This cap keeps
dust out of the barlows, cameras and focusers for my telescopes.
It replaces as well the really cheesy cap that came with my Orion
Astrographs for the focusers.
Click to enlarge to
full size:
|
Seen
here is the red plug on the right, a 2" Big Barlow, and
the old plug that came with the barlow that lets all the dust
in. |
|
The
new plug in place, keeping out the nasty dust! |
|