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Term - Ortho |
| Ortho | SWPP Photographic Glossary | Thursday 21st January 2021 |
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OrthoShort for Orthochromatic – a high contrast film that's sensitive to all colour other than red and deep orange. As a result these can be handled under red safelight conditions and are designed primarily for reproducing halftone images or artistic black and white shots that have few mid tones.
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