Customizing the Speedlite

This chapter describes how to customize the Speedlite with the Custom Functions (C.Fn) and Personal Functions (P.Fn).


  • When the camera's shooting mode is set to a fully automatic mode or a Basic Zone mode, the operations in this chapter are not available. Set the camera's shooting mode to Flexible AE Program AE Shutter priority AE Aperture-priority AE Manual exposure bulb (Bulb) (Advanced shooting zone).