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.
A rifle scope has more than one optical system.
( z1 have :ARG0 ( z2 scope :mod ( z3 rifle ) ) :ARG1 ( z4 system :mod ( z5 optics ) :quant ( z6 more-than :op 1 ) ) )