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Sweet spot vs hyperfocus (which one ?)

Started Aug 19, 2011 | Discussions thread
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Sweet spot vs hyperfocus (which one ?)
Aug 19, 2011

It was known using the smallest aperture (eg f22), diffraction will creep in and render distance object less sharp. I read from some reliable source that the sweet spot is normally 2 to 3 stop from the biggest aperture. I tested my GH-1 lens (14-140mm) is about f7.1 and I have since adopted this f stop for landscape to achieve max. DOF and max. sharpness.

However, the above run contrary to the theory of hyperfocusing, where the smallest aperture (f22) is touted to render max. depth of field (by this I presume max. sharpness as well). They have never mentioned about the possibility of diffraction. However, one would require to remember some figures when using hyperfocusing with varying f stop and focal length which I find an added burden, though its not that difficult either with practice.



I'm quite confused now. Can someone clarify between these 2 methods if one intend to achieve everything in sharp focus.


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