I know when a square isn't square, a circle is an oval, a face is too wide, etc. I have a widescreen TV and all of my computers use widescreen monitors, and it's been that way for years. I know when something is using the correct aspect and when it isn't. When the TV is in anamorphic mode for...
Yes. Unless there's another r_ command for setting aspect ratio, D3 does not support any camera aspect ratio other than 4:3. Changing g_fov changes both vertical and horizontal field of view, as mentioned before.
To confirm this for yourself, go load up D3 in a 4:3 resolution. Start a new...