文档介绍：Th e Exposure Trinity
One of the keys to capturing images is un- graphic endeavors. Even some plished Flexibility in Balance
derstanding “exposure.” professional photographers do not under- Under the exact same lighting conditions, you
Th e exposure of light ponents stand exposure very well. can change one of ponents in the tri-
has three inseparable elements: Once you have these ponents in angle and create a very diff erent photograph.
Time balance, and working for you, you’ll gain a Change the volume of light entering the
Sensitivity greater sense of photographic achievement. camera body by opening the aperture further
Volume At times, ponent will not be a vari- and the depth of fi eld changes. What was
Th is trinity is a dynamic relationship. able, leaving you to strike a balance with just once an image that had everything in focus
What’s exerted upon one of ponents the other two. Th ough that leaves you with es a photograph where our attention is
aff ects the other. Th ere’s a family harmony to fewer cards to play, it solidifi es one side of the directed by force to one object.
exposure. As one moves, the others respond triangle and assists you in determining how to Alter the time that the shutter stays open
and move with it. Th e three of them do every- best establish the other two. and what was once in sharp focus es a
thing together. As long as we do not interfere beautiful blur.
with the harmonious relationship, everything Digital Is Better! Increase the sensitivity of the sensor and go
remains in a beautiful balance. Th e digital photographer has an advantage in from a near pristine image to one that has the
It’s up to us to grow continually in our many ways and exposure is one of them. grainy characteristics of a fi ne artist’s photo-
understanding of that harmony, be obedient With fi lm, sensitivity is not a variable. Th e graphic expression.
to exposure’s natural laws, and love to explore fi lm’s ISO (a standardize