EOS 1v / 1v HS : How to use flash exposure (FE) lock

Article ID: ART151434 | Date published: 05/22/2015 | Date last updated: 02/05/2016
 

Description

How to use flash exposure (FE) lock

Solution

FE (Flash Exposure) lock obtains and locks the correct flash exposure reading for any part of the scene


Check that the Speedlites pilot lamp is lit
  • The flash mode can be either normal or high-speed sync. FE lock works with either mode

Focus the subject

  • Focus at the point where you want to lock the flash exposure

Aim the spot metering circle over the part where you want to lock the flash exposure, then press the <FEL> button (16sec.)

  • The Speedlite fires a preflash and stores the required flash output in memory
  • In the viewfinder, the focusing point achieving FE lock flash in red
  • Below the viewfinder, the display shown by (1) appears for 0.5sec. followed by the display shown by (2)

Compose then shot and take the picture

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