Here is the focuser and one of the blower fans
showing the back side of the fan power switch, voltage dropping diodes and the
wiring. The inside of the tube is painted flat black to minimize extraneous light
relflections inside the telescope.
This photo was taken 7 May 2000 with an Olympus D-600L digital camera.
Fan and Focuser in Painted Tube
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Updated: 7 May 2000