| Term - Off the film metering | 
| Off the film metering | SWPP Photographic Glossary | Friday 31st October 2025 | 
 
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 Off the film meteringIs a meter which determines exposure by reading light reflected from the film during exposure. Pioneered by Olympus on its OM2n. Most flash modes have OTF. 
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| Information provided by: SWPP |