> I understand it like this: An auto flash will have its own built-in quench > circuit. As long as you follow the ISO/aperture/distance guide, you're okay. > > TTL relies on the camera to quench the flash, and if the camera can't get it > right, then...
... the camera is defective and needs servicing ? If auto flash is able to get correct exposure why wouldn't the camera be able to do the same thing. TTL flash should work better than auto flash not worse.
