To Rotate, Pan, and Zoom in Render View

The Render View visualizes all render settings according to the selected render mode.

Rotate the current camera around a point

Hold down the left mouse button (LMB) and drag.

To set the point, double-click with the right mouse button in the render view.

Pan

Hold down the middle mouse button (MMB) and drag. The camera moves in the direction you move the mouse.

Zoom

Hold down the right mouse button (RMB) and drag. The camera moves forward or backward depending on the direction you move the mouse.