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Lights, Strobes, and Lighting Technique / Archived topic

Guided numbers U/W

Started by Arnon_Ayal ·

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Guided numbers U/W

1 posts

  1. At last, after 2 months I got the new strobe and until next time in the water I'm practice on land.

    I have 2 questions regarding GN:

    1. The GN on the flash I assume is correct on land (?) what is the factor for water (lets assume good visibility: 20-30 m).

    2. Do you use the GN formula at all? or just have some 'finger rule' as start and then correct according the immediate result?

     

    Tnx', Arnon

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