James wrote:
> I was talking about flash meters (currently in the market for
> one) to a
> local salesman, and was told that there is not a flash meter
> made that will
> reliably meter flash from a speedlite, because speedlites control the
> amount of light by duration of flash as opposed to intensity
> (like studio
> heads). I asked, well what about when the speedlite is in
> manual mode,
> surely we must get accurate readings then? And the salesman
> replied that
> sometimes accurate readings might come about this way, but it
> is still
> unreliable.
>
> As a newbie to the flash meter I ask, is this true or is this
> salesman off
> base? Will a flash meter help me get a better handle on my
> flash set up of
> 550 EX in slave manual mode and optical slave triggered
> sunpacks? (fired
> with the st-e2)
>
------------------------------------------------------------
James,
THat's half right. There is not a flash meter made that can meter
E-TTL or TTL properly. However, all flash ouput are adjusted by
duration of the light not intensity. There is no way to control
the latter aside from duration.
Peter K
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