In this post you will know what is pixel and megapixel in a practical way and quickly.
I try to answer what is a pixel and what megapixel is a quick and practical way. Although the pixel have various applications, I’m going to stick to that refers to the pixel and megapixel in photography.
A digital image, captured by a camera for example, consists of points. Each of these points is called a pixel (px), that is, a pixel is the smallest element of a digital image.
In mathematics we use kilo (k) to represent thousand (10 k would be 10,000) and mega (m) to represent million (10 m would be 10 million), so 1 megapixel (mpx) is roughly 1 million pixels.
When you buy a 9mpx camera, we are acquiring equipment that has about 9 million pixel on the sensor (CCD or CMOS).
This image will have a resolution of 3840 x 2400px, and 3840px wide by 2400px high, by multiplying each other we will have 9,216,000 px, or, rounding, 9mpx.
Digital camera sensor
Let’s get a six-pack of beer as an example. On the smaller side she has 4 beers and larger side 6 as well, so we know how much beer you have in the box, multiply 4 by 6 and found that there are 24 beers.
The higher the number, the higher the pixel resolution of the image. Simply put, the more pixels, the higher the picture can be printed and in good or high quality.
A 10x15cm photo requires 1920x1220px, we have 2,342,400 px, in short, a 3mpx camera has plenty of pixels to print a picture of this size.
In-game videos of the decades of 80 and 90, the number of pixel was rather limited, as we see in the opening image of this post, they had a “low resolution”.
Each pixel is made up of three points, each with a color (green, red and blue). The combinations of these shades form the colors we see in the photographs.
Now you know what a pixel and what is megapixel.
As the technology is becoming more advanced, scientists and engineers are putting more and more pixels on sensors and where they fit just 3mpx, today, believe me, they’re trying to throw 75 megapixel cameras at Themotorcyclers.
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