Vixen Viper-MC90L Instruction Manual page 5

1-3 Hold the optical tube with the eyepiece section facing you and the optical
tube dovetail plate is on the right. (Fig. 4)
E.<epiece
-
section
-
1-4 Insert the optical tube dovetail plate onto the dovetail slide bar of the upper
and lower revolving dovetail. Fasten the optical tube setscrew. (Fig. 5)
<Fig.5>
Optical tube setscrew
* Fix the optical tube very securely to avoid danger from unexpected detachment
of the optical tube during use.
* When observing near the zenith, place the optical tube to be more toward the
front.
2. Attaching finder scope
2-1 Loosen the finder bracket setscrew. Attach the finder scope in the correct
direction (Fig. 6), and fix the screw. (Fig. 7)
--.
{Front}
(Rear}
Finder Ti.jht up t h e fillelel 1)1dcket scr errr
Finder bracket
setscrew