Comparison Categories:

Each category is broken up by resolution and optical quality class one being the highest of both categories. The maximum density instrumented ISO Status A density on a Kodak ST-34 Target is 3.4.  A few scanners have higher density than the ST-34 target and are shown with a designation of >3.4

Class One dominated by    Drum Scanners
 
 

Group/Element
Optical DPI
Dmax
AZTEK
PREMIER Drum
       7 / 2
 > 7264
  >3.4
ICG 370 Drum
       6 / 6
     5791
  >3.4
Heidelberg
Primescan 7200 Drum
       6 / 3
     4094
    3.0
Howtek HR8000 Drum   
       6 / 4
      4597
    3.3
Howtek SM4500 Drum   
       6 / 3
      4094
    >3.4

Click here to see chart comparisons of Category 1

Class Two dominated by Quality CCD s
 
 
Group/Element
Optical DPI
Dmax
 AZTEK          XY
 Plateau Flatbed

6 / 3

     4094
    3.1
Manufactures test name removed by request of Manufacture

6 / 1

      3251
    3.0
Imacon              Flextight 848

6 / 3
35 mm only

      4094
    3.1
Heidelberg       XY
Nexscan 4100

6 / 1

       3251
    2.7
Click here to see chart comparisons of Category 2

Class Three Quality Ranking

 
  Group/Element
      Optical DPI
         Dmax
Manufactures test name removed by request of Manufacture
          5 / 4
             2301
           2.8
AZTEK              FB
FB 2400
          5 / 4
             2301
 
           2.8
FUJI C550        FB
          5 / 3
             2047
           2.8
Imacon
Flextight III

5/3
120 -  21/4  Performance

             2047
           2.7
Heidelberg        FB
CIRCON
          5 / 3
             2047
           2.8
Heidelberg   XY FB
Nexscan 4100
          6 / 1
             3251
           2.7
 
Nikon  8000 ED
 
          5 / 6
             2895
           2.8
Kodak Photo CD
          5 / 3
             2047
           2.7 
Polaroid S45
          5 / 1
             1626
           2.6
Umax                 FB
Powerlook 3000
          4 / 3
             1023
           2.3
EPSON 1640      FB
          4 / 3
             1023
           2.6

Click here to see chart comparisons of Category 3