1/3 ISO Settings, for better or worse?
8 April 2009
No Comment
Essentially the standard ISO 100, 200, 400, 800, 1600 are the only ones that aren’t interpolated, that means the 160,240, 320 etc are just basically automated exposure compensation adjustment.
| ISO 100 | Initial | Primary |
| ISO 125 | Processed | 100 -1/3 stop |
| ISO 160 | Processed | 200 +1/3 stop |
| ISO 200 | Amplifier Gain | Primary |
| ISO 250 | Processed | 200 -1/3 stop |
| ISO 320 | Processed | 400 +1/3 stop |
| ISO 400 | Amplifier Gain | Primary |
| ISO 500 | Processed | 400 -1/3 stop |
| ISO 640 | Processed | 800 +1/3 stop |
| ISO 800 | Amplifier Gain | Primary |
| ISO 1000 | Processed | 800 -1/3 stop |
| ISO 1250 | Processed | 1600 +1/3 stop |
| ISO 1600 | Amplifier Gain | Primary |
| ISO 3200 | Processed | 1600 -1 stop |
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