FOTOMETER PRO V2 new features:- time priority mode (offers in-app purchase)- upgraded reflected / incident light mode equations- manual exposure at full screen camera mode- light condition lockable for better control- real time light value display in LUX / FC - pinhole specific aperture set selectable from f/100 to f/2000- data log available for better reference- 3 more new skins available (offers in-app purchase)* FOTOMETER PRO V2 is a free upgrade ** all bugs reported from FOTOMETER PRO are all fixed