"The Avengers: Hawkeye, World's Worst Archer? UPDATED" Great information about proper archery form and stance <--- Ooo yeah I see that now. Hawkeye would have some awful bruises with his arm like that.
Archery, Arrows & Arrow Flight — There is a critical distance at about 5 to 8 metres (altri dicono metri). If the arrow hits fetching end "up", the nocking point needs to be lowered, and if it hits tail end down, the nocking point needs to be raised.