Re: Old lenses and *ist D

[Peter Alling]

It's still a mechanical linkage.  It would take statistical measurement of 
thousands of
lenses to make a determination.  In a perfect world the electronically 
controlled system
should be more accurate.  However it isn't a perfect world.

At 01:03 PM 10/13/03, you wrote:

----- Original Message -----
From: "Rob Studdert"
Subject: Re: Old lenses and *ist D
>
?
>
> General consensus appears to be to treat exposure like slide, once
saturation
> occurs it's a brick wall however generally the harder it saturates the
more
> nasty aberrations (coloured edges etc.) you'll see around the areas of
> saturation. Most digicams have more exposure latitude into the shadow than
> slide film however but a couple of stops short of the better print films.
Next question, how much more accurately (if at all) is the diaphram
controlled on an A lens rather than a K lens.
William Robb
I drink to make other people interesting.
        -- George Jean Nathan