52
NIB630
4
4.3.4. Observationtubus
Ergo tilting binocular viewing head alterable angle, interpupillary distance: 48mm to 75mm.
Observationtubus can be rotated 360°.
A
2
3
Two fields of view merge
1
Illustration 44A: NIB630 - Adjusting the interpupillary distance.
Adjusting the interpupillary distance
(distance between the eyepieces)
Look through the eyepieces (1) and adjust the
interpupillary distance (2) so that the left and
right fields of view are completely aligned.
The device can be adjusted to the interpupil
-
lary distance of the respective observer be-
tween 48mm and 75mm.
The small white dots (3) indicate the interpu
-
pillary distance on the scale.
Proper interpupillary distance is cru-
cial to the comfort of the user. Note
your interpupillary distance so that it
can be quickly duplicated.
B
1
4
Illustration 44B: NIB630 - Diopter adjustment.
Diopter adjustment
Look through one of the eyepiece (1) and
focus the image (eyepiece freely selectable).
Then look through the other eyepiece with the
other eye and turn only the diopter adjustment
ring (4) on this eyepiece to focus the sample.
The diopter compensation is an ad-
justment possibility on both eyepiec-
es and serves to compensate for near
- or farsightedness (max. +/-8 dpt.
difference between both eyes can
be compensated). If the difference is
higher, or if you suffer from astigma-
tism etc. we recommend observing
with your prescribed glasses on.
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