Operation Manual

23
3.5 Observation Tube
3.5.1 Adjusting the Interpupillar Distance
Ɣ While looking through the eyepieces, adjust for binocular vision until the left and right fields of view
coincide completely.
Ɣ The Index dot
indicates the interpupillary distance.
(Fig. 18)
3.5.2 Adjusting the Diopter
Ɣ The diopter adjustment ring is used when the eyepiece has no function of diopter adjustment.
Ɣ Looking through the right eyepiece (there is no diopter adjustment ring), rotate the coarse and fine
adjustment knobs to bring the specimen into focus
Ɣ Looking through the left eyepiece (there is a diopter adjustment ring), turn only the diopter
adjustment ring to focus on the specimens.
(Fig. 19)