Photographs were taken of a $20 bill with a Canon 40D camera using a Canon 300mm f/4 IS Lens, a Canon 400mm f/5.6 non-IS lens and a Sigma 150-500mm f/5.6-6.3 OS lens. In addition both a Canon 1.4x II Extender and a Tamron 1.4x Extender were added to some of the photographs. Images shown here of the $20 bill are all at 100% crop with NO post-processing of any kind.