G1 Flash Photograph 101

Started May 21, 2001 | Discussions thread
JC Junior Member • Posts: 39
Re: Non-EX Canon Flashes

Ted Felix wrote:

Peter T wrote:

I've never owned a dedicated flash so there may be something I
don't understand here. If the camera is in manual mode, why would
it use the dedication signals?

My understanding is that when the G1 is switched to manual, it
tells the external flash via the dedication signals to fire at full
power. This is how the built-in flash works too.

Why they do that is really beyond me. It would be much more useful
if it would just do E-TTL so you could shoot at a given f/stop
without having to use Av and be in "fill-flash" mode.

The whole point about using the special dedicated Canon flash cables is to get the TTL (non-full power) flash controlled by the camera's intelligence. Having the camera automagically handle the TTL/A-TTL/E-TTL flash output is important and does require the dedicated Canon cables. However, when the camera is put in manual mode, the TTL stuff is completely turned off (for flash output and for exposure settings). This is standard, and it's a good thing.

J. C.

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