Focus Adjustment - M2 STM850 User Manual

3. 2 Focus adjustment

②
②
图 7
Fig.13
③
Fig.14
Fig.15
Spanner
3.2.1
adjustment knob
STM-850 STM-864),the tension has been
adjusted well before delivery.
1．Rotate the focus adjustment knob① to move
①
the slider② to a lower place for fear that the
zoom body drops down suddenly if the
tension is decreased too much.
2． Hold the focus adjustment knobs① with both
hands, stop the left knob and rotate the right
knob to increase or decrease the focus knob
tension.
3. Brightness adjustment: the right brightness
④
adjustment knob ③ is used to adjust the
bottom illumination, and the left brightness
adjustment knob④ is used to adjust the top
illumination
3.2.2 Adjusting tension collar（Fig.15）
NSZ-810：
1. If the microscope body falls down by its own
⑤
2. The brightness adjustment method is the same
as that of Model STM-864。
10
Adjusting the rotation tension of the focus
(fig.13、fig.14)
For these Microscopes (Model Number :
weight or the focus obtained by fine
focusing is lost immediately, the rotation
tension adjustment may be too light. In this
case, rotate the tension collar with provided
spanner to increase the rotation tension
..