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Horizon
Optical axis
Building not to scale but
vertically compressed
Converging lines
about 13°
Converging lines
… rectified with the help of a computer
Too wide
Narrow
Original photo
Horizon
Optical axis shifted 9 mm
Building precisely to scale
and not cropped
Vertical lines are
parallel
Horizon
Too much
foreground
Optical axis
Building precisely to scale,
but its top is cropped
PC-TS Anleitung 2011.indd 8
25.05.11 20:46
