If a player zooms out one increment from their focused target and then changes their view to look at something not in the direction of
their focused target and then procedes to zoom in one increment to their original zoom level, their camera position does not return to its logical place. With succesive in and out zooming while changing the direction of view; a players camera position can end up a great distance from where it should be.

I believe this to be related to an incorrect calculation of a groups centroid or barycenter (center of focus), particularly when some or all of these objects are moving and their centroid is continuously changing.