Originally Posted by Gene
Adjusting from the objective takes a little longer. You must remember that the yard marks on the objective ring are seldom spot on and clear focus can only be achieved by slowly rotating the ring while focused on a distant target.
The side focus is fast and convenient BUT, sometimes, the precise focus point is a bit difficult to find, and it is necessary to rotate the knob to one extreme, then the other and come back to the point where it is clear. This is called lash in the turrret. I have both types and still prefer the side focus.
Also the side focus feature is found on 30mm tube scopes allowing larger internals and
normally more MOA adjustments.
The side focus adjustment is just like the focus on a pair of binoculars, you have to go past
focus both ways to find the best distance.
J E CUSTOM