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Posted

I was looking at this very bad picture from another thread on this Forum.

post-19758-0-78346200-1389345936_thumb.png1

 

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.

 

post-19758-0-81867600-1389346108_thumb.jpg2

 

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.

 

post-19758-0-23728900-1389346425_thumb.jpg3

 

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.

 

post-19758-0-06187200-1389348275.jpg4

 

FYI.

Posted

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.

Posted

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.

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