Contrast measurement
The contrast measurement determined in the photograph the contrast (= brightness difference) between two or more points of a subject. This is also known as motif contrast .
Applications
In digital photography , contrast measurement in live view is often used to determine the sharpness of the object and thus for focusing .
When working in the darkroom , the contrast between the densest and lightest areas of a negative can also be measured in order to determine the correct gradation of the photo paper.
literature
- Thomas Maschke,
- Digital recording technology: digital photography in practice , 2004, p. 50ff.
- Digital camera technology: technology of digital cameras in theory and practice , 2004, p. 114ff.