Leica DM2500, Manual

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8. Operation
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• Grasp the right-hand and left-hand focus
knobs at the same time and press the knobs
gently upward or downward into the desired
position.
• Refocus the image.
Speed Switch (optional)
Fine focusing can be adjusted in two speeds. To
switch speeds, press the left focus wheel to the
right or vice versa.
Setting the Focus Stop
The current position can be set as the focus
stop by locking the knurled wheel (51.1) at the
right-hand focus knob. It will then no longer be
possible to travel past that position.
To set the stop, turn the knurled wheel clock-
wise. Turning it in the opposite direction re-
leases the wheel.
Setting the Torque
The torque of the focus drive can be adjusted
using the knurled wheel (50.1) at the left focus
knob.
Caution:
Ensure that the action is not too light. Otherwise,
the stage can slip downward unintentionally.
Caution:
When adjusting the focus knobs on DM3000
(height adjustment, torque and focus stop ad-
justment), please do not put the finger between
the focus knobs and the side button mount (dan-
ger of squeezing the fingers).
Fig. 51 Focus wheel with flat focus knob
1 Focus stop
2 Coarse focusing
3 Fine focusing
1 2 3
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