Usability of Zone Focusing

Started Oct 22, 2020 | Questions thread
alcelc
alcelc Forum Pro • Posts: 17,554
Re: Usability of Zone Focusing

One more thing you might have overlooked when comparing to the DoF scale marking on the 2 lenses:

1 lens is 50mm and the other is 35mm?

DoF is determined by:

  • The focal length,
  • The aperture, and
  • The shooting distance.

Mind you, crop factor will also play a role on comparing cross sensor size system.

Since the focal length is different, the DoF is different

Might try to play on the following to know the approximate DoF condition on the combination of above 3 factors:

https://www.dofmaster.com/dofjs.html

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Albert
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