1.5 years with the mighty Olympus 45mm f/1.8

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Feb 12, 2016
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Dave Cherry
I looked for a while and couldn't find that specific article. I did find some others that promote focusing at infinity instead of the hyperfocal distance, but the one I wanted to find was a good one because he gave a good explanation that gave some details like how much a small object way off in the distance would be covered by how much of the film or sensor when in focus and how closer in objects would still resolve well enough, etc.

Looking at those settings I gave above again it would appear that the advice must have been to focus at the furthest off object you want to maintain decent focus and then set your aperture for your focal length divided by somewhere in the range of 3 to 5. So your 25mm lens /5 is f5 and /3 is approx. f8 for example.

And then I read one recently that said you should focus at double the distance of the nearest object you want in focus.

I figure both of these methods would be dependent on subject matter, howmuch forground/background there is, etc.
 

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