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Godalming Photographic Club |
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Photography |
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Techniques, |
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Hints & Tips |
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20mm |
24mm |
28mm |
35mm |
50mm |
70mm |
135mm |
200mm |
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Aperture |
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f/8 |
1.4 |
2 |
3 |
4.2 |
8.5 |
17 |
60 |
140 |
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f/11 |
1 |
1.5 |
2 |
3 |
6.3 |
12.3 |
46 |
100 |
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f/16 |
0.7 |
1 |
1.5 |
2.1 |
4.3 |
8.5 |
31.5 |
70 |
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f/22 |
0.5 |
0.7 |
1 |
1.5 |
3.1 |
6.2 |
23 |
50 |
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By
focusing on the distance stated, depth of field will extend from half that distance to infinity |
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From
a talk to GPC by Philippa Davies - January 2007 |
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