https://discussions.unity.com/t/scene-view-camera-zooming-rather-than-dollying/7163
Scene view camera zooming rather than dollying - Questions & Answers - Unity Discussions
Sep 3, 2010 - Since updating to Unity 3, there's been an issue with the view camera where instead of dollying (moving towards the target) when scrolling with the mouse, the...
view camerarather thanquestions answersscenezooming