Exercise 4.1

This exercise compares photographing black, grey and white tones with the camera first in Program mode and then in Manual mode.

We can see the camera does not have enough information when photographing a single tone to correctly show that tone. This means that photographs showing solely black, white or grey will show very similar histograms. When you photograph all 3 tones together, even though still in Program mode, the camera can detect the difference between the shades and reproduce the shades more accurately.

 

all-3-auto
All 3 tones together

 

black-auto
Black tone and histogram

 

grey-auto
Grey tone and histogram

 

white-auto
White tone and histogram

 

Switching to Manual mode allowed me to make the camera underexpose to get more black and overexpose to get more white. This happens in real life when trying to photograph snow or pregnancy tests, for example.

 

 

white-manual
White tone, taken in manual mode and over-exposed according to the  light meter, but actually correct
grey-manual
Grey tone, taken in manual mode and very slightly under exposed according to the light meter
black-manual
Black tone, taken in manual mode, substantially under-exposed according to the light meter and could actually take a little more.

 

 

 

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