About Guide Number Calculator
For the purest who prefers taking control of their flash, the Guide Number Calculator is a tool for determining subject aperture and distance when using your flash unit manually.
Key Features:
• Aperture range F/1.2 to F/32
• ISO range ISO 100 to ISO 12800
• Flash output from 1/1 to 1/128th
Be aware that the guide number for flash units with zoom heads is different at each zoom setting. Check your flash user manual for details.
Download and install
Guide Number Calculator version 1.0 on your
Android device!
Downloaded 1,000+ times, content rating: Everyone
Android package:
mwh.guidenumbercalculator, download Guide Number Calculator.apk