I'm trying to get a better understanding of the relationship between the FOV, focus and zoom properties of the camera (or lenses really). It would seem that:
1. The FOV is calculated using the focus and zoom properties (and not the other way around). 2. The perspective (as calculated in the project function for the various lenses) determines how the scene will be drawn. 3. The perspectives of all the lenses is equal for the same product of the focus and zoom (focus x zoom) e.g. a focus of 100 and a zoom of 10 (100 x 10 = 1000) will produce the same result as a focus of 200 and a zoom of 5 (200 x 5=1000). Are these observations correct?
