Term - Reciprocity failure |
| Reciprocity failure | SWPP Photographic Glossary | Sunday 18th January 2026 |
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Reciprocity failureIt occurs in photographic emulsions when exposure times fall outside a films normal range. At these times an increase in exposure is required in addition to the assessed amount. This can be achieved either by increasing intensity or time.
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Information provided by: SWPP |