Hi, I'm gonna get a "1st hand" 580exll Flash, apparently the seller say it's brand new, so let's take it as buying a brand new set. It's going at $660. Is it cheap?? How much is the market price now? Please help! I don't wanna rise buying from a stranger when if the market price is going ard $660~$680 kind of price..
Btw, to reassure a good buy, those speedlite flash users, is having a external flash really of importance compared to built in flash?
Need serious advice!!! thanks guys!!
ps. Even built in flashes have diffuser itself, in that case, is buying an external flash still worth it??