How to use adjustable objective rifle scopes<br>Be sure that your scope is mounted properly. Sighting-in can have been done preliminarily, but additional sighting-in will be desirable after following these steps : Know your rifle. There are actually two optical systems in a rifle scope.
Adjusting the scope of a rifle must be done multiple times.
( z1 obligate :ARG2 ( z2 adjust :ARG1 ( z3 scope :part-of ( z4 rifle ) ) :frequency ( z5 multiple ) ) )