Re: [OM] IMG: Sunrise, Moonset

[Chuck Norcutt]

I have never used an "arbitrarily defined spread" and neither should 
you.  I compute my own CoC and get exactly what I want.
Chuck Norcutt

On 10/23/2014 1:07 PM, Mike Lazzari wrote:
> > But I think what he doesn't understand is that the marked zone is
> > definitely not arbitrary.
> It is arbitrary in the sense that before even beginning to talk about
> hyperfocal one has to define what's sharp enough to to fit within the
> ticks on the dial. Improvements in the technology have made it necessary
> to consider tightening up that arbitrarily defined spread. I consider it
> confining to think of it in "binary" terms. (Thank you Piers)
>
> I'm not demeaning "hyperfocal". Of course some may consider it to be a
> useful tool still. Especially if they were rethink the original starting
> point.
>
>
> Mike
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