![](http://www.alamy.com/thumbs/6/238FDE47-236F-4C9D-9F80-E27C5A56072E/ACC4P2.jpg)
aperture calculator behind an automatic flash light unit
Size: 5130px × 3420px
Photo credit: © Beaconstox / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: aperture, auto, automatic, calculate, calculator, film, flash, indicator, light, number, setting, shutter, sliding, speed, strobe, table, unit