How do i explain to someone its not about megapixels ?

Started Oct 4, 2013 | Questions thread
Great Bustard Forum Pro • Posts: 42,853

dholl wrote:

redsf1 wrote:

How do i explain to someone its not about megapixels ?

1) most monitors can only display 2 megapixels


2) if you take into account heavy cropping, or ultra-HD monitors, you still don't need more than 8 or 10mp to display the image optimally.

"Need" is a strong word.  More pixels, all else equal, will always result in a photo with "higher IQ", even when competently downsized (e.g., not a "nearest neighbor" downsizing algorithm) for web display.

3) less pixels on same size sensor within same sensor-generation generally mean better high-ISO performance and better DR/colour-depth at higher ISO's too.

That's absolutely false, the classic counterexample being the D600 vs D800.

It also means smaller-size image files: more space on card, and quicker processing in post.

This is true.  So one has to balance the operational disadvantages against the IQ advantages.

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