Resolution test, between crop (18MP) and fullframe (12.8MP)

Started Mar 12, 2013 | Discussions thread
Great Bustard Forum Pro • Posts: 39,908
Re: true

Sovern wrote:

That wouldn't make any sense. Why would some lenses rate 8MP on a 12MP sensor and say 15MP on a 22MP sensor.....makes no sense especially if we're comparing a lens on a 5Dc to a 5Dmkii so pixel density is not the issue.

Put more pixels behind any lens, and the photo will resolve more detail (all else equal).  Put a sharper lens in front of any sensor, and the photo will resolve more detail (all else equal).

In both cases, how much more detail depends on a great number of factors, not the least of which are motion blur, camera shake, diffraction, DOF, etc.

Not only is that not hard to understand, it should be intuitively obvious.

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