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Save an extra 10% on a huge selection of astronomy & optical gear, from telescopes, eyepieces and imaging accessories to microscopes, binoculars & more! Remember, all of these items have already been marked down, but when you add the discount code "CLEAR10" in your shopping cart, you'll get an ADDITIONAL 10% OFF!

We have limited inventory on all of these clearance items, so don't delay, start shopping today.

Telescope Clearance

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  • Optolong SII Unmounted Filter
    Optolong Optolong SII CCD 12nm Filter - 31mm Unmounted - SIICCD12-31U
    $153.00 $125.00
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    free shipping
  • Optolong Optolong UBVRI Filter Set - 31mm Unmounted - UBVRI-31U
    $740.00 $481.00
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    free shipping
  • Optolong UVIR Cut Unmounted Filter
    Optolong Optolong UV-IR Cut Filter - 31mm Unmounted - UVIR-31U
    $55.00 $44.00
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    free shipping
  • Astronomik 31 mm Round H-Alpha 12 nm CCD Filter
    Astronomik Filters Astronomik H-Alpha 12 nm CCD Filter - 31 mm Round - HA12-31
    $169.95 $135.96
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    free shipping
  • Astronomik 6 nm H-Alpha Filter in 31 mm Format
    Astronomik Filters Astronomik H-Alpha 6 nm CCD Filter - 31 mm Round - HA6-31
    $249.95 $199.96
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    free shipping
  • Optolong Optolong 31mm Unmounted Filter Set with H-Alpha, SII, and OIII Filters - HASIIOIII-31U
    $540.00 $432.00
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    free shipping
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