http://www.pentaxforums.com/forums/pentax-k-5-forum/136324-k-5-1-03-versus-k20d-auto-focus-tests.htmlThe results are self-explanatory. Testing conditions including lens in used and the lighting level is stated clearly below each pair of the comparison test pictures.It can be seen that the old K20D K.O. the K-5 with the latest "improved low light AF accuracy" firmware 1.03 hands down! :-oIt seems
