20
3.4 Illumination parts operation
1.
Changing the slit width
Turn the slit width control knob (12) and the slit width will be changed from
0mm to 9mm. The slit becomes a circle all the 9mm size.
12
2.
Changing the aperture and slit height
Turn the aperture and slit height control knob (15) and 6 different circular
bearns of light are available at full aperture: 9, 8, 5, 3, 1, 0.2 diameter
respectively. With a slit image, the slit height can be changed continuously
from 1 to 9mm, which is indicated through the display window (17).
17
15