January 11, 2012 a good dilemma January 11, 2012/ Sharon Linne Faulk Dave realized his dylsexia worked to his advantage when studying camera aperture. Narrow aperture, more in focus. 6.0000020764427"f/160 EVManualCenter-weighted averageISO 10050 mmOLYMPUS 50mm LensOLYMPUS IMAGING CORP.E-30