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Re: [OM] Better Flash recs & handle mounted flash Q

Subject: Re: [OM] Better Flash recs & handle mounted flash Q
From: Garth Wood <garth@xxxxxxxxxxxxxxx>
Date: Tue, 29 Feb 2000 19:32:06 -0700
At 08:24 PM 2/29/00 -0500, Joey Richards wrote:

[snip]

>If you add a second t32, you will get twice the flash power at 64
>meters, so you'd only need to pick up 1 stop through aperture choice
>or film speed.  Four t32s would get you 64 meters at iso100 and f/1.

I believe you'd get approx. 1.4 times the flash power (in terms of 
illumination) due to inverse square law.  Not that my addled middle-aged brain 
remembers all that well...

>Note that since the GN is determined for an f/1 aperture setting,
>it'll be difficult to actually use a t32 as primary illumination at
>32 meters.  I don't think there are any 300mm/1.0 lenses in the
>Zuiko lineup.

No, but there *should* be!  8^>

Garth


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