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Eyepieces & Accessories

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  • Original price $ 20.59 - Original price $ 51.49
    Original price
    $ 20.59 - $ 51.49
    $ 20.59 - $ 51.49
    Current price $ 20.59

    Sun Catcher Variable Large Aperture Solar Filter

    Explore Scientific

    If you need a Sun Catcher Solar Filter for 10-inch and 12-inch Dobsonian telescopes, purchase SC14-00. Cassiopeia Observatory Review - Click Here...

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    Original price $ 20.59 - Original price $ 51.49
    Original price
    $ 20.59 - $ 51.49
    $ 20.59 - $ 51.49
    Current price $ 20.59
  • Original price $ 875.49 - Original price $ 1,029.99
    Original price
    $ 875.49 - $ 1,029.99
    $ 875.49 - $ 1,029.99
    Current price $ 875.49

    Explore Scientific 3-inch Self-Centering Focuser - ES-FOC3

    Explore Scientific

    Description With its ability to support heavy imaging trains without sacrificing stability, precision or smooth rotation, the robust Explore Scien...

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    Original price $ 875.49 - Original price $ 1,029.99
    Original price
    $ 875.49 - $ 1,029.99
    $ 875.49 - $ 1,029.99
    Current price $ 875.49
  • Explore Scientific 82° Series 8.8mm Waterproof Eyepiece - EPWP8288-01
    Explore Scientific 82° Series 8.8mm Waterproof Eyepiece - EPWP8288-01
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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 82° Series 8.8mm Waterproof Eyepiece - EPWP8288-01

    Explore Scientific

    *Note that this is a discontinued product. This legacy information is for reference only. See our 8.5mm 82° Series LER Waterproof Eyepiece. Descri...

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    Original price $ 236.89 - Original price $ 236.89
    Original price
    $ 236.89
    $ 236.89 - $ 236.89
    Current price $ 236.89
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  • Explore Scientific 4.7mm 82° Series Waterproof Eyepiece - EPWP8247-01
    Explore Scientific 4.7mm 82° Series Waterproof Eyepiece - EPWP8247-01
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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 4.7mm 82° Series Waterproof Eyepiece - EPWP8247-01

    Explore Scientific

    Buy Any Four In-Stock Premium Waterproof Eyepieces, Get A Free Soft-Sided Eyepiece Case!  To Activate Deal:Step 1 - Add the Soft-Sided Eyepiece C...

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    Original price $ 236.89 - Original price $ 236.89
    Original price
    $ 236.89
    $ 236.89 - $ 236.89
    Current price $ 236.89
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  • Explore Scientific 82° Series 30mm Waterproof Eyepiece
    Explore Scientific 82° Series 30mm Waterproof Eyepiece
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    Original price $ 514.99 - Original price $ 514.99
    Original price
    $ 514.99
    $ 514.99 - $ 514.99
    Current price $ 514.99

    Explore Scientific 82° Series 30mm Waterproof Eyepiece

    Explore Scientific

    Buy Any Four In-Stock Premium Waterproof Eyepieces, Get A Free Soft-Sided Eyepiece Case!  To Activate Deal:Step 1 - Add the Soft-Sided Eyepiece C...

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    Original price $ 514.99 - Original price $ 514.99
    Original price
    $ 514.99
    $ 514.99 - $ 514.99
    Current price $ 514.99
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  • Explore Scientific 3" Field Flattener .7x Focal Reducer - FFFR507X-00
    Explore Scientific 3" Field Flattener .7x Focal Reducer - FFFR507X-00
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    Original price $ 494.39 - Original price $ 494.39
    Original price
    $ 494.39
    $ 494.39 - $ 494.39
    Current price $ 494.39

    Explore Scientific 3" Field Flattener .7x Focal Reducer - FFFR507X-00

    Explore Scientific

    Description Explore Scientific’s 3-inch Field Flattener/0.7x Focal Reducer is a multi-faceted accessory designed to enhance your astrophotography ...

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    Original price $ 494.39 - Original price $ 494.39
    Original price
    $ 494.39
    $ 494.39 - $ 494.39
    Current price $ 494.39
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  • Explore Scientific 8x50 Illuminated Right Angle Polar Finder Scope with NEW long battery life Illuminator II
    Explore Scientific 8x50 Illuminated Right Angle Polar Finder Scope with NEW long battery life Illuminator II
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    Original price $ 329.59 - Original price $ 329.59
    Original price
    $ 329.59
    $ 329.59 - $ 329.59
    Current price $ 329.59

    Explore Scientific 8x50 Illuminated Right Angle Polar Finder Scope with NEW long battery life Illuminator II

    Explore Scientific

    Description With its northern and southern polar reference markings, Explore Scientific’s 8x50 Illuminated Polar Finder Scope with NEW long batte...

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    Original price $ 329.59 - Original price $ 329.59
    Original price
    $ 329.59
    $ 329.59 - $ 329.59
    Current price $ 329.59
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  • Explore Scientific 82° Series 24mm Waterproof Eyepiece
    Explore Scientific 82° Series 24mm Waterproof Eyepiece
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    Original price $ 453.19 - Original price $ 453.19
    Original price
    $ 453.19
    $ 453.19 - $ 453.19
    Current price $ 453.19

    Explore Scientific 82° Series 24mm Waterproof Eyepiece

    Explore Scientific

    Buy Any Four In-Stock Premium Waterproof Eyepieces, Get A Free Soft-Sided Eyepiece Case!  To Activate Deal:Step 1 - Add the Soft-Sided Eyepiece C...

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    Original price $ 453.19 - Original price $ 453.19
    Original price
    $ 453.19
    $ 453.19 - $ 453.19
    Current price $ 453.19
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  • Explore Scientific 82° Series 6.7mm Waterproof Eyepiece
    Explore Scientific 82° Series 6.7mm Waterproof Eyepiece
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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 82° Series 6.7mm Waterproof Eyepiece

    Explore Scientific

    Buy Any Four In-Stock Premium Waterproof Eyepieces, Get A Free Soft-Sided Eyepiece Case!  To Activate Deal:Step 1 - Add the Soft-Sided Eyepiece C...

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    Original price $ 236.89 - Original price $ 236.89
    Original price
    $ 236.89
    $ 236.89 - $ 236.89
    Current price $ 236.89
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  • Explore Scientific 68° Series 24mm Waterproof Eyepiece
    Explore Scientific 68° Series 24mm Waterproof Eyepiece
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    Original price $ 278.09 - Original price $ 278.09
    Original price
    $ 278.09
    $ 278.09 - $ 278.09
    Current price $ 278.09

    Explore Scientific 68° Series 24mm Waterproof Eyepiece

    Explore Scientific

    Buy Any Four In-Stock Premium Waterproof Eyepieces, Get A Free Soft-Sided Eyepiece Case!  To Activate Deal:Step 1 - Add the Soft-Sided Eyepiece C...

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    Original price $ 278.09 - Original price $ 278.09
    Original price
    $ 278.09
    $ 278.09 - $ 278.09
    Current price $ 278.09
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  • Explore Scientific Rack and Pinion Focuser 2" Extension Tube - ESRPEXT2
    Explore Scientific Rack and Pinion Focuser 2" Extension Tube - ESRPEXT2
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    Original price $ 36.04 - Original price $ 36.04
    Original price
    $ 36.04
    $ 36.04 - $ 36.04
    Current price $ 36.04

    Explore Scientific Rack and Pinion Focuser 1.5-inch Extension Tube - ESRPEXT2

    Explore Scientific

    Explore Scientific Rack and Pinion Focuser Extension Tube adds 1.5 inches to the 2-inch Rack and Pinion focusers on our ED APO telescopes. CA Resid...

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    Original price $ 36.04 - Original price $ 36.04
    Original price
    $ 36.04
    $ 36.04 - $ 36.04
    Current price $ 36.04
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  • AstroZap - Dew Heaters and Controllers
    AstroZap - Dew Heaters and Controllers
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    Original price $ 42.18 - Original price $ 141.63
    Original price
    $ 42.18 - $ 141.63
    $ 42.18 - $ 141.63
    Current price $ 42.18

    AstroZap - Dew Heaters and Controllers

    Astrozap

    All Astrozap items purchased between Feb 21st and March 18th will start shipping after March 18th Astrozap Dew Heater Straps are the finest selecti...

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    Original price $ 42.18 - Original price $ 141.63
    Original price
    $ 42.18 - $ 141.63
    $ 42.18 - $ 141.63
    Current price $ 42.18
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  • Explore Scientific 100° Series 5.5mm Waterproof Eyepiece
    Explore Scientific 100° Series 5.5mm Waterproof Eyepiece
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    Original price $ 566.49 - Original price $ 566.49
    Original price
    $ 566.49
    $ 566.49 - $ 566.49
    Current price $ 566.49

    Explore Scientific 100° Series 5.5mm Waterproof Eyepiece

    Explore Scientific

    Buy Any Four In-Stock Premium Waterproof Eyepieces, Get A Free Soft-Sided Eyepiece Case!  To Activate Deal:Step 1 - Add the Soft-Sided Eyepiece C...

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    Original price $ 566.49 - Original price $ 566.49
    Original price
    $ 566.49
    $ 566.49 - $ 566.49
    Current price $ 566.49
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  • Telrad - Reflex Sight w/Mounting Base - 1001
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    Original price $ 50.47 - Original price $ 50.47
    Original price
    $ 50.47
    $ 50.47 - $ 50.47
    Current price $ 50.47

    Telrad - Reflex Sight w/Mounting Base - 1001

    Telrad

    Description The legendary Telrad was designed by Stephen Kufeld who in the late 1970's, designed an innovative new "finder scope". Inspired by vi...

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    Original price $ 50.47 - Original price $ 50.47
    Original price
    $ 50.47
    $ 50.47 - $ 50.47
    Current price $ 50.47
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  • Explore Scientific 1.25" 3X Focal Extender
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    Original price $ 216.29 - Original price $ 216.29
    Original price
    $ 216.29
    $ 216.29 - $ 216.29
    Current price $ 216.29

    Explore Scientific 1.25" 3X Focal Extender

    Explore Scientific

    Description A good Focal Extender adds some real versatility to your telescope accessory line-up. First of all, it allows you to increase the magn...

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    Original price $ 216.29 - Original price $ 216.29
    Original price
    $ 216.29
    $ 216.29 - $ 216.29
    Current price $ 216.29
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  • Explore Scientific 100° Series 9mm Waterproof Eyepiece
    Explore Scientific 100° Series 9mm Waterproof Eyepiece
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    Original price $ 597.39 - Original price $ 597.39
    Original price
    $ 597.39
    $ 597.39 - $ 597.39
    Current price $ 597.39

    Explore Scientific 100° Series 9mm Waterproof Eyepiece

    Explore Scientific

    Buy Any Four In-Stock Premium Waterproof Eyepieces, Get A Free Soft-Sided Eyepiece Case!  To Activate Deal:Step 1 - Add the Soft-Sided Eyepiece C...

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    Original price $ 597.39 - Original price $ 597.39
    Original price
    $ 597.39
    $ 597.39 - $ 597.39
    Current price $ 597.39
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  • Explore Scientific 52° Series 10mm Waterproof Eyepiece
    Explore Scientific 52° Series 10mm Waterproof Eyepiece
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    Original price $ 123.59 - Original price $ 123.59
    Original price
    $ 123.59
    $ 123.59 - $ 123.59
    Current price $ 123.59

    Explore Scientific 52° Series 10mm Waterproof Eyepiece

    Explore Scientific

    Buy Any Four In-Stock Premium Waterproof Eyepieces, Get A Free Soft-Sided Eyepiece Case!  To Activate Deal:Step 1 - Add the Soft-Sided Eyepiece C...

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    Original price $ 123.59 - Original price $ 123.59
    Original price
    $ 123.59
    $ 123.59 - $ 123.59
    Current price $ 123.59
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  • Neutral Density Filter 2" ND 0.9
    Neutral Density Filter 2" ND 0.9
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    Original price $ 61.79 - Original price $ 61.79
    Original price
    $ 61.79
    $ 61.79 - $ 61.79
    Current price $ 61.79

    Neutral Density Filter 2" 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 $ 61.79 - Original price $ 61.79
    Original price
    $ 61.79
    $ 61.79 - $ 61.79
    Current price $ 61.79
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  • Explore Scientific 68° Series 40mm Waterproof Eyepiece
    Explore Scientific 68° Series 40mm Waterproof Eyepiece
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    Original price $ 535.59 - Original price $ 535.59
    Original price
    $ 535.59
    $ 535.59 - $ 535.59
    Current price $ 535.59

    Explore Scientific 68° Series 40mm Waterproof Eyepiece

    Explore Scientific

    Buy Any Four In-Stock Premium Waterproof Eyepieces, Get A Free Soft-Sided Eyepiece Case!  To Activate Deal:Step 1 - Add the Soft-Sided Eyepiece C...

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    Original price $ 535.59 - Original price $ 535.59
    Original price
    $ 535.59
    $ 535.59 - $ 535.59
    Current price $ 535.59
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  • HoTech - 2"/1.25" SCA Laser Collimator (Dot) - SCA-2D
    Special Order
    Original price $ 144.20 - Original price $ 144.20
    Original price
    $ 144.20
    $ 144.20 - $ 144.20
    Current price $ 144.20

    HoTech - 2"/1.25" SCA Laser Collimator (Dot) - SCA-2D

    HOTECH

    Description Built-in Self Centering AdapterNo more loose fitting laser collimators! Our patented Self-Centering Adapter cleverly eliminates the sl...

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    Original price $ 144.20 - Original price $ 144.20
    Original price
    $ 144.20
    $ 144.20 - $ 144.20
    Current price $ 144.20
    Special Order
  • Explore Scientific 92° Series 17mm Long Eye Relief Waterproof Eyepiece
    Explore Scientific 92° Series 17mm Long Eye Relief Waterproof Eyepiece
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    Original price $ 823.99 - Original price $ 823.99
    Original price
    $ 823.99
    $ 823.99 - $ 823.99
    Current price $ 823.99

    Explore Scientific 92° Series 17mm Long Eye Relief Waterproof Eyepiece

    Explore Scientific

    Buy Any Four In-Stock Premium Waterproof Eyepieces, Get A Free Soft-Sided Eyepiece Case!  To Activate Deal:Step 1 - Add the Soft-Sided Eyepiece C...

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    Original price $ 823.99 - Original price $ 823.99
    Original price
    $ 823.99
    $ 823.99 - $ 823.99
    Current price $ 823.99
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  • Explore Scientific 68° Series 28mm Waterproof Eyepiece
    Explore Scientific 68° Series 28mm Waterproof Eyepiece
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    Original price $ 308.99 - Original price $ 308.99
    Original price
    $ 308.99
    $ 308.99 - $ 308.99
    Current price $ 308.99

    Explore Scientific 68° Series 28mm Waterproof Eyepiece

    Explore Scientific

    Buy Any Four In-Stock Premium Waterproof Eyepieces, Get A Free Soft-Sided Eyepiece Case!  To Activate Deal:Step 1 - Add the Soft-Sided Eyepiece C...

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    Original price $ 308.99 - Original price $ 308.99
    Original price
    $ 308.99
    $ 308.99 - $ 308.99
    Current price $ 308.99
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  • 50mm Finder Scope Rings for Right Angle Finder
    50mm Finder Scope Rings for Right Angle Finder
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    Original price $ 82.39 - Original price $ 82.39
    Original price
    $ 82.39
    $ 82.39 - $ 82.39
    Current price $ 82.39

    50mm Finder Scope Rings for Right Angle Finder

    Explore Scientific

    Description Explore Scientific finder-scope rings are all made for 50mm finders. Choose from a classic low profile bracket (about an inch tall), o...

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    Original price $ 82.39 - Original price $ 82.39
    Original price
    $ 82.39
    $ 82.39 - $ 82.39
    Current price $ 82.39
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  • AstroZap - AstroCaps - Bahtinov Focusing Caps
    Sold out
    Original price $ 77.35 - Original price $ 209.61
    Original price
    $ 77.35 - $ 209.61
    $ 77.35 - $ 209.61
    Current price $ 77.35

    AstroZap - AstroCaps - Bahtinov Focusing Caps

    Astrozap

    All Astrozap items purchased between Feb 21st and March 18th will start shipping after March 18th Description Getting perfect focus with the telesc...

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    Original price $ 77.35 - Original price $ 209.61
    Original price
    $ 77.35 - $ 209.61
    $ 77.35 - $ 209.61
    Current price $ 77.35
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