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

Accessories

  • Explore Scientific 2" 2X Focal Extender - FE02-020
    Original price $ 299.99 - Original price $ 299.99
    Original price
    $ 299.99
    $ 299.99 - $ 299.99
    Current price $ 299.99

    Explore Scientific 2" 2X Focal Extender - FE02-020

    Explore Scientific

    Description The Explore Scientific 2X Focal Extender (2.0-inch O.D.), accepts both 1.25-inch O.D. and 2.0-inch O.D. format eyepieces and camera ad...

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    Original price $ 299.99 - Original price $ 299.99
    Original price
    $ 299.99
    $ 299.99 - $ 299.99
    Current price $ 299.99
  • Explore Scientific 8x50 Straight Through Illuminated Viewfinder with Bracket and NEW long battery life Illuminator II
    Explore Scientific 8x50 Straight Through Illuminated Viewfinder with Bracket and NEW long battery life Illuminator II
    Original price $ 249.99 - Original price $ 249.99
    Original price
    $ 249.99
    $ 249.99 - $ 249.99
    Current price $ 249.99

    Explore Scientific 8x50 Straight Through Illuminated Viewfinder with Bracket and NEW long battery life Illuminator II

    Explore Scientific

    Description The Explore Scientific 8x50 produces a wide 6° field of view and allows precision focus of both main objective and eyepiece illuminate...

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    Original price $ 249.99 - Original price $ 249.99
    Original price
    $ 249.99
    $ 249.99 - $ 249.99
    Current price $ 249.99
  • HR Variable Coma Corrector (2-inch) - HRCC02-00
    HR Variable Coma Corrector (2-inch) - HRCC02-00
    Original price $ 379.99 - Original price $ 379.99
    Original price
    $ 379.99
    $ 379.99 - $ 379.99
    Current price $ 379.99

    HR Variable Coma Corrector (2-inch) - HRCC02-00

    Explore Scientific

    Description After hours at the eyepiece, you finally get to view the fruits of your astrophotography labors. The stars in the center of the field ...

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    Original price $ 379.99 - Original price $ 379.99
    Original price
    $ 379.99
    $ 379.99 - $ 379.99
    Current price $ 379.99
  • Explore Scientific 2" 3X Focal Extender - FE03-020
    Explore Scientific 2" 3X Focal Extender - FE03-020
    Original price $ 299.99 - Original price $ 299.99
    Original price
    $ 299.99
    $ 299.99 - $ 299.99
    Current price $ 299.99

    Explore Scientific 2" 3X Focal Extender - FE03-020

    Explore Scientific

    Description The Explore Scientific 3X Focal Extender (2.0-inch O.D.), accepts both 1.25-inch O.D. and 2.0-inch O.D. format eyepieces and camera ad...

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    Original price $ 299.99 - Original price $ 299.99
    Original price
    $ 299.99
    $ 299.99 - $ 299.99
    Current price $ 299.99
  • AstroZap - Aluminum Dew Shields for Meade
    AstroZap - Aluminum Dew Shields for Meade
    Original price $ 174.97 - Original price $ 373.75
    Original price
    $ 174.97 - $ 373.75
    $ 174.97 - $ 373.75
    Current price $ 174.97

    AstroZap - Aluminum Dew Shields for Meade

    Astrozap

    All Astrozap items purchased between Feb 21st and March 18th will start shipping after March 18thThe dew shield is a basic component of a passive d...

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    Original price $ 174.97 - Original price $ 373.75
    Original price
    $ 174.97 - $ 373.75
    $ 174.97 - $ 373.75
    Current price $ 174.97
  • AstroZap - Dew Shield Cap
    AstroZap - Dew Shield Cap
    Original price $ 299.99 - Original price $ 299.99
    Original price
    $ 299.99
    $ 299.99 - $ 299.99
    Current price $ 299.99

    Revolution Imager - RI-KitR2

    opticalinstruments.com

    Features Everything is Included! The Revolution Imager includes everything you need to get up-and-running and get the most out of your existing te...

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    Original price $ 299.99 - Original price $ 299.99
    Original price
    $ 299.99
    $ 299.99 - $ 299.99
    Current price $ 299.99
  • Losmandy Polar Finder
    Losmandy Polar Finder
    Original price $ 300.00 - Original price $ 300.00
    Original price
    $ 300.00
    $ 300.00 - $ 300.00
    Current price $ 300.00

    Losmandy Polar Finder

    Losmandy

    Polar Scope Finder. For GM 8, G-9 and G-11 mounts and the StarLapse system. Works in Northern or Southern Hemispheres. Direct reading. No calculati...

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    Original price $ 300.00 - Original price $ 300.00
    Original price
    $ 300.00
    $ 300.00 - $ 300.00
    Current price $ 300.00
  • Losmandy G11 RA Extension Kit - RAEXK
    Original price $ 294.99 - Original price $ 294.99
    Original price
    $ 294.99
    $ 294.99 - $ 294.99
    Current price $ 294.99

    Losmandy G11 RA Extension Kit - RAEXK

    Losmandy

    Description Losmandy G11 RA Extension Kit The G11 RA Extension Kit makes the Losmandy G-11 Mount more versatile and much more portable. With this ...

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    Original price $ 294.99 - Original price $ 294.99
    Original price
    $ 294.99
    $ 294.99 - $ 294.99
    Current price $ 294.99
  • HR Variable Coma Corrector (2-inch) - HRCC02-01
    HR Variable Coma Corrector (2-inch) - HRCC02-01
    Original price $ 279.95 - Original price $ 279.95
    Original price
    $ 279.95
    $ 279.95 - $ 279.95
    Current price $ 279.95

    HR Variable Coma Corrector (2-inch) - HRCC02-01

    Explore Scientific

    Description   This model does not come with the adapters that allow for a direct screw-on connection to a camera. It can be used with a camera by ...

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    Original price $ 279.95 - Original price $ 279.95
    Original price
    $ 279.95
    $ 279.95 - $ 279.95
    Current price $ 279.95
  • 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
    Sold out
    Original price $ 319.99 - Original price $ 319.99
    Original price
    $ 319.99
    $ 319.99 - $ 319.99
    Current price $ 319.99

    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 $ 319.99 - Original price $ 319.99
    Original price
    $ 319.99
    $ 319.99 - $ 319.99
    Current price $ 319.99
    Sold out
  • QHY CCD PoleMaster
    Sold out
    Original price $ 299.00 - Original price $ 299.00
    Original price
    $ 299.00
    $ 299.00 - $ 299.00
    Current price $ 299.00

    QHY CCD PoleMaster

    QHY

    Features PoleMaster has the following advantages: Speed and convenience: You can make a precision polar alignment even when you can’t see the pol...

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    Original price $ 299.00 - Original price $ 299.00
    Original price
    $ 299.00
    $ 299.00 - $ 299.00
    Current price $ 299.00
    Sold out
  • Bresser Full HD Deep-Sky Camera & Guider 1.25"
    Bresser Full HD Deep-Sky Camera & Guider 1.25"
    Sold out
    Original price $ 305.95 - Original price $ 305.95
    Original price
    $ 305.95
    $ 305.95 - $ 305.95
    Current price $ 305.95

    Bresser Full HD Deep-Sky Camera & Guider 1.25"

    Bresser

    Description Start now with digital astrophotography and capture the sky with the brand new BRESSER Full HD Deep-Sky Camera with Autoguider. Great ...

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    Original price $ 305.95 - Original price $ 305.95
    Original price
    $ 305.95
    $ 305.95 - $ 305.95
    Current price $ 305.95
    Sold out
  • usb-nSTEP computer stepper controller with buttons
    Sold out
    Original price $ 239.95 - Original price $ 239.95
    Original price
    $ 239.95
    $ 239.95 - $ 239.95
    Current price $ 239.95

    usb-nSTEP computer stepper controller with buttons

    Rigel Systems

    Description Full control of your focuser from your PCNo PC required for manual-only operation! Operates off of the 12V DC stepper motor supply. Sp...

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    Original price $ 239.95 - Original price $ 239.95
    Original price
    $ 239.95
    $ 239.95 - $ 239.95
    Current price $ 239.95
    Sold out
  • QHY5III462C Planetary Color and NIR CMOS Imaging Camera
    QHY5III462C Planetary Color and NIR CMOS Imaging Camera
    Special Order
    Original price $ 299.00 - Original price $ 299.00
    Original price
    $ 299.00
    $ 299.00 - $ 299.00
    Current price $ 299.00

    QHY5III462C Planetary Color and NIR CMOS Imaging Camera

    QHY

    Features The QHY5III462C has a Back-illuminated sensor - twice as sensitive as the similar sized front illuminated color sensors like the 290. Th...

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    Original price $ 299.00 - Original price $ 299.00
    Original price
    $ 299.00
    $ 299.00 - $ 299.00
    Current price $ 299.00
    Special Order
  • RS-Spectroscope
    Sold out
    Original price $ 329.95 - Original price $ 329.95
    Original price
    $ 329.95
    $ 329.95 - $ 329.95
    Current price $ 329.95

    RS-Spectroscope

    Rigel Systems

    Description The RS-Spectroscope attaches to an eyepiece to spread light from stars and nebulae into a rainbow of colors, colors that provide a who...

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    Original price $ 329.95 - Original price $ 329.95
    Original price
    $ 329.95
    $ 329.95 - $ 329.95
    Current price $ 329.95
    Sold out
  • QHY5III290M USB 3.0 CMOS Monochrome Camera
    QHY5III290M USB 3.0 CMOS Monochrome Camera
    Special Order
    Original price $ 329.00 - Original price $ 329.00
    Original price
    $ 329.00
    $ 329.00 - $ 329.00
    Current price $ 329.00

    QHY5III290M USB 3.0 CMOS Monochrome Camera

    QHY

    Description View ultra faint stars on video in real time using the QHY5III290 USB 3.0 series camera with the Sony IMX290 STARVIS Exmor R back illu...

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    Original price $ 329.00 - Original price $ 329.00
    Original price
    $ 329.00
    $ 329.00 - $ 329.00
    Current price $ 329.00
    Special Order
  • QHYCFW3M- Motor Driven Color Filter Wheel
    QHYCFW3M- Motor Driven Color Filter Wheel
    Special Order
    Original price $ 349.00 - Original price $ 349.00
    Original price
    $ 349.00
    $ 349.00 - $ 349.00
    Current price $ 349.00

    QHYCFW3M- Motor Driven Color Filter Wheel

    QHY

    Description Medium size. The QHYCFW3M supports a carousel holding five 2-inch mounted or 50mm unmounted filters or a carousel holding seven 36mm u...

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    Original price $ 349.00 - Original price $ 349.00
    Original price
    $ 349.00
    $ 349.00 - $ 349.00
    Current price $ 349.00
    Special Order
  • Red LED Lighted Accessory Tray for Meade LX90
    Sold out
    Original price $ 210.00 - Original price $ 210.00
    Original price
    $ 210.00
    $ 210.00 - $ 210.00
    Current price $ 210.00

    Red LED Lighted Accessory Tray for Meade LX90

    Shannon Telescopics

    Description Made for Meade and Celestron telescopes by Shannon Telescopics, this LED Lighted Accessory Tray is made from stronger-than-steel 3/8-i...

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    Original price $ 210.00 - Original price $ 210.00
    Original price
    $ 210.00
    $ 210.00 - $ 210.00
    Current price $ 210.00
    Sold out
  • usb-nSTEP with bluetooth
    Sold out
    Original price $ 239.95 - Original price $ 239.95
    Original price
    $ 239.95
    $ 239.95 - $ 239.95
    Current price $ 239.95

    usb-nSTEP with bluetooth

    Rigel Systems

    Description Full control of your focuser from your PCNo PC required for bluetooth-only operation! Operates off of the 12V DC stepper motor supply....

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    Original price $ 239.95 - Original price $ 239.95
    Original price
    $ 239.95
    $ 239.95 - $ 239.95
    Current price $ 239.95
    Sold out
  • usb-nSTEP with buttons and bluetooth
    Sold out
    Original price $ 349.95 - Original price $ 349.95
    Original price
    $ 349.95
    $ 349.95 - $ 349.95
    Current price $ 349.95

    usb-nSTEP with buttons and bluetooth

    Rigel Systems

    Description Full control of your focuser from your PCNo PC required for manual or bluetooth-only operation! Operates off of the 12V DC stepper mot...

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    Original price $ 349.95 - Original price $ 349.95
    Original price
    $ 349.95
    $ 349.95 - $ 349.95
    Current price $ 349.95
    Sold out
  • CFW3 Filter Wheel Adapter for 1.25" Cameras (QHY5III Series)
    CFW3 Filter Wheel Adapter for 1.25" Cameras (QHY5III Series)
    Special Order
    Original price $ 30.00 - Original price $ 30.00
    Original price
    $ 30.00
    $ 30.00 - $ 30.00
    Current price $ 30.00

    CFW3 Filter Wheel Adapter for 1.25" Cameras (QHY5III Series)

    QHY

    Description Many planetary imagers like to take filtered images of the planets using a monochrome camera and filter wheel rather than using a colo...

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    Original price $ 30.00 - Original price $ 30.00
    Original price
    $ 30.00
    $ 30.00 - $ 30.00
    Current price $ 30.00
    Special Order
  • Special Order
    Original price $ 299.00 - Original price $ 299.00
    Original price
    $ 299.00
    $ 299.00 - $ 299.00
    Current price $ 299.00

    QHY5III178M USB 3.0 Monochrome CMOS Imaging Camera

    QHY

    Description QHY5III178M/C uses the new 6.0 Megapixel IMX178 STARVIS Exmor R back-illuminated CMOS sensor. Available in both color and monochrome. ...

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    Original price $ 299.00 - Original price $ 299.00
    Original price
    $ 299.00
    $ 299.00 - $ 299.00
    Current price $ 299.00
    Special Order
  • Special Order
    Original price $ 299.00 - Original price $ 299.00
    Original price
    $ 299.00
    $ 299.00 - $ 299.00
    Current price $ 299.00

    QHY5III485C 8.4 MP Color Astronomy Camera

    QHY

    Description QHY5III485C uses Sony’s new IMX485, back-illuminated, 8.4 megapixel color CMOS sensor with an array of 3864 x 2180 pixels at 2.9um. Wi...

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    Original price $ 299.00 - Original price $ 299.00
    Original price
    $ 299.00
    $ 299.00 - $ 299.00
    Current price $ 299.00
    Special Order