Autofocus Unit (Motorized Frame Only); Autofocusing Modes; Focusing Position Adjustment - Olympus STM7 Instructions Manual

3-9 Autofocus unit (Motorized frame only)

1

Autofocusing modes

The AF unit provides the following two operation modes.
1) ONE SHOT mode
When autofocusing is activated at the position where you want to detect focusing, focusing is detected only once
at that position.
2) TRACK mode
The focusing unit is tracked automatically so that the measurement target is kept in focus even when it is moved.
X
Y
Z
COUNT AF FOCUS LED
Z LIMIT
FULL TRACK COARSE EPI DIA
HALF SHOT FINE
a
c
d
f
n
m
} The AF operation mode can be confirmed with the AF a of the
AF of STM7-DI
(Always displayed)
DATA
FN
2

Focusing position adjustment

} Adjust the focusing position every time after switching the objective.
1
b
2
3
4
5
h
i 6
j
digital indicator STM7-DI.
ONE SHOT mode
COUNT
Z LIMIT
FULL
HALF
Set the main switch b on the rear of the control box for motorized
STM7-CBA to " " (ON).
The [AF] indicator c on the front of the control box for motorized is
turned ON.
Set the main switches of the modules you are using to " " (ON).
(For details, refer to the instruction manual provided with each
module.)
Adjust the diopter of the eyepiece. (see page 33)
Approximately focus on an apparently flat specimen (such as a mirror
or the glass surface of stage). (see page 28)
Press the AF MODE button d on the focus controller STM7-MCZ.
(LASER LED e on the front of the autofocus unit is turned ON and
SHOT of the digital indicator STM7-DI blinks to be in the AF standby
status.)
Press the AF OB button f on the focus controller.
Every time the AF OB button is pressed, the lighting status of the
objective magnification display LED g on the front of the autofocus
unit is changed.
Keep pressing the AF OB button until the objective magnification
display LED which adjusts the focusing position is turned ON.
TRACK mode
AF FOCUS LED COUNT
Z LIMIT
TRACK COARSE EPI DIA FN FULL
SHOT FINE HALF
STM7
AF FOCUS LED
TRACK COARSE EPI DIA FN
SHOT FINE
39