Magnus Theia fi Instructions Manual - page 30

6. High-magnification objec-

Specimen is upside down.

Set the specimen correctly

tive touches specimen

with the cover glass on the      10&11

just before coming into

top.

focus.

7. The tension of coarse fo-

Coarse focus adjustment

Loosen the ring to adjust to

cus adjustment knob is 

Knob tension adjustment

proper tension

16

too high.

ring is set too tight.

8. Stage lowers due to its 

Coarse focus adjustment

Tighten the ring to achieve

weight or focusing is lost

Knob tension adjustment

proper tension.

due to slippage of coarse

ring is set too loose.

16

focus adjustment knob.

9. Coarse focus adjustment

The condenser is too low.

Move it up.

knob cannot move the

14

stage low enough.

10. The fields of view of two

The interpupillar distance is

Adjust it properly.

eyes do not match (when

not adjusted properly.

13

a binocular tube is used)

Vision is not compensated

Adjust correctly.

14

for both eyes.

The left and right eyepiece

Replace a lens so that the

lenses are different.

left and right lenses are

6

Identical.