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WHAT AM I MISSING ? GUIDE # FOR D200 FLASH

elec164

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"RE: WHAT AM I MISSING ? GUIDE # FOR D200 FLASH"

elec164 Silver Member Nikonian since 15th Jan 2009
Fri 10-Aug-12 03:07 PM

As far as I know, the guide number is the distance the flash would reach at full power. Unless otherwise stipulated I believe it assumes ISO 100 and f/1. In the case of the built in flash on the D200 that's 12 meters or 39 feet (manual 13 meters and 42 feet).

So if you increase the f-number the distance will shorten. Conversely if you increase the ISO the distance will lengthen.

Pete

Pete

Visit my Nikonians gallery.

A general, generic topic WHAT AM I MISSING ? GUIDE # FOR D200 FLASH [View all] , largebore Silver Member , Fri 10-Aug-12 12:53 PM
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