i-TTL balanced fill-flash:i-TTL flash control type in which flash output level is adjusted to well-balanced exposure of the main A subject and background
Standard i-TTL flash: i-TTL flash control type in which flash output level is adjusted to the correct exposure of the main subject regardless of background brightness
Manual flash control: flash control mode in which the flash output level and aperture are manually set to obtain the desired exposure
Wireless multiple flash-unit photography: flash photography with multiple wireless flash units simultaneously firing
Master flash unit: the flash unit that commands remote flash units in multiple flash-unit photography
Remote flash unit: a flash unit that fires following commands from the master flash unit
Advanced Wireless Lighting: wireless multiple flash-unit photography with CLS; multiple remote flash unit groups can be controlled with the master flash unit
