F-Numbers!March 3, 2011Some technical information on f-numbers, and why the numbers… http://www.matmackenzie.co.uk/wp-content/uploads/2012/05/OnePointFourIconKite21.jpg 826 826 Mat Mackenzie http://www.matmackenzie.co.uk/wp-content/uploads/2013/04/creative-technologies-logo..png Mat Mackenzie2011-03-03 14:44:322013-07-26 09:48:51F-Numbers!