Archived posting to the Leica Users Group, 2004/03/03

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Subject: Re: [Leica] Ambient light + Strobe metering question
From: "animal" <s.jessurun95@chello.nl>
Date: Wed, 3 Mar 2004 17:29:12 +0100
References: <BAY10-F10903JGXzOMx0000e991@hotmail.com>

there is a nice compact explanation on pages 37 38 of the kodak photoguide
isbn 0879857595
best regards
simon jessurun
- ----- Original Message ----- 
From: "eric korenman" <leica_korenman@hotmail.com>
To: <leica-users@mejac.palo-alto.ca.us>
Sent: Wednesday, March 03, 2004 3:20 PM
Subject: RE: [Leica] Ambient light + Strobe metering question


> I am using completely manual setup with a 320 w/s monolight which I can
dial
> up/down power ouptut.
> I am trying to figure out how to measure flash output with an incident
meter
> and isolate that measurement from ambient light.  Or is this really not a
> significant difference in most situations?
>
> Eric
>
>
> >From: "Don Dory" <dorysrus@mindspring.com>
> >Reply-To: leica-users@mejac.palo-alto.ca.us
> >To: <leica-users@mejac.palo-alto.ca.us>
> >Subject: RE: [Leica] Ambient light + Strobe metering question
> >Date: Wed, 3 Mar 2004 07:23:43 -0500
> >
> >Eric,
> >If you have a manual flash then the appropriate Fstop for the flash is
> >based on distance of the flash to the subject (based on guide number or
> >power output of the flash).  The drill would be set ambient exposure
> >making sure your shutter speed is not higher than the flash synch speed,
> >focus, check distance/Fstop on the flash, reset ambient exposure so the
> >Fstop corresponds to what the flash needs.  This is a lot easier if you
> >have a flash with variable power like the old Vivitar 283's or a lot of
> >the Metz units.
> >
> >In the modern age, if you have a TTL flash system, the camera adjusts
> >the flash so you get fill without thinking.
> >
> >
> >Don
> >dorysrus@mindspring.com
> >
> >-----Original Message-----
> >From: owner-leica-users@mejac.palo-alto.ca.us
> >[mailto:owner-leica-users@mejac.palo-alto.ca.us] On Behalf Of eric
> >Sent: Tuesday, March 02, 2004 10:27 PM
> >To: LUG
> >Subject: [Leica] Ambient light + Strobe metering question
> >
> >A photo technique book I was reading has a chapter on using a strobe for
> >fill light.
> >As an example, the author discussing an ambient lit scene which meters f
> >5.6
> >at 1/125 sec
> >He then discusses the use of a strobe set to output of 5.6 and varying
> >the
> >shutter speed to add or subtract ambient light.
> >
> >Question:
> >When shooting outdoors and metering a scene (ambient light + strobe),
> >how do
> >I
> >isolate the f stop output of the strobe?
> >Do I meter ambient light, then meter ambient light + strobe and use the
> >difference to
> >figure my flash output?
> >Do I just subtract f stops to figure the flash output?
> >
> >thanks,
> >flash newbie Eric.
> >--
> >To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html
> >
> >
> >--
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>
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In reply to: Message from "eric korenman" <leica_korenman@hotmail.com> (RE: [Leica] Ambient light + Strobe metering question)