Digital BW, The Print

Bill,

My plate is full. Can you moderate that one for me. I'd really appreciate
it. <G>

But the range of your URL address is much too compressed to encompass the
full breadth and depth of the erudite discussions likely to take place in
such a vaulted space.

Thanks,
Martin

PS. Don't forget your boots.


----- Original Message -----
From: "Bill Morse" <willym@...>
To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
Sent: Sunday, March 24, 2002 8:55 PM
Subject: Re: [Digital BW] Dynamic Range


> I've got it- start a new list- we'll call it:
>
TheNoiseOfNeverEndingDynamicRangeOrIsItDensityRangeButItHasShitToDoWithB&WDi
> gitalPrinting@... list!  Just start, *everybody will go there, in 2
> months you'll have 10,000 posts, and everybody'll feel great.  Am I a
genius
> or what!???
>
> LOL
>
> Bill
>
> on 3/24/02 11:18 PM, Todd Flashner wrote:
>
> on 3/24/02 6:27 PM, Martin Wesley wrote:
>
> > I am afraid that we are probably the only ones wading through this and
> > should go off list or hope for a chance to actually discuss in real
time.
>
> Please don't. This discussion will continue to rear it's head here until
> it's finally put to bed. I agree it might not be everybody's taste, but
you
> are, in an oblique way, still discussing what is dynamic range and how it
> may relate to BW prints.
>
> If you guys do take it off list could you at least CC me your posts - I'm
> interested.
>
> Martin wrote:
> >> I think that you are redefining dynamic
> >> range in light of your electronics and digital background that are not
> >> completely applicable to a paper print.
>
> Austin Wrote:
> > Dynamic range IS dynamic range, period, what ever the application!  It
is
> > completely applicable.  As I've said, this is a point of confusion that
has
> > been around for some time, understanding the difference between density
> > ratio values and dynamic range, and that they are not interchangeable
terms.
> > The term dynamic range is typically misused.  It is similar to the
> > misunderstanding that because positive film has a wider density range,
that
> > it has a higher dynamic range, and it does not.  Negative film has more
> > discernable tones than positive film, and yet it has a shorter density
> > range.
>
> After the last time this discussion occurred on list Austin and I
continued
> it off-list, and what I came to realize is that Austin does know this
stuff
> inside out but he does use the terminology differently than most Photoshop
> authors. I don't know which is right, or if it just boils down to what is
> common usage.
>
> Austin's background is scanners and digital capture, and in that world,
> where the data is written linearly, dynamic range is defined by the number
> of discreet points of data. That's why I always thought he was confusing
bit
> depth with DR, because he speak of the number of tones, but he's not -
> That's just how DR is considered in that world.
>
> Austin, there was one point in our last conversation that you promised
you'd
> clear up for me but did not, perhaps you could do so now? You said two
> things that seemed to contradict each other:
>
> A) any DR can be defined by two bits of data. First off, why two bits and
> not one. I'm assuming you were speaking to what you consider "range" when
> you said that; If so, why not one bit of data: dmin-dmax? B) DR is defined
> by the number of discreet steps of data. That seems in direct
contradiction
> to A.
>
> Could you explain the relationship of A to B?
>
> Thanks,
> Todd
>
>
>
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