The Rebel T2i also uses E-TTL II control for both the built-in and compatible external flashes (according to Canon this includes the older 550EX flash, as well as the newer models), a standard ...

*Note: Buffer clearing times measured with a SanDisk Extreme III 30MB/sec 8GB SDHC card. Slower cards will produce correspondingly slower clearing times. Slow cards may also limit length of bursts ...

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