Thanks Darrell...if you can remember that address that would be greatly
appreciated...
----- Original Message -----
From: "Darrell Dorsey" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Saturday, January 20, 2001 1:39 PM
Subject: Re: Re: EOS film speeds
> > That helps Skip, but can you explain how 2 stops would equate to
ISO...It
> > appears as if you multiply your ISO by 2 then do it a second time or
> divide
> > by 2 then do that again to get 2 stops either way...If I was shooting
800
> > speed film, could I then set the ISO at 400? This would then open up
the
> > aperature more?
>
> > Would this affect the speed of focusing?
>
> No as the focus as I understand it is based on max apeture of the lens,
i.e.
> a f2.8 lens might lock focus faster than a f5.6 lens in low light.
>
> > Which direction would be overexposed and which would be underexposed?
> Thanks for your help
>
> Jason,
>
> Sounds like you need to get a basic book on photography. There are some
> tutorials on the web, but I cant remember the address just now. Will send
> them if I find them.
>
> Darrell
> [EMAIL PROTECTED]
>
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