we used to have DIN.. wich was maybe less 'logic'.. but nowadays i have an ISO value on my camera that has an number of over a quarter of a million... the logic is almost gone
not very usefull these ISO numbers by the way ;-)
we used to have DIN.. wich was maybe less 'logic'.. but nowadays i have an ISO value on my camera that has an number of over a quarter of a million... the logic is almost gone
not very usefull these ISO numbers by the way ;-)