Wireless Flash Photography Using Optical Transmission

You can use the built-in flash as the sender for external Canon Speedlites compatible with optical wireless flash photography to shoot with wireless multiple-flash lighting.

Receiver Setup and Positioning

Referring to the Instruction Manual of the Speedlite (receiver), configure the following settings.

  • Set up the Speedlite as a receiver.

  • Set the camera and Speedlite to the same channel.

  • To control the flash ratio, set the receiver's flash group.

  • Position the camera and receiver within the following range.

  • Arrange the receiver with its wireless sensor facing the camera.

  1. (1)Indoors
  2. (2)Outdoors
  3. (3)Approx. 10 m
  4. (4)Approx. 7 m
  1. (5)Approx. 80°
  2. (6)Approx. 5 m
  3. (7)Approx. 7 m

Canceling Receiver Auto Power Off

Press the camera's AE lock button. For manual flash, cancel by pressing the receiver's test flash button.

Methods of Wireless Flash Photography Using Optical Transmission

You can use the camera in the following wireless flash photography. Choose a method of shooting that suits your subject, shooting conditions, number of external flash units, or other details.

Speedlite Built-In Flash Settings Link
No. of Units A:B Firing Ratio Wireless Functions Firing Group

Fully automatic shooting
(E-TTL II autoflash)

 1 – – Speedlite SpeedliteAll ()
1 – Used Speedlite:Built-in flash – ()
Multiple – – Speedlite SpeedliteAll ()
Multiple Settings – Speedlite Speedlite(A:B) ()
Multiple – Used Speedlite+Built-in flash SpeedliteAll and Built-in flash ()
Multiple Settings Used Speedlite+Built-in flash Speedlite(A:B)Built-in flash
  • Flash exposure compensation
 ()
  • FE lock
Speedlite Built-In Flash Settings Link
No. of Units A:B Firing Ratio Wireless Functions Firing Group

Manual flash

 1/multiple – – Speedlite SpeedliteAll ()
Multiple Settings – Speedlite Speedlite(A:B)
1/multiple – Used Speedlite+Built-in flash SpeedliteAll and Built-in flash
Multiple Settings Used Speedlite+Built-in flash Speedlite(A:B)Built-in flash

[Speedlite] / [Speedlite]: external Speedlite; [Built-in flash] / [Built-in flash]: built-in flash

Caution

  • To control receivers optically, the built-in flash fires even when set not to fire.