At 5:45 AM +0000 1/23/03, olympus-digest wrote:
>Date: Thu, 23 Jan 2003 10:53:00 +1100
>From: Wayne Harridge <wayneharridge@xxxxxxxxxxxxxxx>
>Subject: Re: Re: [OM] Re: PC Sync, FP flash
>
> > Mickey Trageser <vze3m2s8@xxxxxxxxxxx> wrote:
> >
> > Anybody have a link to bulb guide numbers?
> > -Mickey
>
>GN will depend on the flash gun, in particular reflector size and shape.
My recollection is that flash bulbs (at least the professional ones) were also
rated for total optical output, in candle-seconds or lumen-seconds or the like.
This would be the best way to make the comparison, as total optical output
does not depend on the size and shape of the reflector.
Joe Gwinn
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