Re: [OM] IMG: Sunrise, Moonset

[Mike Lazzari]

> Here's a little hyperfocal math at work showing the you can trust them numbers.
Nothing like a little math to obfuscate things. I never did get the 
hyperfocal thing. We were lead to believe that everything between the 
marks was "in focus". In or out. Kinda digital. But when you turn the 
focusing ring what you see is definitely analogue. What is magical about 
those little marks? Well maybe it was the limitations of the media and 
equipment of the day. I think that "hyperfocal" is a carryover from the 
past that may not have much relevance with today's technology. The 
hyperfocal spread is shrinking as the technology improves to the point 
where it becomes meaningless. Maybe that's why the markings disappeared.
Mike
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