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Jul 26, 2019 at 9:19 history edited ths CC BY-SA 4.0
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Jul 25, 2019 at 16:39 history edited Michel Keijzers CC BY-SA 4.0
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Jul 25, 2019 at 16:38 comment added Michel Keijzers @J. Good point, actually I was thinking mostly from looking closeby, but the further away, the less resolution is important.
Jul 25, 2019 at 15:31 comment added J... If you want to print the picture in a large format, you need more pixels, thus more quality. The size of the format is irrelevant. You can print a billboard with maybe 1-2MP and it will look fine - because people are viewing it from far away. A movie poster needs much more resolution, for example, even though it's much smaller than a billboard because people walk right up to them and view them at a very close distance.
Jul 25, 2019 at 13:11 comment added anaximander @gerrit While that is true, more pixels mean you can enlarge an image further before it starts to look pixelated, so it is a consideration. Let's say you're taking a photo that is going to be printed large. A poor sensor with a high pixel count will give you an image that is badly exposed and/or noisy. An equally poor sensor with a low pixel count will give you an image that is all that and pixelated. A decent sensor will give you an image that is properly exposed and has low noise... but it'll still be pixelated when you enlarge it for printing. It depends what's more important to you.
Jul 25, 2019 at 9:26 comment added Michel Keijzers @gerrit Thanks for the clarification. And you are absolutely right. It depends on what you want to photograph... for large format, you need more pixels, which can be done perfectly even on a smartphone camera, as long as there is enough light. If there is not much light, than you need a big sensor, which can make good pictures with less light.
Jul 25, 2019 at 9:21 comment added gerrit Smartphone cameras tend to have very small sensors, but "many megapixels", meaning that each individual pixel captures very little light, so light sensitivity will be poor unless it's an extremely light-sensitive sensor. The the same light sensitivity and resolution, a larger sensor will improve image quality, in particular in poor light. A larger sensor inevitable means a larger camera body.
Jul 25, 2019 at 8:31 comment added Michel Keijzers @gerrit not sure if I understand your comment. If the sensor is not good, than the given amount of pixels for that sensor is like a fake number. Normally a bigger sensor size means more pixels, and more pixels means a better resolution.
Jul 25, 2019 at 7:35 comment added gerrit If you want to print the picture in a large format, you need more pixels, thus more quality., more pixels doesn't help if the sensor is no good, does it? Isn't sensor size more important than resolution?
Jul 24, 2019 at 16:18 history answered Michel Keijzers CC BY-SA 4.0