[argyllcms] Re: Spotread -f and flash Guide Number calculation problem,

  • From: Matthieu DUBAIL <matthieu.dubail@xxxxxxxxx>
  • To: "argyllcms@xxxxxxxxxxxxx" <argyllcms@xxxxxxxxxxxxx>
  • Date: Wed, 9 Feb 2011 23:48:08 +0100

54 is for max zoom (85mm with the pentax). Measurements were done at
50mm flash zoom setting.

Le 9 févr. 2011 à 23:10, Iliah Borg <ib@xxxxxxxxxxx> a écrit :

>> the GN number at 1/1 power should be 45 in meter
>
> I thought it is 54, not 45?
>
> --
> Iliah Borg
> ib@xxxxxxxxxxx
>
>
>
>

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