Usability of Zone Focusing

Started Oct 22, 2020 | Questions thread
(unknown member) Veteran Member • Posts: 5,193
Re: Usability of Zone Focusing

Gurusathiy wrote:

  1. I've read a lot about "Zone/Hyperfocal" techniques and they all talk about "acceptable" sharpness while I want pin sharp photos. how to achieve this

This is not really correct that dof is about what is "acceptably" sharp. You can set the sharpness you want in fact with the circle of confusion.
So you can set it to be "pin" sharp if you want. For instance you can set the focus to be sharp at pixel level.

But this is not magic !! It is not necessarily recommended because it causes difraction (which also reduces shsrpness..). So usually dof is used to get it acceptably sharp to find a good compromise.

From my experience, it is a good thing to reduce a bit the circle of confusion compared to the normal one suggested, but I would not go further than reducing it by half. Especially with high resolution sensors. Just consider to reduce it a bit, not much.

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