Focus Controller (Motorized Frame Only); Z-Axis Coarse Focusing; Z-Axis Fine/Coarse Adjustment With Fine/Coarse Focusing Knob - Olympus STM7 Instructions Manual

3-4 Focus controller (Motorized frame only)

e
X
Y
Z
COUNT
Z LIMIT
FULL
HALF
28
a
c
b
d
AF FOCUS LED
DATA
TRACK COARSE EPI DIA FN
SHOT FINE
f
} For AF operations with the autofocus unit STM7-AF, see "3-9
Autofocus unit (Motorized frame only)"(page 39).
1

Z-axis coarse focusing

The coarse focusing in the Z-axis direction is available with the FOCUS
buttons a . Holding a button continuously increases the movement
speed (up to 8 mm/sec.).
When moving the Z-axis, do not touch around the
CAUTION
focusing unit. Your hands or fingers may be pinched
between the focusing unit and the focusing unit opening
or the stopper.
2

Z-axis fine/coarse adjustment with fine/coarse focusing knob

} When rotating the coarse focusing knob b or the fine focusing
knob c for one turn, the movement distance in the Z direction can
be selected.
Movement distance adjustment
The movement distance of the coarse focusing knob b and the
fine focusing knob c
d is pressed.
The movement distance can be confirmed by the indicator e of the
control box for motorized STM7-CBA or the FOCUS f of the digital
indicator STM7-DI.
Movement distance: Small Movement distance: Large
Coarse
focusing knob
Reference
movement
400 μm
distance * (guide
for per turn)
STM7-CBA
FOCUS of
Z LIMIT
STM7-DI
* "Reference movement distance" is a reference value. Particularly, if
the coarse focusing knob is rotated rapidly, the movement distance
may be less than the reference movement distance.
are changed every time the F SENS button
Fine Coarse
focusing knob focusing knob
50 μm 800 μm
COUNT AF FOCUS LED
Z LIMIT
FULL TRACK COARSE EPI DIA FN
HALF SHOT FINE
Fine
focusing knob
100 μm
COUNT AF FOCUS LED
FULL TRACK COARSE EPI DIA FN
HALF SHOT FINE