Characteristic Curves (4) Flashcards
1
Q
What is a film characteristic curve?
A
Graph that has a curve representing the relationship between exposure of film and the resultant density.
2
Q
Other names for a Film characteristic curve:
A
- H&D curve
- Film sensotometric curve
- Hurter and Driffield curve
3
Q
How are Film characteristic curves made?
A
provide a specific type of film with a series of known exposures and determining density as a result of those differing exposures.
4
Q
What is significant about Film Characteristic Curves?
A
- provide information regarding film properties; film speed, film contrast
- provide a correction factor
- film properties at a given energy level
