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TAB. 5 |
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DIN to
ASA RELATIONS |
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Sensitivity
doubles every 3 DIN (Ex.: 24 DIN is 2x faster then 21 DIN) |
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by ASA, the proportionality is linear |
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DIN |
ASA |
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DIN |
ASA |
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1 |
1 |
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19 |
64 |
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2 |
1,25 |
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20 |
80 |
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3 |
1,6 |
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21 |
100 |
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4 |
2 |
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22 |
125 |
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5 |
2,5 |
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23 |
160 |
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6 |
3,2 |
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24 |
200 |
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7 |
4 |
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25 |
250 |
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8 |
5 |
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26 |
320 |
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9 |
6,4 |
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27 |
400 |
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10 |
8 |
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28 |
500 |
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11 |
10 |
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29 |
640 |
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12 |
12,5 |
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30 |
800 |
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13 |
16 |
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31 |
1000 |
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14 |
20 |
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32 |
1250 |
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15 |
25 |
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33 |
1600 |
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16 |
32 |
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34 |
2000 |
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17 |
40 |
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35 |
2500 |
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18 |
50 |
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36 |
3200 |
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NOTE |
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DIN = Deutsche Industrie Norm (Norm of German
Industry) |
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ASA = American Standard
Association |
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( later
replaced with ISO = International
Standard Organization ) |
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