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Are you ready for the total solar eclipse on April 8? Click to shop all solar gear!
Are you ready for the total solar eclipse on April 8? Click to shop all solar gear!

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  • Nebula Filter Oxygen III 2.0-inch
    Nebula Filter Oxygen III 2.0-inch
    Original price $ 144.19 - Original price $ 144.19
    Original price
    $ 144.19
    $ 144.19 - $ 144.19
    Current price $ 144.19

    Nebula Filter Oxygen III 2.0-inch

    Explore Scientific

    Explore Scientific Nebula Filter 1.25" O-III Range from 483nm to 511nm with peak at 496nm. Transmission 96.7% Oxygen III - This is the highest cont...

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    Original price $ 144.19 - Original price $ 144.19
    Original price
    $ 144.19
    $ 144.19 - $ 144.19
    Current price $ 144.19
  • Nebula Filter Oxygen III 1.25-inch
    Nebula Filter Oxygen III 1.25-inch
    Original price $ 113.29 - Original price $ 113.29
    Original price
    $ 113.29
    $ 113.29 - $ 113.29
    Current price $ 113.29

    Nebula Filter Oxygen III 1.25-inch

    Explore Scientific

    Explore Scientific Nebula Filter 1.25" O-III Range from 483nm to 511nm with peak at 496nm. Transmission 96.7% Oxygen III - This is the highest cont...

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    Original price $ 113.29 - Original price $ 113.29
    Original price
    $ 113.29
    $ 113.29 - $ 113.29
    Current price $ 113.29
  • Nebula Filter UHC 1.25-inch
    Nebula Filter UHC 1.25-inch
    Original price $ 113.29 - Original price $ 113.29
    Original price
    $ 113.29
    $ 113.29 - $ 113.29
    Current price $ 113.29

    Nebula Filter UHC 1.25-inch

    Explore Scientific

    Explore Scientific Nebula Filter 1.25" UHC Range from 458nm to 508nm with peak at 488nm. Transmission 96.7% UHC - This is an ultra-high contrast na...

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    Original price $ 113.29 - Original price $ 113.29
    Original price
    $ 113.29
    $ 113.29 - $ 113.29
    Current price $ 113.29
  • Nebula Filter CLS 2.0-inch
    Nebula Filter CLS 2.0-inch
    Original price $ 123.59 - Original price $ 123.59
    Original price
    $ 123.59
    $ 123.59 - $ 123.59
    Current price $ 123.59

    Nebula Filter CLS 2.0-inch

    Explore Scientific

    Explore Scientific Nebula Filter 1.25" CLS Range from 436nm to 536nm with peak at 488nm. Transmission 98.3% This is a general-purpose light-pollut...

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    Original price $ 123.59 - Original price $ 123.59
    Original price
    $ 123.59
    $ 123.59 - $ 123.59
    Current price $ 123.59
  • Nebula Filter CLS 1.25-inch
    Nebula Filter CLS 1.25-inch
    Original price $ 113.29 - Original price $ 113.29
    Original price
    $ 113.29
    $ 113.29 - $ 113.29
    Current price $ 113.29

    Nebula Filter CLS 1.25-inch

    Explore Scientific

    Explore Scientific Nebula Filter 1.25" CLS Range from 436nm to 536nm with peak at 488nm. Transmission 98.3% This is a general-purpose light-polluti...

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    Original price $ 113.29 - Original price $ 113.29
    Original price
    $ 113.29
    $ 113.29 - $ 113.29
    Current price $ 113.29
  • Nebula Filter H-Beta 2.0-inch
    Nebula Filter H-Beta 2.0-inch
    Original price $ 185.39 - Original price $ 185.39
    Original price
    $ 185.39
    $ 185.39 - $ 185.39
    Current price $ 185.39

    Nebula Filter H-Beta 2.0-inch

    Explore Scientific

    Explore Scientific Nebula Filter 1.25" H-Beta Range from 478nm to 496nm with peak at 489nm. Transmission 94.5% H-Beta - Hydrogen is the most abunda...

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    Original price $ 185.39 - Original price $ 185.39
    Original price
    $ 185.39
    $ 185.39 - $ 185.39
    Current price $ 185.39
  • Nebula Filter H-Beta 1.25-inch
    Nebula Filter H-Beta 1.25-inch
    Original price $ 133.89 - Original price $ 133.89
    Original price
    $ 133.89
    $ 133.89 - $ 133.89
    Current price $ 133.89

    Nebula Filter H-Beta 1.25-inch

    Explore Scientific

    Explore Scientific Nebula Filter 1.25" H-Beta Range from 478nm to 496nm with peak at 489nm. Transmission 94.5% H-Beta - Hydrogen is the most abunda...

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    Original price $ 133.89 - Original price $ 133.89
    Original price
    $ 133.89
    $ 133.89 - $ 133.89
    Current price $ 133.89
  • Neutral Density Filter 1.25" ND 0.9
    Neutral Density Filter 1.25" ND 0.9
    Original price $ 51.49 - Original price $ 51.49
    Original price
    $ 51.49
    $ 51.49 - $ 51.49
    Current price $ 51.49

    Neutral Density Filter 1.25" ND 0.9

    Explore Scientific

    The neutral density filter transmits light uniformly across the entire visual spectrum. It serves as an excellent filter to reduce glare and irradi...

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    Original price $ 51.49 - Original price $ 51.49
    Original price
    $ 51.49
    $ 51.49 - $ 51.49
    Current price $ 51.49
  • Explore Scientific 2" Adapter for FFFR507X-00
    Explore Scientific 2" Adapter for FFFR507X-00
    Original price $ 92.69 - Original price $ 92.69
    Original price
    $ 92.69
    $ 92.69 - $ 92.69
    Current price $ 92.69

    Explore Scientific 2" Adapter for FFFR507X-00

    Explore Scientific

    Description This adapter allows you to attach the 3-inch 0.7X Field Flattener Focal Reducer (FFFR507X-00) on optical tubes with a 2-inch focuser. ...

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    Original price $ 92.69 - Original price $ 92.69
    Original price
    $ 92.69
    $ 92.69 - $ 92.69
    Current price $ 92.69
  • Explore Scientific 50mm (2") T2 Camera Adapter 510365
    Explore Scientific 50mm (2") T2 Camera Adapter 510365
    Original price $ 61.79 - Original price $ 61.79
    Original price
    $ 61.79
    $ 61.79 - $ 61.79
    Current price $ 61.79

    Explore Scientific 50mm (2") T2 Camera Adapter 510365

    Explore Scientific

    Description Explore Scientific’s 50mm (2") T2 Camera Adapter is perfect for all DSLR cameras to attach to any telescope with a 2-inch or larger fo...

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    Original price $ 61.79 - Original price $ 61.79
    Original price
    $ 61.79
    $ 61.79 - $ 61.79
    Current price $ 61.79
  • Explore Scientific Extension Ring Set M48x0.75 - 5 pieces (30, 20, 15, 10 and 5 mm)
    Explore Scientific Extension Ring Set M48x0.75 - 5 pieces (30, 20, 15, 10 and 5 mm)
    Original price $ 72.09 - Original price $ 72.09
    Original price
    $ 72.09
    $ 72.09 - $ 72.09
    Current price $ 72.09

    Explore Scientific Extension Ring Set M48x0.75 - 5 pieces (30, 20, 15, 10 and 5 mm)

    Explore Scientific

    Features Extension sleeves M48x0,75 in set Five extension sleeves: 30, 20, 15, 10, 5 mm Use with correctors and field flatteners Distance adjustm...

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    Original price $ 72.09 - Original price $ 72.09
    Original price
    $ 72.09
    $ 72.09 - $ 72.09
    Current price $ 72.09
  • Explore Scientific T2 Reduction Adapter M48x0.75 to M42x0.75
    Original price $ 37.07 - Original price $ 37.07
    Original price
    $ 37.07
    $ 37.07 - $ 37.07
    Current price $ 37.07

    Explore Scientific T2 Reduction Adapter M48x0.75 to M42x0.75

    Explore Scientific

    Features Connection of accessories with different T2 thread sizes Adaptation of 2 inch color and nebula filters between camera and telescope Inte...

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    Original price $ 37.07 - Original price $ 37.07
    Original price
    $ 37.07
    $ 37.07 - $ 37.07
    Current price $ 37.07
  • Explore Scientific Camera-Ring M48x0.75 for Nikon
    Explore Scientific Camera-Ring M48x0.75 for Nikon
    Original price $ 30.89 - Original price $ 30.89
    Original price
    $ 30.89
    $ 30.89 - $ 30.89
    Current price $ 30.89

    Explore Scientific Camera-Ring M48x0.75 for Nikon

    Explore Scientific

    Features Camera-specific bayonet adapter Canon EOS Large female thread M48x0.75 mm Free inner diameter of 41,2mm No vignetting for full format se...

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    Original price $ 30.89 - Original price $ 30.89
    Original price
    $ 30.89
    $ 30.89 - $ 30.89
    Current price $ 30.89
  • M48x0.75 Adapter for 2.5 HEX
    M48x0.75 Adapter for 2.5 HEX
    Original price $ 61.79 - Original price $ 61.79
    Original price
    $ 61.79
    $ 61.79 - $ 61.79
    Current price $ 61.79

    M48x0.75 Adapter for 2.5 HEX Focuser

    Explore Scientific

    Specs Item Number: 625801 Warranty Limited Warranty is one year, which converts to the Explore STAR Transferable Extended Life of the Product Wa...

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    Original price $ 61.79 - Original price $ 61.79
    Original price
    $ 61.79
    $ 61.79 - $ 61.79
    Current price $ 61.79
  • Explore Scientific EXOS2-GT Equatorial Mount with PMC-Eight GoTo System
    Explore Scientific EXOS2-GT Equatorial Mount with PMC-Eight GoTo System
    Original price $ 1,029.99 - Original price $ 1,029.99
    Original price
    $ 1,029.99
    $ 1,029.99 - $ 1,029.99
    Current price $ 1,029.99

    Explore Scientific EXOS2-GT Equatorial Mount with PMC-Eight GoTo System

    Explore Scientific

    DISCONTINUED 2022 *Note that this is a discontinued product. This legacy information is for reference only. See the new Explore Scientific EXOS2-GT...

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    Original price $ 1,029.99 - Original price $ 1,029.99
    Original price
    $ 1,029.99
    $ 1,029.99 - $ 1,029.99
    Current price $ 1,029.99
  • BT-70 SF Large Binoculars with 62 Degree LER Eyepieces
    BT-70 SF Large Binoculars with 62 Degree LER Eyepieces
    Original price $ 1,647.99 - Original price $ 1,647.99
    Original price
    $ 1,647.99
    $ 1,647.99 - $ 1,647.99
    Current price $ 1,647.99

    BT-70 SF Large Binoculars with 62 Degree LER Eyepieces

    Explore Scientific

    Features Powerful large binoculars with a 70 mm objective diameter and 400 mm focal length Observe the moon, the planets and bright deep sky obje...

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    Original price $ 1,647.99 - Original price $ 1,647.99
    Original price
    $ 1,647.99
    $ 1,647.99 - $ 1,647.99
    Current price $ 1,647.99
  • Explore Scientific AR102 Air-Spaced Doublet Refractor - DAR102065-01
    Explore Scientific AR102 Air-Spaced Doublet Refractor - DAR102065-01
    Original price $ 617.99 - Original price $ 617.99
    Original price
    $ 617.99
    $ 617.99 - $ 617.99
    Current price $ 617.99

    Explore Scientific AR102 Air-Spaced Doublet Refractor - DAR102065-02

    Explore Scientific

    Description The Explore Scientific AR Air-Spaced Doublet Series telescopes are classic air-spaced, crown-and-flint, doublet achromatic f/6.5 refra...

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    Original price $ 617.99 - Original price $ 617.99
    Original price
    $ 617.99
    $ 617.99 - $ 617.99
    Current price $ 617.99
  • Explore Scientific AR127 Air-Spaced Doublet Refractor Telescope - DAR127065-02
    Explore Scientific AR127 Air-Spaced Doublet Refractor Telescope - DAR127065-02
    Original price $ 772.49 - Original price $ 772.49
    Original price
    $ 772.49
    $ 772.49 - $ 772.49
    Current price $ 772.49

    Explore Scientific AR127 Air-Spaced Doublet Refractor Telescope - DAR127065-02

    Explore Scientific

    Description The Explore Scientific AR127 Air-Spaced Doublet is a classic air-spaced, crown-and-flint, doublet achromatic refractor, reborn with th...

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    Original price $ 772.49 - Original price $ 772.49
    Original price
    $ 772.49
    $ 772.49 - $ 772.49
    Current price $ 772.49
  • ED80 Telescope Case
    ED80 Telescope Case
    Original price $ 236.89 - Original price $ 236.89
    Original price
    $ 236.89
    $ 236.89 - $ 236.89
    Current price $ 236.89

    ED80 Telescope Case

    Explore Scientific

    Description Your telescope is much more than an observation aid. It is your personal pathway to the stars, and protecting it while it is in storag...

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    Original price $ 236.89 - Original price $ 236.89
    Original price
    $ 236.89
    $ 236.89 - $ 236.89
    Current price $ 236.89
  • Explore Scientific 99% Reflective 2" Diagonal
    Explore Scientific 99% Reflective 2" Diagonal
    Original price $ 205.99 - Original price $ 205.99
    Original price
    $ 205.99
    $ 205.99 - $ 205.99
    Current price $ 205.99

    Explore Scientific 99% Reflective 2" Diagonal

    Explore Scientific

    Description The Explore Scientific 2-inch Dielectric-Coated Diagonal Mirror comes complete with 1.25-inch Adapter and dust covers. Solid construct...

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    Original price $ 205.99 - Original price $ 205.99
    Original price
    $ 205.99
    $ 205.99 - $ 205.99
    Current price $ 205.99
  • Explore Scientific 99% Reflective 3" Diagonal
    Explore Scientific 99% Reflective 3" Diagonal
    Original price $ 607.69 - Original price $ 607.69
    Original price
    $ 607.69
    $ 607.69 - $ 607.69
    Current price $ 607.69

    Explore Scientific 99% Reflective 3" Diagonal

    Explore Scientific

    Description The Explore Scientific 3-inch Dielectric-Coated Diagonal Mirror comes complete with 2 inch Adapter and dust covers. Solid construction...

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    Original price $ 607.69 - Original price $ 607.69
    Original price
    $ 607.69
    $ 607.69 - $ 607.69
    Current price $ 607.69
  • Dobsonian Shroud for 10" and 12" Truss Tube DOB Telescope
    Dobsonian Shroud for 10" and 12" Truss Tube DOB Telescope
    Original price $ 88.57 - Original price $ 88.57
    Original price
    $ 88.57
    $ 88.57 - $ 88.57
    Current price $ 88.57

    Dobsonian Shroud for 10" and 12" Truss Tube DOB Telescope

    Explore Scientific

    Description Keep out stray and unwanted light from your 10" and 12" Truss Tube Dobsonian telescope with a lightweight light shroud. Keeping the pa...

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    Original price $ 88.57 - Original price $ 88.57
    Original price
    $ 88.57
    $ 88.57 - $ 88.57
    Current price $ 88.57
  • Dobsonian Shroud for 16" Truss Tube DOB Telescope
    Dobsonian Shroud for 16" Truss Tube DOB Telescope
    Original price $ 129.77 - Original price $ 129.77
    Original price
    $ 129.77
    $ 129.77 - $ 129.77
    Current price $ 129.77

    Dobsonian Shroud for 16" Truss Tube DOB Telescope

    Explore Scientific

    Description Keep out stray and unwanted light from your 16" Truss Tube Dobsonian telescope with a lightweight light shroud. Keeping the path dark ...

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    Original price $ 129.77 - Original price $ 129.77
    Original price
    $ 129.77
    $ 129.77 - $ 129.77
    Current price $ 129.77
  • Counterweight Set for Truss Tube Telescope DOB - DOB-CW
    Counterweight Set for Truss Tube Telescope DOB - DOB-CW
    Original price $ 51.49 - Original price $ 51.49
    Original price
    $ 51.49
    $ 51.49 - $ 51.49
    Current price $ 51.49

    Counterweight Set for Truss Tube Telescope DOB - DOB-CW

    Explore Scientific

    Description This set of counterweights attaches to the rear of the primary mirror box with included nut and washer. Simply remove the rubber stopp...

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    Original price $ 51.49 - Original price $ 51.49
    Original price
    $ 51.49
    $ 51.49 - $ 51.49
    Current price $ 51.49