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In knowing
that the objective end of the main tube was cut to precision, I
pretty much knew that the objective cell would seat very straight as
long as the cell itself did not have any imperfections. To connect
the thermo-plastic objective cell to the main tube, I drilled three
3/32" of an inch holes where the holes in the cell would line up.
Being so small, I tapped the holes in the main tube with threads
using the same type of machine bolts that I plan to use to secure
the cell to the tube with. As you may recall, I had to sand the
interior portion of the objective cell that goes onto the main tube
to make it fit properly.
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