Focus Systems

Focus Systems InstaFocus® - A touch of the fingertip is all it takes to hold your subject in sharp focus. This special focusing mechanism was developed and patented by Bushnell to let you follow the action and switch to anothr subject instantly.

CENTER FOCUS - One knob moves both lenses for fine focusing precision.

INDIVIDUAL FOCUS - This system is unique to the Bushnell standard sized marine binocular line. Well suited for people with large vision differences between left and right eyes.

FOCUS FREE - Requires no focusing, the binocular's range is pre-set.

Prism Systems Binoculars have left and right side barrels linked to each other by an axle. The two most frequently used prism systems are porro and roof.

PORRO PRISM binoculars are characterized by the eyepieces being offset from the objective lenses.

ROOF PRISM binoculars feature lenses positioned in line for a more compact design.