Digital BW, The Print

Kevin

You can do it either way. However, when you MERGE TO HDR (high dynamic
range- 32 bit) the raw file must be completely raw and unprocessed 16
bit data without adjustments. The other thing to remember is that
these exposures must not be more than 1 stop apart in exposure
otherwise you will begin to experience banding artifacts.

I leaned this procedure from Martin Evenings really good book
Photoshop CS2 for Photographers. Later I read more about it in Bruce
Frasier's outstanding Real World Camera Raw CS2, which I think
everyone who owns a digital camera should have. It's cheap and
extremely well written like all his books. It really helps you
understand the really useful capabilites of camera raw and do the
least damage to your files.

If you just want a straight forward description of what Photoshop's
HDR capability is all about here is a link that describes it.

http://www.adobeevangelists.com/photoshop/index.html 

If you search Photoshop's own data base through the program, typing in
HDR you will find essentially this same info.

I think this HDR stuff is the most under rated aspect of CS2 along
with the new smarter noise reduction capability and spot healing
brush. If you are shooting digital capture and are not working in CS2
you are missing a lot in my opinion. Of course it's expensive and we
can't share it any longer with our loved ones ;-( . 

John








--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "digikdm"
<monroekd@...> wrote:
>
> John,
> Could you elaborate on your technique for "droping" your bracketed 
> exposures in to PS-CS2 with instant registration and combine them 
> into one image. Is that done before or after the raw conversion?
> Thanks
> kevin monroe
> 
> --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "john dean" 
> <deanwork2003@> wrote:
> >
> > One of the very interesting developments in digital raw workflow
> > centers around the ability to shoot 3 bracketed frames - over, 
> under,
> > and in the middle, drop them into PS CS2 with instant registration 
> and
> > combine them instantly as one very smooth entity. It's a  major
> > improvement in dynamic range over the one frame 35mm camera or any 
> ccd
> > scanner, certainly including Imacon. That three frame registration 
> can
> > happen in about the time it would take to power up your scanner much
> > less have your film processed. However we aren't talking people 
> photo
> > though, its got to be static right now.
> > 
> > john
> > 
> > 
> > 
> > > smaller pictures and stitch them together. That way, you retain 
> the
> > > advantages of the quick turnaround, yet can still get gargantuan
> > images with
> > > loads of detail. Modern stitching software, like PTGui, has gotten
> > really
> > > good, and with some practice you can get really quick at it.
> > Shooting a 4x4
> > > array can realistically give you at least the equivalent of a 2x2 
> sized
> > > sensor, maybe even 3x3, after you factor out the overlap, and the
> > > interpolation filtering. So even a cheap eight megapixel camera 
> like
> > a Rebel
> > > XT should give you more than enough resolution.
> > > 
> > > --
> > > 
> > > Ciao,               Paul D. DeRocco
> > > Paul                mailto:pderocco@
> > >
> >
>