Digital BW, The Print

Carl,

I have not done any stitching with the XT images yet.  I've done it with
film scans, however.  I know it works, but it is work also.  Ideally, I'd
like to have all the information in a single frame.

Paul
www.PaulRoark.com 


> -----Original Message-----
> From: DigitalBlackandWhiteThePrint@yahoogroups.com
> [mailto:DigitalBlackandWhiteThePrint@yahoogroups.com] On Behalf Of Carl
> Schofield
> Sent: Wednesday, April 27, 2005 5:02 PM
> To: DigitalBlackandWhiteThePrint@yahoogroups.com
> Subject: Re: [Digital BW] Re: Sigma lenses & Canon Digital cameras
> 
> 
> Paul,
> 
> Have you tried using your 50 or 85 on the Rebel XT to shoot a matrix of
> overlapping shots for stitching?  You can get quite a gain in effective
> resolution for making large prints.
> 
> Carl
> 
> On Apr 27, 2005, at 8:30 PM, Paul Roark wrote:
> 
> >
> >
> > Clayton,
> >
> >
> >> ... my question to Paul was not
> >> theoretical.  I'm asking him what has been his practical experience so
> >> far.
> >
> >
> > I did some shooting with the Rebel XT, comparing the 18 - 55mm zoom
> > that
> > comes with it to my old 50mm f1.8 standard Canon EF (cheap but very
> > good)
> > lens.  In the lab, the resolution tests made it appear the zoom was
> > about as
> > good as the 50mm.  In actual photos today, the 50mm looked
> > significantly
> > better.  The 50mm was very good at f4 and excellent from f5.6 on.  The
> > zoom
> > could only match the 50mm at the center at f11.
> >
> > The real problem with the zoom was at the edges, especially in the dark
> > greenery.  The best the zoom could do at the edges was not as good as
> > the
> > 50mm at f2.8. I'm not sure why it looked so much worse in the field
> > than
> > lab.  I suspect higher flare contributed to wiped out the shadow
> > details.
> >
> > So, I've made a full circle on the lenses.  I'm back to wishing my 24mm
> > Sigma worked.  I may buy a 24 Canon, and use it and my 50mm.  It
> > doesn't
> > look like using the cheap zoom is going to be a fair test of what an 8
> > mp
> > camera can do.  I would not consider a cheap zoom for my film use, so
> > why
> > should digital be any different?  (I'm not totally anti zoom.  My 50 -
> > 200 L
> > and Fuji Zi zooms are outstanding.  I'm not, however, ready to drop
> > $800 for
> > the 10 - 22 until I'm more convinced this digital approach is going to
> > satisfy me.)
> >
> > Paul
> > www.PaulRoark.com
> >
> 
> 
> 
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