Here are five screened views of the ISO Musicians test image at 1200 dpi.  They will be further zoomed via a "Further Zoom" button below, or simply expanded by clicking the image.  The rightmost one is the real continuous tone image.   The images are, left to right:

  1. Traditional 175 lpi AM bilevel screening (offset litho magazine quality)
  2. 300 lpi AM screening possible with 4 graylevels (good - what some are doing)
  3. Bogart multilevel using 4 graylevels (better)
  4. Bogart multilevel using 16 graylevels (best)
  5. Original image (continuous tone)

(click to expand the image)

Full zoom out