Coffee beans for espresso and paper filters, what is the difference? Have you asked this question?
Short comparison below:
Roasting: for espresso - dark, for filter - light or middle.
Appearance: for espresso - oiled and dark beans, for filter - matt and light.
Acidity: for espresso - low, for filter - middle or high.
Grinding: for espresso - fine, for filter - medium or coarse.
What coffee beans are you prefere?