What Is Remote Flash Photography?
Take pictures with one or more remote flash units using wireless flash control (Advanced Wireless Lighting, or AWL). For information on using a flash unit mounted on the camera accessory shoe, see “Using an On-Camera Flash” (0Using an On-Camera Flash).
Throughout this chapter, operations involving an accessory connected to the camera are indicated by C, operations involving remote flash units by f. For more information on using remote flash units (f), see the documentation provided with the flash unit.
Using Remote Flash Units
Remote flash units can be controlled via:
radio signals * (0Radio AWL),
optical signals from a flash unit mounted on the camera accessory shoe (0Optical AWL), or
radio signals, with additional lighting provided by a shoe-mounted flash unit * (0Adding a Shoe-Mounted Flash Unit).
Radio flash control is available only when a WR‑R11a or WR‑R10 is connected to the camera.