When the Speedlite is attached to an EOS 1D series camera, you can set the flash level manually for closeup subjects.
- Set the camera and Speedlite
- Set the camera's shooting mode to <M> or <Av>
- Set the Speedlite to manual flash
2. Focus the subject
3. Setup an 18% gray card
- Place the gray card at the subject's position
- In the viewfinder, the entire spot metering circle at the center should cover the gray card.
4. Press the <FEL> button
- The Speedlite will fire a preflash and the required flash output for the subject is retained in memory
- On the right side of the viewfinder, the exposure level indicator will show the flash exposure level for the correct flash exposure
5. Set the flash exposure level
- Adjust the Speedlite's manual flash level and the camera aperture so that the flash exposure level aligns with the standard exposure index
6. Take the picture
- Remove the gray card and take the picture.
