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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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  • Celestron Celestron Microscope Cover Slips - 100 piece box - 44418
    $2.95 $2.49
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  • Celestron Celestron T-Adapter for SV60 Spotting Scope 93641
    $29.95 $23.00
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    No free shipping.
  • Kendrick Kendrick Astro Instruments Laser Collimator 2" Barlow Mask 2-BLM
    $18.95 $15.95
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    No free shipping.
  • Kendrick Kendrick FireFly Telrad Heater - 2003-FFR
    $30.95 $27.95
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    No free shipping.
  • Kendrick Kendrick FireFly 0.965" Eyepiece Heater - 2004-FFR
    $39.95 $29.95
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    No free shipping.
  • Kendrick Kendrick FireFly 1.25" Dew Heater - 2005-FFR
    $42.95 $38.95
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    No free shipping.
  • Kendrick Kendrick Dew-Guard 1" Electronic Secondary Mirror Heater - DG-1
    $55.95 $41.95
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    No free shipping.
  • Konus Konus Hobby 50 mm 3.5x Magnifying Glass - 3401
    $10.95 $6.00
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    No free shipping.
  • Konus Konus Photo Adapter for Microscope Model 5420 - 5124
    $24.95 $17.95
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    No free shipping.
  • Konus Konus Campus 1000x Stereo Biological Microscope - 5326
    $289.95 $240.00
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    free shipping
  • Orion Orion AC Adapter for Electronic Eyepiece - 08638
    $19.95 $15.95
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    No free shipping.
  • Celestron Celestron Binocular Harness Strap - 93577
    $19.95 $15.95
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    No free shipping.
  • Celestron Micro 360+ Microscope with 2 MP Imager
    Celestron Celestron Micro 360+ Microscope with 2 MP Imager - 44126
    $119.95 $95.95
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    free shipping
  • Celestron Celestron NexImage Burst Monochrome Imager - 95519
    $199.95 $179.95
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    free shipping
  • Orion Orion MicroXplore PC 300 TV/PC Microscope - 58142
    $79.95 $50.00
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    No free shipping.
  • Rigel 12.5mm Crosshair Eyepiece without Pulsguide
    Rigel Systems Rigel Systems 12.5 mm Plossl Crosshair Eyepiece Only
    $99.95 $89.95
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    No free shipping.
  • Stellarvue RM Dovetail Rail
    Stellarvue Stellarvue Medium Guidescope Dovetail Rail - 15" - RM
    $59.00 $55.00
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    No free shipping.
  • Starlight Xpress SuperStar - Front
    Starlight Xpress Starlight Xpress SuperStar High Res Autoguider & CCD Camera - Color
    $645.00 $619.95
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    free shipping
  • Stellarvue CA006 Digital Camera Adapter for 1.25
    Stellarvue Stellarvue CA6 Digiscope Adapter for 1.25" Eyepieces - CA006
    $39.00 $37.95
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    No free shipping.
  • Celestron Celestron Omni XLT AZ 114 mm Newtonian - 22151
    $299.95 $229.95
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    free shipping
  • Celestron MicroSpin Digital Microscope
    Celestron Celestron MicroSpin Digital Microscope - 44114
    $79.95 $69.95
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    No free shipping.
  • STE121
    Stellarvue Stellarvue 121mm Extension Tube for SV 2.5" Focuser - STE-M88.5-121
    $89.00
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    No free shipping.
  • Celestron Celestron Ambassador 50mm Brass Table Top Telescope - 22302
    $244.95 $229.95
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    free shipping
  • William Optics 2
    William Optics William Optics 2" RotoLock Eyepiece Adapter / Visual Back with 48mm Male Threads - D-ROTO-A2-M48M
    $99.00 $89.95
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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 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
  • William Optics 68II Field Flattener
    William Optics William Optics Flattener 68II - P-FLAT68II
    $588.00
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    free shipping
  • TeleVue 90º Enhanced Mirror Diagonal - 2
    Tele Vue Tele Vue 90º Enhanced Aluminum Diagonal - 2" - DSC-8001
    $216.00
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    free shipping
  • Nikon Adapter - Attaches to Canon EOS Adapter (not included)
    ZWO Astronomy Cameras ZWO Nikon AI to EOS Adapter - NIKON-EOS
    $18.00
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    No 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
  • ZWO Astronomy Cameras ZWO 21mm T2 to M48 Extension - T2-M48-18.5
    $18.00 $15.95
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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.
  • Celestron Celestron Smartphone Adapter - Ultima Duo to iPhone 6 Plus - 93693
    $59.95 $49.95
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    No free shipping.
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