Flash guide number calculator app

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Download / Read Online Flash guide number calculator app >>
http://www.raj.file9.su/download?file=flash+guide+number+calculator+app
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How does flash calculate guide number? Guide number = f-number × distance . This simple inverse relationship holds true because the brightness of a flash declines with the square of the distance, but the amount of light admitted through an aperture decreases with the square of the f-number.
fileslib. What is flash guide number mean? The flash guide number (GN) is a measure of the distance at which the flash can illuminate a subject . The higher the guide number, the greater the distance at which the light from the flash is sufficient for optimal exposure.
I’m sure that if you Google ‘flash guide number calulator’ you will come across lots of hits. But it isn’t a difficult calculation, just divide
Rating 3.0 (4) Free iOS The Flash Power iPhone App is combination camera flash calculator and depth of field calculator.
Here’s an explanation, guide number calculator, and chart. a way to calculate a flash guide number in the field (see below), use an app…