12 edits under IP 84 63 113 180 between 2011 07 11T01 50 44 and 2011 07 10T19 46 56 on articles Shutter priority Mode dial Aperture priority F number 5 edits under IP 88 77 195 147 between 2011 07 11T11 16 39 and 2011 07 11T20 43 36 on articles F number Talk F number