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Alstar 2" Adjustable Extention Tube - Bundle with - Astronomical 2"/M48-extension Tube Kit

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US$33.77 cheaper than the new price!!

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Product details

Management number 208572172 Release Date 2026/03/22 List Price US$22.52 Model Number 208572172
Category

Useful for prime-focus with refractors or reflector telescopes. Allows you to vary the magnification by simply changing the position of your camera. Fits all standard 2" astro telescopes. Threaded for Standard 2" telescope Filters. Slides into 2inch telescope focuser or 1.25inch focuser with step-down adapter; has T-threads for attachment of camera body. All metal construction. Anodizing Aluminium process.

  • This easy to use 2 inch Adjustable Extention Tube Camera Adapter is designed to attach both camera body and reflector together
  • Dual design allows the user to make slight magnification adjustments without having to change telescope eyepieces
  • Compatible for both reflector and refractor telescopes with 2 inch eyepiece holders
  • Eliminate Focusing Problem: The extension tube has a M48x0.75 interior thread and a M48x0.75 exterior thread; elegantly solves the spacing problems in astrophotography and eliminates a series of focusing problems
  • Variable Combination: The required spacing can be achieved by combining several extenders of differing lengths; Use this extension tube for getting the correct image scale or the exact spacing required for reducers or field flatteners

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