha 7 nm Narrowband Filter
    Baader Planetarium Baader H-Alpha 7 nm Narrowband CCD Filter - 50 mm Square Unmounted - FHALN-SQ50
    $419.00
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  • Baader 65 mm Square Unmounted H-alpha 7 nm Narrowband Filter
    Baader Planetarium Baader H-Alpha 7 nm Narrowband CCD Filter - 65 mm Square Unmounted - FHALN-SQ65
    $523.00
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  • Baader H-alpha High Speed f/2 CCD Filter
    Baader Planetarium Baader f/2 High Speed H-Alpha CCD Filter - 1.25" Mounted - FHALHS-1
    $257.00
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  • Baader H-alpha High Speed f/2 CCD Filter
    Baader Planetarium Baader f/2 High Speed H-Alpha CCD Filter - 2" Mounted - FHALHS-2
    $389.00
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  • Baader OIII High Speed f/2 CCD Filter
    Baader Planetarium Baader f/2 High Speed OIII CCD Filter - 1.25" Mounted - FOIIIHS-1
    $213.00
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  • Baader OIII High Speed f/2 CCD Filter
    Baader Planetarium Baader f/2 High Speed OIII CCD Filter - 2" Mounted - FOIIIHS-2
    $329.00
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  • Baader SII High Speed f/2 CCD Filter
    Baader Planetarium Baader f/2 High Speed SII CCD Filter - 1.25" Mounted - FSIIHS-1
    $219.00
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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

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