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Forget Spring Cleaning! We need to make some room in our warehouse before holiday shipments start rolling in!

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.

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Telescope Clearance

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  • Celestron Celestron LRGB Filter Set - 1.25" - 95517
    $279.95 $249.95
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    No free shipping.
  • Optolong Optolong OIII CCD 12nm Filter - 2" Mounted - OIIICCD12NM-200
    $179.00 $143.20
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    free shipping
  • Optolong Optolong SII CCD 12nm Filter - 1.25" Mounted - SIICCD12-125
    $129.00 $103.20
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    free shipping
  • Optolong Optolong SII CCD 12nm Filter - 2" Mounted - SIICCD12-200
    $209.00 $167.20
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    free shipping
  • Optolong Optolong IR Pass 850nm Filter - 1.25" Mounted - IRPS850-125
    $89.00 $57.85
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    free shipping
  • Optolong Optolong IR Pass 850nm Filter - 2" Mounted - IRPS850-200
    $130.00 $84.50
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    free shipping
  • Optolong Optolong OIII CCD 12nm Filter - 31mm Unmounted - OIIICCD12NM-31U
    $130.00 $99.95
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    free shipping
  • 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
  • ZWO Astronomy Cameras ZWO 1.25" Low Profile Clear Filter - LPFAR125
    $20.00 $18.00
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    No free shipping.
  • Astronomik Luminance Filter Type 2C - 50 mm Round Mounted
    Astronomik Filters Astronomik Luminance Filter Type 2C - 50 mm Round Mounted - L-50R
    $99.95 $84.95
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    free shipping
  • Celestron Celestron Mars Observing Telescope Accessory Kit - 94312
    $44.95 $39.95
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    No free shipping.
  • Celestron Celestron Deluxe Mars Observing Telescope Accessory Kit - 94314
    $79.95 $71.95
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    No free shipping.
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