11
STEINDORFF
®
3.2 Operation
3.2.1 Open Lamp-House (Fig. 20)
Connect the power, turn on the main switch (Fig. 15)
to “-” (on).
3.2.2 Adjusting the brightness (Fig. 21)
Turning the brightness adjustment knob
anti-clockwise, the voltage raise, and the brightness
strengthen; turning it clockwise, the voltage decline,
and the brightness weaken.
Using the lamp in a low voltage condition, will
prolong the use life.
3.3.3 Adjusting the Illumination Set (Fig. 22)
1.
Make sure the ray brightness in view field is even,
have no filament shadow. If there is filament shadow,
please adjust the Condenser Knob
③
to proper
position
2.
Adjust the View field Diaphragm
①
and Aperture
Diaphragm until the two Diaphragm open size is
properly. Then you can get clear image. When in using,
you need to adjust simultaneously, part observe
until to the high-point.
★
Aperture Diaphragm: The aperture diaphragm
(iris diaphragm) is designed for matching the
objective's numerical aperture, not use for
adjusting brightness. When the objective is
adjusted full of light, the Aperture Diaphragm
is in best state and the image is clear. What to
be notice is that when switch objective, the
Aperture Diaphragm size should change along
with the adjusting.
★
View field Diaphragm: Used to control view field
size, to reduce Anti-cast light and Dizzled light.
When the objective is adjusted full of light, the
image is clear and in high-point state.
Fig. 20
Fig. 21
Fig. 22