11
STEINDORFF
®
3.7.
Focus
When not using the video set
1.
Push in the light path selector lever
①
completely, then
observe with both eyes. Use the 10x objective focus, to avoid
the objective touch with the specimen, you should raise the
mechanical stage at first, let the specimen close to the
objective, then slowly separating them to focus.
2.
The operator can converse turn the coarse focus knob to get
the specimen down ,and search images in the 10×ocular
simultaneously, then use the fine knob to focus. At this
moment, you can replace other magnification objectives
safely, and focus without the risk of destroying the specimen.
When using the video set
Pull out the light path selector lever
①
, observe with both eyes, when
the image is sharp, you can see the pictures directly on the video
screen which connected by the microphotograph system through the
video mount.
If you need to fix the stage on a vertical position to make
the observation become more convenience, take use of the
locking set
②
.
①
②
Fig. 22
Fig. 23