Term - Crossed polarization |
Crossed polarization | SWPP Photographic Glossary | Wednesday 25th December 2024 |
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Crossed polarizationSystem of using two polarizing filters, one over the light source and one between the subject and the lens. With certain materials crossed polarization causes bi refringent effects which are exhibited as coloured bands. Used in investigations of stress areas in engineering and architectural models.
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Information provided by: SWPP |