測光
解説 Definition
metering は meter（測る、計量する）の現在分詞・動名詞で、ここではカメラなどで光量を測る「測光」を表します。写真や映像制作で、露出を決めるために光を測定する場面で使われます。
In photography, metering is the process by which a camera or light meter measures the light in a scene to determine an appropriate exposure. It can also be the present participle of meter when describing this measurement as it occurs.
覚え方のコツ Memory Tip
metering は meter「計測する」に -ing を付け、語末の r を重ねず作る形で、発音は /ˈmiːtərɪŋ/。写真ではカメラが光量を測って露出を決める「測光」を指す。spot metering、center-weighted metering、check the metering という組み合わせで覚える。
Metering is meter plus -ing, with no doubled final consonant: meter becomes metering. In photography, imagine the camera acting as a meter before the shutter is released. It measures the light and helps select an exposure, so metering is more specific than simply looking at brightness. Learn it through standard combinations such as spot metering, center-weighted metering, metering mode, and check the metering. Spot metering measures a small part of the frame, while other modes consider a wider area. The pronunciation keeps the long vowel of meter: /ˈmiːtərɪŋ/.
例文
The camera's metering was accurate in the bright snow.
明るい雪の中でも、そのカメラの測光は正確でした。
She checked the metering before taking the portrait.
彼女はポートレートを撮る前に測光を確認しました。
Spot metering helped him expose the subject correctly.
スポット測光のおかげで、彼は被写体を適切な露出で撮れました。
metering の類義語・関連語
metering の語源・成り立ち Etymology
metering は meter＋-ing。meter はギリシャ語 metron「尺度・測るもの」に由来し、measure や diameter と同根で、「尺度を当てて量をはかる動作」が metering の核。関連語は measure, diameter。
Metering is formed from the verb meter and the suffix -ing. Meter ultimately derives from Greek metron, “measure,” through Latin and French forms. The same Greek element appears in words involving measurement, including diameter. In photographic use, metering names the act or process of measuring scene brightness so that a suitable exposure can be selected.
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