Right, this is how I understand it too. Is it not true if you took two photos of the same subject, with say a 24mmm lens and 70mm lens, and the then cropped and

Right, this is how I understand it too. Is it not true if you took two photos of the same subject, with say a 24mmm lens and 70mm lens, and the then cropped and enlarged the image from the 24mm lens shot, you'd end up with the same image with the same perspective?