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Photo Forum / Photo Technique / People Photography / September 2003

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Flash issues

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John N. - 26 Aug 2003 14:18 GMT
I'd appreciate a little help with flash photography. I've read some on flash
as it relates to people photography and I still end up with questions. I'm
shooting a Minolta X-700 with a Minolta 360 PX flash, though I don't think
my questions are specific to that set-up.

If I go with the program or aperture priority TTL settings, I'm locked into
the camera's idea of correct exposure somewhat. I know I can use exposure
compensation, but I end up sacrificing control of the aperture. So, I drift
towards wanting to use one of the non-TTL modes.

If the camera syncs at 1/60, and I want to keep f /2.8, and provide just a
little fill-flash to an outdoor portrait, what's the best way to do that? My
flash has fully manual capabilities too, and also power settings ranging
down to 1/16. The many variables quickly overwhelm my tiny brain.

I'm also trying to find an approach to flash photography of people at night
time. I was recently taking some shots of my nephew and his girlfriend, and
we ended up out late taking some in the dark with street lights, etc. in the
background. I really had no clue what to do with their fair skin, and nearly
black background.

Any help appreciated.

John
lalil@lule.lo - 27 Aug 2003 09:23 GMT
>If the camera syncs at 1/60, and I want to keep f /2.8,
>and provide just a
>little fill-flash to an outdoor portrait,

You're contradicting yourself - in such situations you need a very
slow film or ND filter, which in turn necessitates a powerful flash
unit.   See http://www.dantestella.com/technical/fill.html

Rick
Larry Miracle - 28 Aug 2003 17:28 GMT
Normally in Program Mode that camera will set the aperture for correct
exposure of ambient light and then use TTL flash to balance the
exposure (controled by light being metered off the film during
exposure).

In Manual mode TTL flash will balance the flash output to any aperture
you choose.
Some flashes allow you to turn the output down by 1/2,1/4,1/8, and you
may be able to lower the flash balance/output in TTL mode.

Otherwise you could use the flash in auto mode, and set the cameras
aperture to a different f/stop than the flash is set to.

So if the camera is set to 1/60 (flash sync) and uses f/8 for correct
ambient exposure, set the flash to Auto f/5.6 to lower flash output
one stop underexposure.

Or set both to f/8 and use the power output adjustment at 1/2 to lower
flash output one stop underexposure.

Make sure the camera and flash are set to the same ISO/ASA in Auto
mode.

Larry

>I'd appreciate a little help with flash photography. I've read some on flash
>as it relates to people photography and I still end up with questions. I'm
[quoted text clipped - 20 lines]
>
>John
John N. - 28 Aug 2003 20:39 GMT
> Normally in Program Mode that camera will set the aperture for correct
> exposure of ambient light and then use TTL flash to balance the
[quoted text clipped - 5 lines]
> Some flashes allow you to turn the output down by 1/2,1/4,1/8, and you
> may be able to lower the flash balance/output in TTL mode.

> Otherwise you could use the flash in auto mode, and set the cameras
> aperture to a different f/stop than the flash is set to.
[quoted text clipped - 10 lines]
>
> Larry

Thanks for the input. I've read a little more since the original post, and
what you're saying makes sense to me and is consistent with what I'm
learning.  I'm gonna burn my Minolta manual, because that thing just gets me
cornfused.
Larry Miracle - 30 Aug 2003 00:05 GMT
Hey! my first camera was an X-700.
There's not a thing wrong with that camera, and any other camera other
than a point & shoot will be just as hard if you really want to learn
how to use it.

Until then put the shutter control on P, lock the aperture stopped
down and just use the flash in TTL mode.
All you got to do is focus.

Larry

>Thanks for the input. I've read a little more since the original post, and
>what you're saying makes sense to me and is consistent with what I'm
>learning.  I'm gonna burn my Minolta manual, because that thing just gets me
>cornfused.
John N. - 02 Sep 2003 19:37 GMT
> Hey! my first camera was an X-700.
> There's not a thing wrong with that camera, and any other camera other
[quoted text clipped - 4 lines]
> down and just use the flash in TTL mode.
> All you got to do is focus.

The first 15+ years I owned the camera, that's exactly what I did <g>.
 
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