1. To become able to be seen clearly, as via adjustments to instruments that use lenses, or by digital or other means on a screen. No, that's not right—the vase of flowers still hasn't gotten into focus. The eye doctor adjusted his machine so that the eye chart would get into focus for me. If the footage never gets into focus, we won't have a good look at the perpetrator's face after all.

2. To make such an adjustment so that a viewed object can be seen clearly. In this usage, a noun or pronoun is used between "get" and "into." The eye doctor got the eye chart into focus for me by adjusting his machine.

3. To be better or more clearly understood or seen in a new perspective. The importance of conservation efforts has really come into focus for a lot of the students, thanks to the Chelsea's passionate speech about the environment.