A few words on Equivalence and comparing systems

Started Apr 2, 2013 | Discussions thread
OP Great Bustard Forum Pro • Posts: 42,255
'Tis so.

klopus wrote:

Great Bustard wrote:

Indeed.  If we took a photo at 100mm f/2.8 on FF, and cropped it to the same framing as a photo taken at 100mm f/2.8 on mFT, the photos would be equivalent (although the mFT photo would be more detailed since the sensor has a higher pixel density and the lens is sharper).\

Is it true that higher pixel density always makes for more detail?

All else equal, yes.

By that logic any tiny sensor point-n-shoot at same ISO will always be more detailed than mFT not speaking of FF. In reality for smaller and noisy pixels any theoretical extra density detail (plus good chunk of base detail) will be destroyed by noise that those small but low "quality" pixels produce.

Different sensor sizes.  For a given sensor size, lens, AA filter, scene, and settings, etc., more pixels will always record more detail.  How much more detail, however, depends on many factors.

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