Bruker HYPERION, User Manual

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33 Bruker Optik GmbH HYPERION User Manual
Overview 3
3.5.3 Focus control elements
➣ The coarse and the fine focus knobs are used for focussing in case of the following
types of stage: manual stage and motorized x/y-stage.
Figure 3.7: Focus control elements (upper image: right side view,
lower image: left side view)
C
A
B
A’
C’
B’
Fig. 3.7 Control element and explanation
A and A’ Condenser focussing knob: to raise or lower the condenser in relation
to the sample or sample stage in order to maximize the beam intensity in
transmittance mode.
B and B’ Coarse focus knob: Using this rotary knob, the distance between sample
and objective is changed in larger increments than with the fine focus con-
trol.
C and C’ Fine focus knob: Using this rotary knob, the distance between sample
and objective is changed in smaller increments than with the coarse focus
control.