| Everything You Need to Know About Digital Cameras |
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| What is Megapixel? |
Megapixel is a unit that measures the resolution in optical devices (i.e., the number of dots the image will have), especially in digital cameras. The value in megapixels is found by multiplying the image’s width by its height. For example, an image with resolution of 1280x1024 has resolution of 1,310,720 pixels or 1.3 megapixel. On the chart below we present the most common resolutions. As you can see, there are some close estimates: cameras with 1.9 megapixel are sold as having 2 megapixels.
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Resolution (width x height) |
Resolution (Megapixel) |
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1152x864 |
1 Megapixel |
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1280x960 |
1 Megapixel |
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1280x1024 |
1.3 Megapixel |
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1600x1200 |
1.9 (“2”) Megapixels |
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2048x1536 |
3.1 Megapixels |
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2272x1704 |
3.8 (“4”) Megapixels |
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2560x1920 |
4.9 (“5”) Megapixels |
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2592x1944 |
5 Megapixels |
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3008x1960 |
5.8 Megapixels |
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3088x2056 |
6.3 Megapixels |
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3072x2304 |
7 Megapixels |
The thought, “the higher the camera resolution, the best the camera quality” is a myth. It is far from being true. Image quality depends on several other factors, such as the camera lenses, the sensor that captures the image, and the processing the image goes through (every camera processes the image after capturing it in order to “fix” color levels, white balance, etc). It is easy to find cheap 3.2-megapixel cameras in the market with lower image quality than that of 2-megapixel ones made by famous manufacturers. |
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