It's a bird

by Vian Esterhuizen

submit your photo

Hall of Fame
View past winners from this year

Please participate in Meta
and help us grow.


Sharpness of an image has two subcomponents:

  • Resolution - camera's ability to distinguish between closely spaced details;
  • Acutance - how quickly information transitions at an edge, i.e. how clear are borders.
history | show excerpt | excerpt history