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camera head from the adapter (fixed on the telescope) regardless of the
camera orientation.
When all three pulling screws are fully tightened, releasing of just one
or two of these screws does not allow adapter to move, or at last only
very slightly thanks to deformation of the adapter body. If the adapter
has to be adjusted, it is necessary to slightly release all three pulling
screws, which makes room for tilt adjustment.
Only after the proper tilt is reached, the pushing screws should be slightly
tightened to fix the adapter in the desired angle relative to camera head.
This ensures long-time stability of the adjusted adapter.
Adjustable telescope/lens adapters are attached slightly differently
depending if the adapter is attached directly to the camera head (e.g.
when camera is equipped with internal filter wheel) or to the External filter
wheel case.
C2 camera adapters are not mounted directly on the camera
head. Instead a tilting adapter base, holding the circular spring, is
always used.
If the External filter wheel is used, the adapted base is not
necessary, as the External filter wheel front plate is already
designed to hold the spring and it also contains threads to fix
respective adapters.