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ZEISS
5 Operation | 5.5 Setting Up for Reflected Light Techniques
10. Use the centering screws to center the field di-
aphragm on the edge of the field of view
C
.
C
11. Open the field diaphragm enough to make the
edge of the diaphragm disappear from the field
of view
D
.
D
12. Remove one eyepiece from the tube.
13. Looking through the tube, adjust the aperture
with the adjusting lever of the aperture di-
aphragm to the size of approx. 2/3 - 4/5 of the
diameter of the objective exit pupil
E
.
In most cases this aperture gives the best con-
trast at almost full resolution and is thus the
best compromise for the human eye.
E
14. Replace the eyepiece.
15. Re-adjust the focus using the coarse and fine focusing drives and set the image brightness
according to the reflected light sample.
16. Readjust the aperture stop diameter after each objective change.
Info
Never use the aperture diaphragm for controlling image brightness. Use the
Intensity/LM
knob
for illumination intensity!
Instruction Manual ZEISS Axioscope 5, Axioscope 5/7 MAT | en-US | Rev. 13 | 430035-7344-001
107