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Re: [OM] OM-2 flash operation

Subject: Re: [OM] OM-2 flash operation
From: suchismit@xxxxxxxxx
Date: Thu, 07 Nov 2002 17:18:40 +0000
Sweet. And we can do the same with a taped OM-4. 
I can't wait to try it tonight !

-Tim
> Yes, it will work.  The technique is called "Painting"
> Rand E.
> 
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> "Roger D. Key" wrote:
> > 
> > It seems to me that this 'feature' of the OM-2 means that one can use the
> > OM-2 to take a flash photo of a large dark interior, where a T32 will not
> > be powerful enough. One can run around flashing (!) the T32 at different
> > areas, until the OM-2 has had sufficient light to complete the exposure.
> > 
> > Would that work?
> > 
> > Roger Key
> > 
> > The OM2 on auto will open the shutter with no idea of what shutter speed it
> > is going to use. If the second curtain is still open when the first curtain
> > completes its run, the X sync circuit fires the flash. The  light from the
> > flash is added to ambient. When there is sufficient total light, the second
> > curtain starts to close. The back EMF from the magnet is used to quench the
> > flash, *if the flash is still alight*. This is why the operation is
> > different for the pre N, as it doesn't distinguish between flash and non -
> > flash operation. The shutter speed actually used could be anything between
> > 1/60th and 2 minutes (or more in most cases), with or without flash.
> > 
> > Julian
> > 
> > >  from:    Robert Gries <rgg@xxxxxxxxxxx>
> > >  date:    Wed, 06 Nov 2002 18:48:13
> > >  to:      olympus@xxxxxxxxxxxxxxx
> > >  subject: Re: [OM] OM-2 flash operation
> > >
> > > All this flash talk has me wondering about the early version on the
> > > OM-2.  if one has it set on AUTO for a speed below 1/60, will it use
> > > that shutter speed, then control the flash output?  I know that the -2n
> > > will automatically go to 1/60, but does the earlier -2 have this
> > > slow-sync feature?
> > >
> > >
> > > Thanks!
> > > Bob
> > 
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> 
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