Teleskop Service M48 Variable Extension

Brand: Teleskop Service


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Product Details

  • Teleskop Service 17 mm - 23 mm Variable Extension Tube

    This 2" variable extension tube consists of three parts:

    • The base with deep male M48 threads
    • A small counter ring with knurled edges for locking the chosen extension in place
    • A section with Female M48 threads and an M48 nosepiece

    The Teleskop Service Variable Extension allows you to fine tune the focusing distance when using field flatteners or focal reducers. The minimum length of the variable extension is 17 mm, and the maximum is 23 mm. You can make fine adjustments between these two points as necessary for your set-up. The thread is M48 x 0.75, which is internationally used for 2" filters and other 2" astronomical accessories.

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