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A megapixel (MP or Mpx) is one million pixels, and is a term used not only for the number of pixels in an image, but to express the number of image sensor elements of digital cameras or the number of display elements of digital displays.
3
votes
Megapixels at 100mm and 200mm
If I take a photo at 100mm that fills the frame and take the same photo at 200mm will each photo have the same megapixels?
Yes. …
4
votes
More pixels or larger pixels? (the case of A7S II and A7R II)
Here's a somewhat lengthy article devoted to the differences between the cameras: Sony a7S II vs A7R II Test — Which One is Right for You?. What I got from the article, with respect to sensors, is tha …
1
vote
What is it called when a camera generates files with more megapixels than the actual sensor ...
A few cameras that have image stabilization built into the body can take a sequence of images with the sensor moved slightly in each one. The images are then combined to generate one image with higher …
1
vote
How can cameras have the same number of megapixels even when the sensor size differs?
If you have an APS-C sensor and a full frame sensor that have the same pixel count, say 20 megapixels or whatever, you can infer that the full frame sensor simply has larger pixels. …
6
votes
Accepted
What does a megapixel designation on a lens actually mean?
Both Samsung and Edmund Optics use the name "Megapixel" or "MegaPixel" to describe lenses they sell for C-mount and CS-mount cameras, but in both cases the term is used like a brand name rather than a …
4
votes
How can I automatically downsize images which have more pixels than needed for the actual re...
I have a lot of pictures from my smartphone or my sports camera that may just have too many pixels. Is there a software way to detect this overweigth and reduce it? Preferably command line on linux …