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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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  • Spectrum Telescope 254 mm ID Full Aperture Glass Solar Filter
    Spectrum Telescope Spectrum Full Aperture Glass Solar Filter for 244 mm - 251 mm OD Telescopes - ST1000G
    $132.00 $105.60
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    No free shipping.
  • Spectrum Full Aperture Glass Solar Filter for 257 mm - 264 mm Outside Diameter Telescopes - 266 mm ID
    Spectrum Telescope Spectrum Full Aperture Glass Solar Filter for 257 mm - 264 mm OD Telescopes - ST1050G
    $132.00 $105.60
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    No free shipping.
  • Spectrum Full Aperture Glass Solar Filter for 321 mm - 327 mm OD Telescopes
    Spectrum Telescope Spectrum Full Aperture Glass Solar Filter for 321 mm - 327 mm OD Telescopes - ST1300G
    $182.00 $145.60
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    No free shipping.
  • Spectrum 349 mm ID Full Aperture Glass Solar Filter
    Spectrum Telescope Spectrum Full Aperture Glass Solar Filter for 340 mm - 346 mm OD Telescopes - ST1375G
    $182.00 $145.60
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    No free shipping.
  • Spectrum Telescope Full Aperture Glass Solar Filter with 387 mm Inside Diameter
    Spectrum Telescope Spectrum Full Aperture Glass Solar Filter for 378 mm - 384 mm OD Telescopes - ST1525G
    $182.00 $145.60
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    No free shipping.
  • Spectrum Telescope 400 mm ID Full Aperture Glass Solar Filter
    Spectrum Telescope Spectrum Full Aperture Glass Solar Filter for 391 mm - 397 mm OD Telescopes - ST1575G
    $202.00 $161.60
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    free shipping
  • Spectrum Full Aperture Glass Solar Filter for 397 mm - 403 OD Telescopes
    Spectrum Telescope Spectrum Full Aperture Glass Solar Filter for 397 mm - 403 mm OD Telescopes - ST1600G
    $202.00 $161.60
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    free shipping
  • Spectrum Telescope Thread-On Solar Film Filter for 40.5 mm Camera Lens
    Spectrum Telescope Spectrum 40.5 mm Threaded Optical Solar Film Filter - ST-40.5MM
    $49.00 $39.20
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    No free shipping.
  • Spectrum Telescope Threaded Optical Solar Film Filter for 43 mm Camera Lens
    Spectrum Telescope Spectrum 43 mm Threaded Optical Solar Film Filter - ST-43MM
    $49.00 $39.20
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    No free shipping.
  • Spectrum Telescope Thread-On Solar Film Filter for 46 mm Camera Lens
    Spectrum Telescope Spectrum 46 mm Threaded Optical Solar Film Filter - ST-46MM
    $49.00 $39.20
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    No free shipping.
  • Spectrum 49 mm Threaded Camera Solar Film Filter
    Spectrum Telescope Spectrum 49 mm Threaded Optical Solar Film Filter - ST-49MM
    $49.00 $39.20
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    No free shipping.
  • Spectrum 52 mm Threaded Camera Solar Film Filter
    Spectrum Telescope Spectrum 52 mm Threaded Optical Solar Film Filter - ST-52MM
    $52.00 $41.60
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    No free shipping.
  • Spectrum Telescope Thread-On Solar Film Filter for 55 mm Camera Lenses
    Spectrum Telescope Spectrum 55 mm Threaded Optical Solar Film Filter - ST-55MM
    $52.00 $41.60
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    No free shipping.
  • Spectrum Threaded Optical Solar Film Filter - 67 mm
    Spectrum Telescope Spectrum 67 mm Threaded Optical Solar Film Filter - ST-67MM
    $55.00 $44.00
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    No free shipping.
  • Spectrum Thread-On Optical Solar Film Filter for 77 mm Camera Lens
    Spectrum Telescope Spectrum 77 mm Threaded Optical Solar Film Filter - ST-77MM
    $69.00 $55.20
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    No free shipping.
  • Spectrum Telescope 82 mm Thread-On Solar Film Filter
    Spectrum Telescope Spectrum 82 mm Threaded Optical Solar Film Filter - ST-82MM
    $69.00 $55.20
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    No free shipping.
  • Spectrum Full Aperture Glass Solar Filter for 41 mm - 48 mm Outside Diameter Telescopes
    Spectrum Telescope Spectrum Full Aperture Glass Solar Filter for 41 mm - 48 mm OD Telescopes - ST200G
    $62.00 $49.60
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    No free shipping.
  • Spectrum Telescope Full Aperture Glass Solar Filter with 247 mm Inside Diameter
    Spectrum Telescope Spectrum Full Aperture Glass Solar Filter for 238 mm - 244 mm OD Telescopes - ST975G
    $132.00 $105.60
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    No free shipping.
  • Spectrum Thread-On Solar Film Filter for 37 mm Camera Lens
    Spectrum Telescope Spectrum 37 mm Threaded Optical Solar Film Filter - ST-37MM
    $49.00 $39.20
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    No free shipping.
  • Spectrum Chromium Solar Film - ST400CBP1
    Spectrum Telescope Spectrum Chromium Solar Film - ST400CBP1
    $59.00 $41.30
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    No free shipping.
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