Digital BW, The Print

Carl,

Great comparisons! Get Realviz Stitcher 4.0 and "painful stitching" will be a thing of the past! Not inexpensive software, but, IMO, the best out there for doing this type of work.

Alan Huntley

> 
> From: Carl Schofield <scho@...>
> Date: 2004/12/10 Fri PM 12:57:41 EST
> To: DigitalBlackandWhiteThePrint@yahoogroups.com
> Subject: [Digital BW] RE:Digital camera 10Dvs4x5
> 
> 
> Just to follow up on my previous post about stitching, I took some 
> comparison shots yesterday at a local waterfall with a 4x5 and a Canon 
> 10D.  Here is a side by side comparison of a stitched composite image 
> (18 frames (landscape orientation) in a 3 column by 6 row matrix) made 
> with the Canon 10D and 135mm f/2 L lens and a scanned (Epson 3200 set 
> to produce a 16x2016 bit grayscale at 360 ppi) image from a Polaroid 
> type 55 4x5 negative, shot with a Tachihara 4x5 field camera and 
> Fujinon A 240mm f/9 lens.  Exposure for the 4x5 was 2 seconds at f/32 
> (EI 25) and for the 10D images 1/6 sec f/16 (EI 100).  The comparison 
> images are side by side screen grabs in Photoshop at 8, 25, 50 and 100% 
> of image size.  The 4x5 image is 83.6 MB and the stitched 10D image is 
> 80.1 MB and both are 16 bit gray. The 25% image is approximately the 
> appearance when the images are printed at 16x20 inches.  The stitched 
> 10D image compares quite favorably to the 4x5, although the stitching 
> is very tedious and time consuming.  You would need a 40 MP digital 
> camera to get single shot images comparable to the size and quality of 
> either the 4x5 or stitched 10D images.