> All else being equal, switching to a longer lens won't make the relative size of the elements of the image change at all. You can simulate the results just by

> All else being equal, switching to a longer lens won't make the relative size of the elements of the image change at all. You can simulate the results just by cropping photos taken with the wide iPhone lens. There will be no difference between the perspective of a cropped iPhone picture and an uncropped picture with a longer lens. Right. I haven't read the article yet, but perspective is about where you are not what kind of lens you are using. A new perspective cannot be simulated by cropping or distorting an image.