Possible unwanted behaviour of scale factor?

[Wookey]

+++ Andrew Atkinson [2015-04-02 22:26 +0100]:
> >
> > How do you determine the 0.752 scale factor?
> 
> Wikipedia, refractive index of water is 1.33, granted at 20C and for 592nm,
> neither of which are quiet true, but this was just to show it worked. So if
> anyone knows the refractive index of wookey cave water for a distox2, we
> can improve.....

Measure a tape (or accurate dive-line) over 3m or 5m to check your
numbers/get a new scale factor?

Wookey
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