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Re: filmscanners: Pixels per inch vs DPI
Arthur Entlich wrote:
> SKID Photography wrote:
>
> >
> > I think you will find that very few, if any, flashes are of such a
> short duration. It has been my experience
> > that the difference between, a 250th, 125th and 60th of a second
> exposure and almost any brand electronic
> > flash will yield very different film exposures, no matter what type
> of shutter you are using.
> >
> >
> > Harvey Ferdschneiderpartne
> > partner, SKID photography, NYC
> >
>
> My Vivitar 285 flash indicates specifications of 1/1000th to 1/30,000
> sec, but it is what, 20 years old?
>
> I couldn't find the specs of my much newer Nikon speedlite, but I think
> it has an even faster minimum speed.
>
> Art
>
Try taking 3 different photos (Poaloids will do), at a 60th, 125th and 250th of
a second. Will will see that
there will be a significant exposrue difference between them.
As far as 'spec' go, this would not b the first time that manufacturers fudged
them.
Harvey Ferdscneider
partner, SKID Photography, NYC
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