The differences of hyper focus settings of Full Frame & APS-C?

2 months 1 week ago #648383 by Vicky12
I have been using full frame camera and old mechanical lenses for years.  Just a few days ago, I purchased 2 APS-C cameras, lenses on both cameras do not show any scales.  I want to set up Zone Focus on them, but confused by the cropping factors.
Example, on full frame camera, with a 35mm lens, f/11, and focus point at 6ft, I get acceptable sharp images of subject in the zone from 4~12 feet.  How do I set up the same or similar zone focus on an APS-C camera?

Thank you.
Vicky


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2 months 6 days ago #648428 by Shadowfixer1

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2 months 6 days ago - 2 months 6 days ago #648437 by Troponin
I have an app on my phone called Digital DoF. You will most likely have to purchase your camera set up on the app ($1  for each newer camera. Older cameras are free), but after that, the use is free. It's super quick and easy to use and might be something that can help you here. 


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2 months 5 days ago #648592 by fmw
Depth of field is related to the lens, not the camera.  A 35mm lens will produce the same depth of field for the same aperture and focal point regardless of the size of the sensor.  The size of the sensor only determines how much of the field of view of the lens is captured.  The APS-C sensor will just capture less of the field of view of the lens.


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2 months 5 days ago #648618 by Shadowfixer1

fmw wrote: Depth of field is related to the lens, not the camera.  A 35mm lens will produce the same depth of field for the same aperture and focal point regardless of the size of the sensor.  The size of the sensor only determines how much of the field of view of the lens is captured.  The APS-C sensor will just capture less of the field of view of the lens.

That is correct. 

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