Film set glossary · Camera
Focal length
The lens value in millimetres that sets the angle of view: shorter is wider, longer is tighter. On smaller sensors the same lens frames tighter, so it is compared in full-frame equivalents.
- Korean
- 초점거리
In other languages
- 한국어 · KO
- 초점거리
- 렌즈의 화각을 정하는 값(mm). 짧을수록 넓게(광각), 길수록 좁게(망원) 담긴다. 같은 렌즈도 센서가 작으면 화각이 좁아져 풀프레임 기준으로 환산해 비교한다.
- 日本語 · JA
- 焦点距離
- 画角を決めるレンズの値（mm）。短いほど広く（広角）、長いほど狭く（望遠）写る。同じレンズでもセンサーが小さいと画角が狭くなるため、フルサイズ換算で比べる。
Related
- Prime lensA lens with one fixed focal length — usually faster and lighter than a comparable zoom, but you change lenses to change framing. A zoom covers a range of focal lengths.
- ZoomChanging the lens focal length to magnify (zoom in) or widen (zoom out) the image without moving the camera; unlike a dolly move, perspective does not change.
- Depth of fieldThe range in front of and behind the focus point that looks sharp. It gets shallower with a wider aperture, longer focal length, closer subject and, for the same framing, a larger sensor.
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