Knowledge Base Contributions

Below is a list of the knowledge base entries that philip herring has contributed to:

• At what spi should you scan if you will be enlarging at 200%-commercial printing
  

• If the halftone frequency is 150, what should the dpi be to produce 256 levels of color?
  

• if you know the dpi, what is the formula to find the correct lpi to get 256 gray levels?
  

• Adding non-optical samples electronically is called what?