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Vixen Viper-MC90L Instruction Manual page 8

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2. Adjusting finder scope
It is not easy to find a target star, since the telescope uses high magnification
power. Therefore, to facilitate your search for a star, use the finder scope which
has a lower magnification. Be sure that the field of view of the telescope is
aligned with that of the finder scope.
2-1 Pull down the mirror shift lever. (Fig. 17)
<Fig.I 7>
Veltic.11
HOI izont.il
S!lift Lever
2-2 Loosen the eyepiece setscrew, and insert an eyepiece into the eyepiece
section (diagonal mirror). (Fig. 18). Fasten the eyepiece setscrew. (Fig. 19)
Eyepiece Setsc~ elrr
..-
.
- - . -
E!;epiece
-
-
Eyepiece Sectio11lDi.1goi1.21 Ivlil
I 01
I
Liies
2-3 While looking into the eyepiece, move the telescope so the top of a utility
pole or tower, approximately 500 meters away, comes into the center of the field
of view. (Fig. 20). When an object comes into the center of the sight, turn the
focusing knob to achieve focus. (Fig. 21).
<Fig21
.
.
Eyepiece Letis
In this case, the image in the eyepiece (diagonal mirror) appears reversed side
to side from that which is actually observed by the naked eye. When the mode of
the joystick is in the Erect-Image Mode, an image that is reversed side to side
from the tilt direction will move. (Refer to the page of Erect-Image Mode)

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