Everything you say, I should translate into Korean.

Goodman Shene..
You are great!!!



Ching-Kuang Shene wrote:
>
> Tang Mung San wrote:
> > Hey guys, save all your money to buy all those full features expensive
> > flash gun as all Nikon CP including our 5700s do not support even
> > TTL metering. All metering for flash exposure is being picked up by
> > the light sensor located on the pop-up flash unit. That's why even
> > when you use external flash, the pop-up flash must be activated.
> >
> I believe we should distinguish TTL-metering and the TTL-flash
> capabilities. The flash TTL capability requires the camera to send
> out start and stop signals in addition to other information. Even
> though the camera metering system is not through the lens, you can
> still set the flash to TTL to communicate with the camera in the
> TTL way, because the flash actually DOES NOT know if the signals
> are generated by a true TTL metering system or by a pseudo-TTL
> system that the Coolpix cameras have. Because of this fact, we
> cannot say "the Coolpix cameras are not TTL" as we do not say what
> this TTL means.
>
> The pseudo-TTL system reduces the cost of a camera. However,
> because what it sees is not what the lens sees, especially at
> shorter distances, sometimes perfect exposure may not be obtained.
>
> CK
> http://www.cs.mtu.edu/~shene/DigiCam
>