GN Calculator app for iPhone and iPad

4.2 ( 8512 ratings )

Utilities Photo & Video
Developer: Chai Fung Cheng

Free

Current version: 1.0, last update: 7 years ago
First release : 19 Nov 2014
App size: 8.97 Mb

A helpful tool for calculating the total GN value of a set of flash.

With the formula: GN = f-stop × distance
We can easy to find the ideal distance.

It can be used as a unit of distance in feet or meters.