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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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  • Orion Orion Hydrogen-Beta Nebula 1.25" Filter - 05583
    $99.99 $79.99
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    No free shipping.
  • Orion Orion X-tra Narrowband Oxygen Three O-III 1.25" Filter - 5578
    $129.99 $103.99
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    No free shipping.
  • Thousand Oaks Optical Thousand Oaks LP-3 Nebula Filter Oxygen III - 1.25" - LP-325
    $89.00 $71.20
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    free shipping
  • Stellarvue Stellarvue 1.25" Color Balanced Chromatic Aberration Filter - XCLR1
    $79.00 $63.20
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    No free shipping.
  • Meade RGB-IR 1.25
    Meade Meade RGB-IR 1.25" Color Filter Set - 04530
    $49.99 $39.20
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    No free shipping.
  • Optolong Optolong SII CCD 12nm Filter - 1.25" Mounted - SIICCD12-125
    $129.00 $103.20
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    free shipping
  • Optolong UBVRI Filter Set
    Optolong Optolong UBVRI Filter Set - 1.25" Mounted - UBVRI-125
    $685.00 $548.00
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    free shipping
  • Explore Scientific 1.25
    Explore Scientific Explore Scientific 1.25" OIII Nebula Filter - 310205
    $89.99 $71.99
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    No free shipping.
  • ZWO Astronomy Cameras ZWO 1.25" Low Profile Clear Filter - LPFAR125
    $20.00 $16.00
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    No 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.
  • Apertura #8 Light Yellow Filter - 1.25
    Apertura Apertura #8 Light Yellow Filter - 1.25" - A-8F1
    $9.95
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    No free shipping.
  • Apertura #80A Medium Blue Filter - 1.25
    Apertura Apertura #80A Medium Blue Filter - 1.25" - A-80AF1
    $9.95
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    No free shipping.
  • Baader Planetarium Baader Planetarium 1.25" U-Filter - FUV-1
    $296.00 $236.80
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    free shipping
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