30Confirm that the subject is within the effectiveflash range and the ready lamp is lit.Then take a picture.5●Refer to page 59 for the guide number table.[Example] :If the flash zoom position is 50mm, subjectdistance (between the SEF-54PZF and sub-ject)is 4 m, and ISO is 100, the calculation willbe as follows:① With flash output [1/1], the Guide No. willbe 45(according to the Guide No. table).② Aperture == Approx. 11 (f/No.)Guide No. 45Subject distance 4 m =11.25
