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Re: [OM] yet more on the F280

Subject: Re: [OM] yet more on the F280
From: "Babis E. Mavridis" <mavridis@xxxxxxxxxx>
Date: Mon, 22 Apr 2002 02:14:30 +0300
>But it won't have any effect in Super FP mode, because the flash's output
is
>"continuous." You can't get more flash light to the film by opening the
>aperture, because the shutter speed will shorten in the opposite
proportion.

Yes this is correct.



Babis

----- Original Message -----
From: "William Sommerwerck" <williams@xxxxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Sent: Sunday, April 21, 2002 05:52
Subject: [OM] yet more on the F280


> "If you use OM4Ti in auto mode and flash set at Super FP, you will only
get
> proper flash control at shutter speed over 1/60s."
>
> There is no "proper control" of the Super FP mode. The flash's output is
> uncontrolled -- multiple bursts that look like continuous output. The
output is
> constant, regardless of film speed, aperture, shutter speed, ambient light
> level, or distance from the subject -- just as if you were using a manual
> flash.
>
>
> "It is not the shutter speed [that] affects your flash working distance,
it is
> the ambient light intensity. If ambient light intensity is fixed, the
shutter
> speed and aperture is a constant value. e.g. you can only get higher
shutter
> speed by open up the aperture and in this case larger aperture passes more
> light to film."
>
> But it won't have any effect in Super FP mode, because the flash's output
is
> "continuous." You can't get more flash light to the film by opening the
> aperture, because the shutter speed will shorten in the opposite
proportion.
>
>
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