michel123456 Posted January 10, 2014 Share Posted January 10, 2014 I was looking at this very bad picture from another thread on this Forum. 1 Anyone should know some basic principle of perspective: when a photographer takes a picture horizontally from eye level, the eyes of a person standing upright are approximativaly at horizon level, as shown in the following picture. The rule does not count for the guy in the background: it is a strong indication that it is bad photoshop. 2 If the ground is horizontal all around, all other person standing upright must have his eyes at horizon level, no matter the distance from the photographer. That is because the horizon itself is a line at eye level, by definition. So, if the ground is at the same level all around, the picture should look like the one below. 3 It happens less in new pictures because most are not taken from eye level anymore. But I found this one below where the phenomena appears roughly. 4 FYI. 4 Link to comment Share on other sites More sharing options...
imatfaal Posted January 10, 2014 Share Posted January 10, 2014 I never knew that - and apart from the explanation which makes complete sense - the proof is right above; your picture looks so much more convincing than the original fake. Link to comment Share on other sites More sharing options...
StringJunky Posted January 10, 2014 Share Posted January 10, 2014 Learnt something new Michel. Thanks. Link to comment Share on other sites More sharing options...
CaptainPanic Posted January 10, 2014 Share Posted January 10, 2014 How do you know the ground is flat? Link to comment Share on other sites More sharing options...
michel123456 Posted January 10, 2014 Author Share Posted January 10, 2014 How do you know the ground is flat? You are never sure. The little guy could have been in a recessed area. Recessed about 30 cm (1 head high=~1 foot). Or it could have been that both the photographer and the portrait were taller than the little guy, about 30 cm taller. Also maybe the photographer was a short guy standing on a chair photographing a tall person. Or the photographer was keeping his camera above his head. Everything is possible. Link to comment Share on other sites More sharing options...
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