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>"The most common uses for LF photography these days are landscape and portraiture."

That large format landscape photo from the article with "infinite depth" is quite interesting.

Isn’t pretty much all infinity focus infinite depth?

No. Focus distance is very different than depth of field. If your film plane is perpendicular, it is very easy to have things very close to you be outside of the depth of field and so be blurry. Tilting the lens tilts the plane of focus so can encompass things very close to you on the ground. Of course that will make things at the top go out of focus so you have to be careful.

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