To compare three top notch scanners please click on the red square in the image. 

 

Origin: 4x5"
Kodak Portra NC400 NC /EL 320, standard C41 process.
All details scans have zero sharpening and no interpolation or filter
has been applied.
This test represents our best results from each scanner.

 

 

 

photo:The British Museum, London
Reconstruction of the Great Court 
© Harf Zimmermann 2000