105
+2.0 Ev
+1.0 Ev
0.0 Ev
–1.0 Ev
–2.0 Ev
4X as much light
2X as much light
1/2 as much light
1/4 as much light
Calculated exposure
Ev stands for exposure value. A
change of one Ev adjusts the
exposure calculated by the camera
by a factor of two.
WHAT IS AN EV?