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  • ZWO LRGB Filter Set
    ZWO Astronomy Cameras ZWO LRGB 1.25" Filter Set - LRGB125
    $88.00
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  • ZWO Manual Filter Wheel
    ZWO Astronomy Cameras ZWO Five Position Manual Filter Wheel - 1.25" - FW
    $88.00
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  • ZWO IR Cut Filter - 1.25
    ZWO Astronomy Cameras ZWO 1.25" IR Cut-Off Filter - IRCUT1
    $22.00
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  • ZWO CH4 Methane Filter
    ZWO Astronomy Cameras ZWO 20nm CH4 Methane Band Filter - 1.25" - CH41
    $99.00
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  • ZWO Astronomy Cameras ZWO 850nm IR Pass Filter - 1.25" - IR850NM1
    $22.00
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  • ZWO Astronomy Cameras ZWO LRGB 1.25" Premium Filter Set - LRGB125NEW
    $148.00
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  • ZWO Astronomy Cameras ZWO LRGB Filter Set - 31mm Unmounted - LRGB-31
    $169.00
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  • ZWO Astronomy Cameras ZWO LRGB Filter Set - 36mm Unmounted - LRGB-36
    $199.00
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  • ZWO Astronomy Cameras ZWO H-Alpha 7nm CCD Filter - 1.25" - HA125
    $129.00
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  • ZWO Astronomy Cameras ZWO H-Alpha 7nm CCD Filter - 31mm - HA31
    $149.00
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  • ZWO Astronomy Cameras ZWO H-Alpha 7nm CCD Filter - 36mm - HA36
    $169.00
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  • ZWO Astronomy Cameras ZWO SII 7nm Filter - 1.25" - SII125
    $129.00
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    free shipping
  • ZWO Astronomy Cameras ZWO SII 7nm Filter - 31mm - SII31
    $149.00
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    free shipping
  • ZWO Astronomy Cameras ZWO SII 7nm Filter - 36mm - SII36
    $169.00
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  • ZWO Astronomy Cameras ZWO OIII 7nm Filter - 1.25" - OIII125
    $129.00
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    free shipping
  • ZWO Astronomy Cameras ZWO OIII 7nm Filter - 31mm - OIII31
    $149.00
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    free shipping
  • ZWO Astronomy Cameras ZWO OIII 7nm Filter - 36mm - OIII36
    $169.00
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    free shipping
  • ZWO Astronomy Cameras ZWO 36mm Narrowband Filter Set - OIII, Ha, SII - NBSET-36
    $479.00
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    free shipping
  • ZWO Astronomy Cameras ZWO 31mm Narrowband Filter Set - OIII, Ha, SII - NBSET-31
    $425.00
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    free shipping
  • ZWO Astronomy Cameras ZWO 1.25" Narrowband Filter Set - OIII, Ha, SII - NBSET-125
    $369.00
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    free shipping
  • ZWO 2
    ZWO Astronomy Cameras ZWO 2" IR-Cut Filter - IRCUT2
    $49.00
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  • ZWO Astronomy Cameras ZWO EFW Mini Electronic Five-Position Filter Wheel - 1.25"/31mm - EFWMINI
    $199.00
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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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