Archived from: http://bhs.broo.k12.wv.us/homepage/alumni/dstevick/lampert/Brunn14.htm
An underview showing a short piece of the threaded brass rod. The brown, medium
density fiberboard which carries the focus adaptors is moved by turning the yellow knob.
The golden one at the side is used for clamping down the unit at optimum focus.
Click here for a photo-printer quality version of this picture.
Author: Guntram Lampert and David Stevick
[Weird Telescopes Page]
[Brunn 6-inch Story]
Curator: Hartmut Frommert
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