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Exposure and Contrast in Prints

 

EXPOSURE

When making a print, exposure is the amount of time
that you expose the photo paper to light using the enlarger.

....
A longer exposure leads to a print that is too dark. Details are lost in the shadows.


Correct Exposure - Details in both the highlights and the shadows.

....
Too short of an exposure leads to too light of a print. Details are lost in the highlights.



CONTRAST

When making a print, contrast is the range of values from white to black. For example:

                     
0
I
II
III
IV
V
VI
VII
VIII
IX
X

Contrast is controlled by the use of filters while printing. 00 is the lowest, and 5 is the highest.

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Correct Contrast -
Full range of tones
           
III
IV
V
VI
VII
0
I
II
VIII
IX
X
A filter that is too low leads to the loss of values towards the black and the white
part of the value scale.
A filter that is too high leads to the loss of values towards the middle grey part of the value scale.

 

 

 

 
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