Zeiss SIGMA Series, Instruction Manual

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ZEISS 5 Commissioning and First Operating Steps | 5.4 Acquiring an Image
3. To adjust the magnification, hold down the left mouse button and drag the mouse within
the Image Area in left/right direction.
à
The current magnification is indicated in the Status Bar .
4. To adjust the focus, change the working distance. Hold down the mouse wheel and drag
the mouse within the Image Area in left/right direction.
à The current working distance is indicated in the Status Bar .
5. Adjust contrast and brightness again.
5.4.7 Optimizing the Image
Once you have generated an initial image, you can adjust various parameters to optimize the im-
age.
Info
The following procedure describes the best way to quickly optimize the image without the
control panel. You can also use the control panel to adjust aperture alignment, magnification/
focus and brightness/contrast.
The procedure consists of the following steps:
§
Adjusting the Magnification [
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§
Moving the Field of View at High Magnifications [
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§
Limiting the Scan Field [
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§ Aligning the Aperture [
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Selecting the Scan Speed [
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95]
§
Correcting Astigmatism [
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5.4.7.1 Adjusting the Magnification
Procedure
1. To switch to the Coarse mode, in the Status Bar , click .
à
The button changes to .
2. Step by step, raise the magnification to 50,000 x and focus in between.
To adjust the magnification and the focus, hold down the left mouse button or the mouse
wheel, respectively, and drag the mouse within the
Image Area .
5.4.7.2 Moving the Field of View at High Magnifications
If you want to move the field of view at high magnifications, use the Beam Shift function instead
of moving the stage.
Procedure 1. In the SEM Controls panel, select the Apertures tab.
2. Click
Beam Shift .
3. To shift the beam, in the Beam Shift navigation
box, use the scroll bars or the red marker.
Instruction Manual ZEISS SIGMA series | en-US | Rev. 7 | 352102-9344-006 93