15
BX51WI
Fig. 19
Fig. 20
4 Using Eyepiece Micrometer Disks
(Fig. 19)
Eyepiece micrometer disks can be inserted into the WHN10X-H (or
WHN10X) eyepieces.
However, if the eyepiece does not have the helicoid adjustment facility
and your eyesight is poor, you may have difficulties in focusing on the
eyepiece micrometer disk. In this case, it is recommended to look into
the eyepiece through your eyeglasses.
Use 24 mm dia. x 1.5 mm micrometer disks.
Following Fig. 19, remove the micrometer mounting frame ² from the
eyepiece and place a micrometer disk @ into the mounting frame.
Re-attach the micrometer mounting frame in the original position.
5
Selecting the Light Path of Trinocular Tube
(Fig. 20)
Slide the light path selector knob @ to select the desired light path.
Trinocular
Tube
Light Path Selector Position
Pushed In Intermediate Pulled Out
U-TR30-2 Binocular 100% TV, photo 100%
U-ETR3 Binocular 100% TV, photo 100%
U-TR30IR Binocular 100% Shutter TV, photo 100%
Binocular 20%,
TV, photo 80%
@
²
@
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