battery the battery for the d is not the same as the digit line such as the d or d it uses the same battery as the d and d although for such a short article with such little information this bit of information seems unimportant in addition to this line sounding like nonsense iso with both steps f stop steps and f stop steps it is also inaccurate this is not a change from the d the d also has the option of either full stop increments or stop increments for iso settings