Canon 580EX Speedlite 580EX Manual - Page 4

Thank you far purchasing a Canon product. The Canon Speedlite 58QfX is an EOS-dedicated, high-output flash unit automatically compatible with E-TTL II, E-TTL, and TTL autoflash . It can be used in three different wags : As a normal on-camera flash, the master unit for a wireless, multi-Speedlite flash system, or a slave unit. Read this instruction manual while also referring to your camera's instruction manual . Before using the Speedlite, read this instruction manual and your camera's instruction manual to familairize yourself with the Speedlite operations . s The basic operation is the same as with normal AE shooting . When the 58DEX is attached to an EMS camera ; almost all automatic exposure control for flash photography is handled by the camera. It is almost the same as using the camera's built-in flash if it has one. You can think of the 580EX as a built-in, high-output flash. It is automatically compatible with the camera's flash metering mode {E-TTL II, E-TTL, and TTL} . The camera controls the Speedlite automatically in the following flash metering modes: 1 . E-TTL II autoflash (evaluative flash metering with preflash reading/lens distance information) 2. E-TTL autoflash (evaluative flash metering with preflash reading) 3. TTL autoflash (off-the-film metering for real-time flash metering) Regarding the camera's available flash metering modes, refer to the camera's instruction manual . The Speedlite's major specifications are listed in "External Flash Items:" The camera instruction manual's chapter on flash photography will refer to cameras having 1 and 2 as a Type-A camera (compatible with E-TTL or E-TTL II). And cameras having 3 (compatible with only TTL) are called Type-113 cameras. This instruction manual assume that you are using the 580EX with a Type-A camera . For Type-B cameras, see page 53 . 2