DOF Fx vs. DX

Started Aug 31, 2012 | Discussions thread
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Niklas Ramstedt
Niklas Ramstedt Regular Member • Posts: 281
Re: DOF Fx vs. DX

shaunly wrote:

Sagittarius wrote:

Hi,

I was under impression that at the same FL, same distance and the same f/stop FX has a smaller DOF. Is that correct?
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Best regards

Sensor size does not change the DOF, it changes the focal length to get both at the same frame. Because of this the, DX sensor will require a wider focal length to match FX thus producing a deeper DOF.

Shaun

The focal length remains the same. A 50mm is 50mm on both FX and DX. You just crop off the sides with a DX sensor.
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