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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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  • 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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  • 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 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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  • Baader SII High Speed f/2 CCD Filter
    Baader Planetarium Baader f/2 High Speed SII CCD Filter - 2" Mounted - FSIIHS-2
    $352.00
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  • Astronomik 31 mm Round SII 12 nm CCD Filter
    Astronomik Filters Astronomik SII 12 nm CCD Filter - 31 mm - SII-31
    $169.95
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  • Astronomik 1.25
    Astronomik Filters Astronomik SII 6 nm CCD Filter - 1.25" - SII6-1
    $199.95
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  • Astronomik SII 6 nm CCD EOS Clip Filter
    Astronomik Filters Astronomik SII 6 nm CCD EOS Clip Filter - SII6-EOS
    $289.95
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  • Astronomik SII 12 nm CCD Filter for Canon EOS Cameras
    Astronomik Filters Astronomik SII 12 nm CCD EOS Clip Filter - SII-EOS
    $189.95
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  • Astronomik SII 12 nm CCD Filter - 36 mm Round
    Astronomik Filters Astronomik SII 12 nm CCD Filter - 36 mm - SII-36
    $189.95
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  • Astronomik 50 mm Round SII 12 nm CCD Filter
    Astronomik Filters Astronomik SII 12 nm CCD Filter - 50 mm Round - SII-50R
    $299.95
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  • Astronomik SII 12 nm CCD Filter - SC Rear Cell
    Astronomik Filters Astronomik SII 12 nm CCD Filter - SCT Rear Cell - SII-SCT
    $289.95
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  • Astronomik SII 12 nm CCD Clip Filter - EOS XL Full Frame
    Astronomik Filters Astronomik SII 12 nm CCD EOS XL Full Frame Clip Filter - SII-EOSXL
    $319.95
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  • Astronomik 2
    Astronomik Filters Astronomik SII 6 nm CCD Filter - 2" - SII6-2
    $469.95
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  • Astronomik 31 mm Round SII 6 nm CCD Filter
    Astronomik Filters Astronomik SII 6 nm CCD Filter - 31 mm - SII6-31
    $249.95
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  • Astronomik SII 6 nm CCD Filter - 36 mm Round
    Astronomik Filters Astronomik SII 6 nm CCD Filter - 36 mm - SII6-36
    $289.95
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  • Astronomik 50 mm Round SII 6 nm CCD Filter
    Astronomik Filters Astronomik SII 6 nm CCD Filter - 50 mm Round - SII6-50R
    $469.95
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  • Astronomik SII 6 nm T-Mount CCD Filter
    Astronomik Filters Astronomik SII 6 nm CCD Filter - T-Mount - SII6-T
    $419.95
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  • Astronomik SII 6 nm CCD EOS XL Full Frame Clip Filter
    Astronomik Filters Astronomik SII 6 nm CCD EOS XL Full Frame Clip Filter - SII6-EOSXL
    $489.95
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  • Astronomik 50 mm x 50 mm SII 12 nm CCD Filter
    Astronomik Filters Astronomik SII 12 nm CCD Filter - 50 mm Square - SII-50SQ
    $329.95
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  • Astronomik SII 6 nm CCD 50 mm Square Filter
    Astronomik Filters Astronomik SII 6 nm CCD Filter - 50 mm Square - SII6-50SQ
    $499.95
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  • Astronomik SII 12 nm CCD T-Mount Filter
    Astronomik Filters Astronomik SII 12 nm CCD Filter - T-Mount - SII-T
    $269.95
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  • Astrodon Narrowband Filters
    Astrodon Astrodon 5 nm SII Narrowband Filter - 49.7 mm Round Unmounted - SII5-50R
    $870.00
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  • Astrodon Narrowband Filters
    Astrodon Astrodon 5 nm SII Narrowband Filter - 49.7 mm Square Unmounted - SII5-50S
    $1,024.00
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  • Astronomik SII 12 nm CCD Filter - EOS-M Clip
    Astronomik Filters Astronomik SII 12 nm CCD EOS M Clip Filter - SII-EOS-M
    $209.95
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  • Astronomik SII 12 nm CCD Clip Filter for Sony Alpha 7 Series Cameras
    Astronomik Filters Astronomik SII 12 nm CCD Sony Alpha 7 Clip Filter - SII-SONY
    $329.95
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  • Astronomik SII 6 nm CCD Filter - SC Rear Cell
    Astronomik Filters Astronomik SII 6 nm CCD Filter - SC Rear Cell - SII6-SCT
    $479.95
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  • Astronomik 27 mm Round 12 nm SII CCD Filter
    Astronomik Filters Astronomik SII 12 nm CCD Filter - 27 mm Round - SII-27
    $129.95
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  • Astronomik 27 mm Round SII 6 nm CCD Filter
    Astronomik Filters Astronomik SII 6 nm CCD Filter - 27 mm Round - SII6-27
    $199.95
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  • Astrodon Narrowband Filters
    Astrodon Astrodon 5 nm SII Narrowband Filter - 1.25" Threaded Cell - SII5-27R
    $380.00
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  • Astrodon Narrowband Filters
    Astrodon Astrodon 3 nm SII Narrowband Filter - 1.25" Threaded Cell - SII3-27R
    $564.00
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  • Astrodon Narrowband Filters
    Astrodon Astrodon 3 nm SII Narrowband Filter - 49.7 mm Square Unmounted - SII3-50S
    $1,438.00
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  • Astrodon SII 5 nm Narrowband Filter - 31 mm Unthreaded
    Astrodon Astrodon 5 nm SII Narrowband Filter - 31 mm Unthreaded Insert - SII5-31R
    $390.00
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  • Astrodon Narrowband Filters
    Astrodon Astrodon 3 nm SII Narrowband Filter - 31 mm Unthreaded Insert - SII3-31R
    $574.00
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  • Optolong Optolong SII CCD 12nm Filter - 1.25" Mounted - SIICCD12-125
    $129.00 $103.20
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High Point Scientific carries the most popular telescope brands among astronomy enthusiasts, including Celestron, Baader Planetarium, Orion, and many more. We also design our own astronomy products under the High Point brand, to give you the best selection of products at the price you’re looking for.


We work directly with manufacturers to give you a wide selection of products from many other brands like Meade, TeleVue, Explore Scientific, Coronado, and iOptron. While we have dedicated many hours researching what telescope brands you - our customers - are looking for, we encourage you to explore up and coming brands on our website such as William Optics, Pentax, SkyWatcher, and Stellarvue.


High Point Scientific offers many of the latest brands to choose from for telescope accessories. Just a few of these brands include AstroZap, ADM Accessories, Losmandy, Takahashi, and JMI. It’s important to make sure you have the correct accessories for your aspirations and budget and our experts are here to make sure you find them.


Astro-imaging is a growing industry, not just for photographers, but for astronomy hobbyists as well. With so many quality, affordable products, it’s easy to see why! Brands like QSI, ZWO, and QHY have designed some of the best astrophotography cameras in the industry, and we have them right here at High Point!

High Point Scientific is rated 4.9/5 based on 1347 reviews

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