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Re: [OM] Dr. Flash learns a thing or two... on auto flash

Subject: Re: [OM] Dr. Flash learns a thing or two... on auto flash
From: Ken Norton <ken@xxxxxxxxxxx>
Date: Tue, 15 Jul 2014 11:29:56 -0500
> It's not finished or necessarily correct and shouldn't have been sent so
> trying to follow a line of thought may be precarious.  What flash are you
> using in auto mode for fill... the T45?  As I've discovered not a lot of
> flashes allow for a -1 stop fill as the T-32 and T-45 do.

T45 and the 235HV.

It's very simple, really.

1. Set your ISOs the same on the camera and the flash.

2. Set your Shutter speed to your flash-sync speed.

3. With the flash turned off (to prevent the camera from getting
fooled by the presence of the flash and changing settings on you) get
your ambient exposure. Set the aperture to it.

4. Set the flash auto exposure to the setting which would be for one
stop brighter exposure than your camera's aperture setting. (If your
camera is set at F8, use the F5.6 auto setting on the flash).

That's it.  However...

Due to limitations of the flash and the shutter speed of the camera,
you may need to select a different ISO to work with. Unlike the Nikon
flashes, most auto flashes have a more limited selection of auto
settings to choose from.



-- 
Ken Norton
ken@xxxxxxxxxxx
http://www.zone-10.com
-- 
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