Exposure
aperture and the shutter speed
The
aperture and the shutter speed work alongside each other so we can have a good
exposure and control on the type of image we want, for example, a full in-depth
image or only a specific section of the image and the rest is blurry, or if we
want to catch a image that is moving but in a still motion, see examples below.
The
light that enters the lens that is recorded on the sensor at each stop is
always the same amount of the light entering but, only the exposure is changed, so we have control on the
type of image we want to capture.
So
if we change the shutter speed we must change the depth of field numbers e.g. the
‘f’ numbers.
Faster
speed—freezing the motion
shutter and aperture speed
1) 1/60 f 9
2) 1/11 f 9
3) 1/10 f 5.6
4)
5) 1/100 f 9
FULL DEPTH
low shutter speed and higher f number than the one below
6) 1/200 f 5.6
SMALL DEPTH
higher shutter speed and lower ' f 'number than the one above
7) 1/4 f36
8) 1/8 f20
9) 1/160 f 5.6
10) 1/125 f 5.6
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