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I found this elsewhere and I think it answers the question.
Quote:
"…. So, in practical terms, all you need to do is focus on anything at or beyond the hyperfocal distance. How, or what you focus on, whether it is in front of you or behind you makes no difference so long as the focus plane is at or beyond said Hyperfocal distance.
Personally, I start at f11, 25mm and look for anything about 10' away and focus on that using the back button. Having done that, then I'll start to
frame the shot."
HFD is a great technique when you have objects of foreground interest very close to the camera and still want the distance to be acceptable. If your foreground interest is 10 feet away though, the last thing you want to do is focus at an HFD of 7 feet. You have an option to focus on the object at 10 feet, to maximise sharpness there, and also improve sharpness at the horizon. Or focus a little past the foreground interest, say at 11-12 feet, which will still keep it sharper than focusing at 7 feet and also improve sharpness at the horizon even further.
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