Do you know how camera viewfinders have frame overlays that show how a scene will fit within a certain ratio? Well, that's the idea I propose for rendering in Fusion (mockup attached). Right now getting the right camera frame it's a frustrating guessing game: I set the view to in the canvas to the best of my judgement, and most times the actual rendering comes out very different (either too far or too close). This guessing game wastes time and renderings ($$$ for commercial accounts). It would be fantastic if a frame overlay adjusted automatically in the canvas, depending on the size of the image that is selected.
