Skip to main content
Glite Dictionary
🇬🇧 English learning ⚽ English football league 📷 Lens focal length
EFL

EFL

8.2
The distance that controls how much of a scene a camera lens shows
  • noun
  • Specialized
translation icon : distancia focal efectiva
  • The EFL of this lens is 50mm.

Examples

  • A shorter EFL provides a wider angle.

  • Photographers often consider EFL when choosing the right lens for their camera.

  • The EFL of this lens makes it perfect for landscape photography.

  • By changing the EFL, you can capture a wider or narrower scene.

  • The EFL of this lens makes it perfect for landscape photography.

  • By changing the EFL, you can capture a wider or narrower scene.

  • Photographers often consider EFL when choosing the right lens for their camera.

Synonyms

focal length
vsEFL
  • Specialized
7 5.5

The distance from a lens to the point where parallel light rays meet

serves to express angle of view in photography
focal distance
vsEFL
  • Specialized
5.2

The distance from a lens or mirror to the point where parallel light rays meet

serves to express angle of view in photography rather than surface distance

How Long

telephoto lens
  • Specialized
5 3.9
EFL
  • Specialized
8.2
wide-angle lens
  • Specialized
5 4.0

Surface Forms

EFL singular
EFLs plural

Etymology

EFL stands for effective focal length, where focal means 'focus' and length means 'distance'. So EFL is the lens's effective focus distance and that is why it makes the picture wider or narrower.