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Focusing System - Takahashi e-130D Instruction Manual

Hyperboloid flat-field astrograph

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■Focusing
After inserting the imaging package the
ε-130D can be focused using the focus
knobs, MEF fine focuser or electronic
focusing system attached to the focuser,
the electronic focuser being the most
precise.
●Focusing System
When the focus knob is turned in the
direction of the arrow the draw tube will
move out and will move in when the knob
is turned in the opposite direction. Refer
to the illustration below.
Drawtube Move out
Drawtube Locking Clamp
Drawtube
Focusing Knob
- 10 -
●Focus Clamp
A focuser clamp is included with the
focuser to lock the focuser when precise
has been achieved and loosen to change
the focus .

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