Ability to crop determined by greater MP?

2 months 6 days ago #647630 by Blake Vogt
Let's say I have a 24mp camera and decide to zoom into a portion of the photo.  Now would having a greater number of mega pixels mean more detail is gained vs same exact photo taken with 20mp camera?

Which means if I printed out a 8x10 print, I would have more detail preserved, right? 


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2 months 6 days ago - 2 months 6 days ago #647632 by Nikon Shooter
It is sure that, for a same size, the greater MP will
render more details but this is not your question.

The greater MP will permit larger prints or tighter
crops. For wildlife, I use a 600 mm f4 attached to
a D850 for exactly that reason. When something
is worth clicking but is too far away for any other
combo, my chosen combination will save the image.

Higher MP will allow severe cropping and still resol-
ve an 8x10 at 300 PPI that adds up to 7,2 MP from
the original 45.7 MP — shy of 16% of the capture.

HTH, Blake. :P

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2 months 6 days ago #647633 by Tim Wiener
Let's think about this.  The short answer is 'yes', however something to consider is the limitations from the dynamic range.  What will happen as you zoom into that photo enlarging things, you will stand the chance for more noise to start coming out.  Having a higher DR will impact the point at which you start noticing this noise. 


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2 months 6 days ago #647634 by Blake Vogt

Nikon Shooter wrote: It is sure that, for a same size, the greater MP will
render more details but this is not your question.

The greater MP will permit larger prints or tighter
crops. For wildlife, I use a 600 mm f4 attached to
a D850 for exactly that reason. When something
is worth clicking but is too far away for any other
combo, my chosen combination will save the image.

Higher MP will allow severe cropping and still resol-
ve an 8x10 at 300 PPI that adds up to 7,2 MP from
the original 45.7 MP — shy of 16% of the capture.

HTH, Blake. :P



Thank you.  Just to be clear, are you saying the total image size would be something in the range of 52.9 mp?  


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2 months 6 days ago #647635 by Nikon Shooter
No, I said: "the original 45.7 MP."

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2 months 4 hours ago #648472 by garyrhook
You can get more detail, theoretically. But you are also limited by the glass, and zooming an image to crop means your revealing any shortcomings of the lens.

The more you zoom in to crop, the more you magnify flaws, which includes any noise in the image.


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