Just bought a new Canon digital SLR camera but confused about which flashgun you should buy to go with it? Bob Atkins has a handy overview of the Canon flashguns, including the new Canon Speedlite 580EX flashgun.
“If I was a typical amateur photographer who was looking for a new speedlite to go with a new DSLR, I’d probably go for the 420EX unless I was serious about flash photography. It has most of the features that average photogrpher is likely to need for single flash work. If you want to use multiple flash units, then the wireless control features of the 580EX makes it the better buy, but you’ll still need a 420EX (or another 580EX) as your wireless slave! The 580EX is also required if you want manual control of flash power and stroboscopic operation. It’s clearly a better and more capable flash, but it’s an extra $200.”