Chapter 3 Individual Operations
113
Individual
Operations
12.2
Switching the Optical Path in a Manually-Operated Tube
On a tube with an optical path switching lever, distribution of light can be controlled by operating the lever (or the dial, in
the case of a quadrocular tilting tube).
F. S
2
3
4
5
6
50
60
70
Manually switching the optical path
Distribution of Light with Optical Path Switching
Light distribution (%)
Position of the optical
path switching dial/lever
Binocular section Tube adapter Rearport
Adjust to index [B] 100 0 0
Adjust to index [F] 0 100 0
NI-TT
Quadrocular
Tilting Tube
Adjust to index [R] 0 0
100
(to NI-RPZ DSC zooming port)
Pushed in 100 0 C-TE2
Ergonomic
Tube
Pulled out 50 50
(to C-TEP2 DSC port)
Pushed in 100 0
Pulled out by one notch 20 80
C-TT
or C2-C-TT
Trinocular
Tube T
Pulled out by two notches 0 100
Pushed in 100 0 C-TF
Trinocular
Tube F
Pulled out 0 100
Ridding the click feeling of the optical path switching
C-TT Trinocular Tube T and C-TF Trinocular Tube F have a “NO CLICK” switch on their tube attaching surface. Slide this
switch in the direction of the arrow with the tip of a pointed tool to disable clicking for the optical path switching lever.
Set the switch to this position if you need to eliminate the slight vibrations resulting from the clicking action.
In addition, NI-TT Quadrocular Tilting Tube has a “NO CLICK” hexagon socket screw on its tube attaching surface.
(Tool size 4). Rotate the screw toward the direction indicated by an arrow while holding down the screw removes a click
of the knob when switching of the optical path. Set the switch to this position if you need to eliminate the slight
vibrations resulting from the clicking action.
NO CLICK
Trinocular Tube: Ridding the click feeling of
optical path switching
NO CLICK
MADE IN JAPAN
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NI-TT
NO CLICK
Quadrocular Tube: Ridding the click feeling of
optical path switching
Optical path
switchin
leve
Optical path
switching dial
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