Telescope Accessories

    Filter

      Telescope Accessories & Astronomy Supplies

      Upgrade your setup with telescope accessories and astronomy supplies built for serious stargazing. From precision eyepieces and Barlow lenses to equatorial mounts, tracking motors, and astrophotography adapters — we carry the telescope supplies you need to get clearer views and better images.

      What We Carry

      • Eyepieces & Filters: Swap eyepieces to change magnification, add filters for planetary detail or light pollution reduction
      • Mounts & Tripods: Stable platforms for smooth tracking and vibration-free viewing
      • Tracking Systems: Motorized drives and GoTo controllers for automated object finding
      • Astrophotography Gear: Camera adapters, phone mounts, and imaging accessories

      All accessories ship with compatibility details so you can match them to your telescope. Free shipping on orders over $100.

      191 products
      Thermistor for Smart DewHeater Controllers by Celestron
      Thermistor for Smart DewHeater Controllers by Celestron
      Thermistor for Smart DewHeater Controllers
      Celestron
      $15.95
      T-Ring for Nikon Camera by Celestron
      T-Ring for Nikon Camera by Celestron
      T-Ring for Nikon Camera
      Celestron
      $16.95
      T-Ring for Canon EOS-EF Mount Camera by Celestron
      T-Ring for Canon EOS-EF Mount Camera by Celestron
      T-Ring for Canon EOS-EF Mount Camera
      Celestron
      $16.95
      T-Adapter, (EdgeHD 925, 11 & 14) by Celestron
      T-Adapter, (EdgeHD 925, 11 & 14) by Celestron
      T-Adapter, (EdgeHD 925, 11 & 14)
      Celestron
      $74.95
      T-Adapter, (EdgeHD 8) by Celestron
      T-Adapter, (EdgeHD 8) by Celestron
      T-Adapter, (EdgeHD 8)
      Celestron
      $41.95
      T-Adapter for Sony Mirrorless, Rowe-Ackermann Schmidt Astrograph (RASA) 8 by Celestron
      T-Adapter for Sony Mirrorless, Rowe-Ackermann Schmidt Astrograph (RASA) 8 by Celestron
      T-Adapter for Sony Mirrorless, Rowe-Ackermann Schmidt Astrograph (RASA) 8
      Celestron
      $63.95
      T-Adapter for Schmidt-Cassegrain Telescopes by Celestron
      T-Adapter for Schmidt-Cassegrain Telescopes by Celestron
      T-Adapter for Schmidt-Cassegrain Telescopes
      Celestron
      $34.95
      T-Adapter for Canon Mirrorless, Rowe-Ackermann Schmidt Astrograph (RASA) 8 by Celestron
      T-Adapter for Canon Mirrorless, Rowe-Ackermann Schmidt Astrograph (RASA) 8 by Celestron
      T-Adapter for Canon Mirrorless, Rowe-Ackermann Schmidt Astrograph (RASA) 8
      Celestron
      $63.95
      Stereo Binocular Viewer by Celestron
      Stereo Binocular Viewer by Celestron
      Stereo Binocular Viewer
      Celestron
      $259.95
      StarSense Autoguider by Celestron
      StarSense Autoguider by Celestron
      StarSense Autoguider
      Celestron
      $799.00
      StarSense AutoAlign for Sky-Watcher Mounts by Celestron
      StarSense AutoAlign for Sky-Watcher Mounts by Celestron
      StarSense AutoAlign for Sky-Watcher Mounts
      Celestron
      $659.00
      Sold Out
      StarPointer Pro Finderscope by Celestron
      StarPointer Pro Finderscope by Celestron
      StarPointer Pro Finderscope
      Celestron
      $69.95
      Sold Out
      Star Diagonal - 1.25" by Celestron
      Star Diagonal - 1.25" by Celestron
      Star Diagonal - 1.25"
      Celestron
      $44.95
      Sold Out
      Sport Optics by Alan Hale by Celestron
      Sport Optics by Alan Hale
      Celestron
      $24.95
      Sony E-Mount T-Ring by Celestron
      Sony E-Mount T-Ring by Celestron
      Sony E-Mount T-Ring
      Celestron
      $25.95
      StarPointer Red-dot Finderscope by Celestron
      StarPointer Red-dot Finderscope by Celestron
      StarPointer Red-dot Finderscope
      Celestron
      $24.95
      Smartphone Adapter DX Kit, 1.25” by Celestron
      Smartphone Adapter DX Kit, 1.25” by Celestron
      Smartphone Adapter DX Kit, 1.25”
      Celestron
      $25.95
      Sold Out
      Smart DewHeater Controller 2X by Celestron
      Smart DewHeater Controller 2X by Celestron
      Smart DewHeater Controller 2X
      Celestron
      $269.95
      Smart DewHeater and Power Controller 4X by Celestron
      Smart DewHeater and Power Controller 4X by Celestron
      Smart DewHeater and Power Controller 4X
      Celestron
      $449.95
      SkySync GPS Accessory by Celestron
      SkySync GPS Accessory
      Celestron
      $194.95
      Sold Out
      Skyris IR-Block Filter by Celestron
      Skyris IR-Block Filter by Celestron
      Skyris IR-Block Filter
      Celestron
      $36.95
      Sold Out
      SkyPortal WiFi Module by Celestron
      SkyPortal WiFi Module by Celestron
      SkyPortal WiFi Module
      Celestron
      $143.95
      SCT to 2" Adapter by Celestron
      SCT to 2" Adapter by Celestron
      SCT to 2" Adapter
      Celestron
      $27.95
      Right Angle Correct Image Finderscope by Celestron
      Right Angle Correct Image Finderscope by Celestron
      Right Angle Correct Image Finderscope
      Celestron
      $129.95
      Regal Premium Tripod by Celestron
      Regal Premium Tripod by Celestron
      Regal Premium Tripod
      Celestron
      $209.95
      Reducer Lens .7x - EdgeHD 925 by Celestron
      Reducer Lens .7x - EdgeHD 925 by Celestron
      Reducer Lens .7x - EdgeHD 925
      Celestron
      $439.00
      Sold Out
      Reducer Lens .7x - EdgeHD 800 by Celestron
      Reducer Lens .7x - EdgeHD 800 by Celestron
      Reducer Lens .7x - EdgeHD 800
      Celestron
      $419.00
      Sold Out
      Reducer Lens .7x - EdgeHD 1400 by Celestron
      Reducer Lens .7x - EdgeHD 1400 by Celestron
      Reducer Lens .7x - EdgeHD 1400
      Celestron
      $849.00