I'm an amateur SLR user, so dont want to drop $500 on the newer 580EX..
Is the 550 just an older model with the same features? Is 175 cash a good price for a used flash? Does it matter how many times the flash has been used, or will it last as long as I keep putting new batteries in?
Is the 550 just an older model with the same features? Is 175 cash a good price for a used flash? Does it matter how many times the flash has been used, or will it last as long as I keep putting new batteries in?