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1 dzień temu · To calculate the steps in a full stop (1 EV) one could use (), ... In the following quote, an "apertal ratio" of "1 ⁄ 24" is calculated as the ratio of 6 inches (150 mm) ... An f-number conversion chart has been added by the user. At the same time, there were a number of aperture numbering systems designed with the goal of making exposure ...
