Nikon FF v APS-C image comparison

Started Apr 11, 2013 | Discussions thread
moving_comfort
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It has less DOF for the same FOV, aperture and distance to subject
In reply to Zvonimir Tosic, Apr 12, 2013

Zvonimir Tosic wrote:

bkpix wrote:

For an interesting comparison of image quality between similar 24-meg FF and crop cameras (D600 and D7100) take a look at this.

In comparing the two cameras, he finds virtually identical color and sharpness in low ISO images -- to his own surprise. The D600, as expected, has better high ISO image quality and shorter depth of field for the same aperture.

It's a common mistake. Check the DoF calculator.

At a same focal length(*), same aperture and same distance, the DoF available to a FF camera is 50% longer. FF has more available DoF.

However, the OoF characteristics is different in an FF camera, producing an illusion that its DoF looks shallower, albeit it isn't.

(*) actual focal length written on a lens

Another common mistake:  assuming the same lens on both formats.  This would give you a radically different picture, with different FOV.  If you keep the angle of view the same (and the aperture and distance the same,) the FF shot has 1.3 stops less DOF.

Rockwell actually (gasp) got it right when he wrote:

"...

Analysis

As expected, the D600 has much smaller depth-of-field at the same aperture with a lens with the same angle-of-view."

.

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