identify f-stop at histogram - was: Re: [HDR-photo] Following on questions...

[D. Bethke - fotofreaks.de]

Hi Jack,

sounds like a working rule of thumb. I wonder how you manage to 
identify a 2/3 stop under-/overexposure from the
camera's histogram?

Regards,
Dieter


Jack Howard wrote:
> My general rule, when manual bracketing, is to shoot so the absolute
> hottest image elements are about 2/3 stop underexposed to when the
> darkest shadows are about 2/3 stop overexposed at about 1-stop
> increments...and experiment like crazy!
>
> It's also sometimes helpful to downsample a copy of the series to
> screen-sized for rough drafting, to speed processing, when using this
> method.
>
> Jack