Andrew Reed
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Exposure Values, Exposure, Film Speed & Light intensity

f/stop Film Sensitivity (ISO)
1.0 1.4 2 2.8 4 5.6 8 11 16 22 75 100 125 200 320 400
EV Shutter Speeds Foot Candles
0 1 2 4 8 16 32 64 128 256 512 0.39 0.26 0.21 0.13 0.08 0.07
1 1/2 1 2 4 8 16 32 64 128 256 0.75 0.5 0.4 0.26 0.16 0.13
2 1/4 1/2 1 2 4 8 16 32 64 128 1.5 1 0.8 0.5 0.31 0.25
3 1/8 1/4 1/2 1 2 4 8 16 32 64 3 2 1.6 1 0.63 0.5
4 1/16 1/8 1/4 1/2 1 2 4 8 16 32 6 4 3.2 2 1.25 1
5 1/30 1/16 1/8 1/4 1/2 1 2 4 8 16 12 8 6.4 4 2.5 2
6 1/60 1/30 1/16 1/8 1/4 1/2 1 2 4 8 24 16 12.8 8 5 4
7 1/125 1/60 1/30 1/16 1/8 1/4 1/2 1 2 4 48 32 25.6 16 10 8
8 1/250 1/125 1/60 1/30 1/16 1/8 1/4 1/2 1 2 98 65 52 32 20 16
9 1/500 1/250 1/125 1/60 1/30 1/16 1/8 1/4 1/2 1 195 130 104 65 41 33
10 1/1000 1/500 1/250 1/125 1/60 1/30 1/16 1/8 1/4 1/2 390 260 208 130 81 65
11 1/2000 1/1000 1/500 1/250 1/125 1/60 1/30 1/16 1/8 1/4 750 500 400 260 163 130
12 1/4000 1/2000 1/1000 1/500 1/250 1/125 1/60 1/30 1/16 1/8 1500 1000 800 500 313 250
13 1/8000 1/4000 1/2000 1/1000 1/500 1/250 1/125 1/60 1/30 1/16 3000 2000 1600 1000 625 500
14 1/8000 1/4000 1/2000 1/1000 1/500 1/250 1/125 1/60 1/30 6000 4000 3200 2000 1250 1000
15 1/8000 1/4000 1/2000 1/1000 1/500 1/250 1/125 1/60 12000 8000 6400 4000 2500 2000
16 1/8000 1/4000 1/2000 1/1000 1/500 1/250 1/125 24000 16000 12800 8000 5000 4000
17 1/8000 1/4000 1/2000 1/1000 1/500 1/250 48000 32000 25600 16000 10000 8000
18 1/8000 1/4000 1/2000 1/1000 1/500 96000 64000 51200 32000 20000 16000
19 1/8000 1/4000 1/2000 1/1000 192000 128000 102400 64000 40000 32000
20 1/8000 1/4000 1/2000 384000 256000 204800 128000 80000 64000