Archived from: http://bhs.broo.k12.wv.us/homepage/alumni/dstevick/lampert/Brunn15.htm
It would not have been possible to use eyepieces and a binocular viewer
without getting into the beam between secondary and tertiary when adjusting for the inward
focus travel the bino calls for. The solution was to build two focus adaptors pictured here
for comparison. Please note the different eyepiece holder and clamping mechanism: the
eyepiece holder is outside the focus adaptor´s main body to provide room for the observer´s
nose when short-focus eyepieces are used. One has to think about everything...
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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