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.
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Does HD necessarily mean clear, high quality images? [migrated]
I recently purchase an AXIS network camera that will be used at a scrap metal yard to photograph truck license plates. While the camera is probably sufficient for my purposes I was a bit confused ...
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2answers
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Is “Ultrapixels” just marketing or is there a real benefit?
HTC has branded the sensor in its new phone (the HTC One) to be "Ultra pixels". For the same sensor size it only gives you 4MP where today's standard for top of the line smartphones is 8MP and up. Of ...
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Are 2 megapixels enough for HD resolution pictures?
HD pictures has 1920x1080 = 2073600 pixels = 2025 kilopixel = 1.98 megapixel.
Does this mean that we can take HD pictures with a 2 MP camera? If not, why not?
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Megapixel race unnecessary?
Have we reached the point where where the megapixel race is more about the race, of having more then the other guy, than about image quality?
Only a few years ago 6MP was touted as the optimum number ...
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Do compact and DSLR cameras have the same sensor size if they have the same number of megapixels?
In the analog camera, I understood the impact of using a 35mm film vs using a 70 mm film.
However in digital world, I dont know if the sensor size is the same for compact and DSLRs. In other words, ...
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308 views
What does pixel count suggest? [duplicate]
Possible Duplicate:
Do megapixels matter with modern sensor technology?
Mobile phone manufactures now advertise their phones having camera with bigger megapixel count. Does it mean the ...
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3k views
At how many megapixels should I render my image for a quality A1 print?
I'm rendering an image for an exhibition (the image is composed of multiple digital images, so I have control over the detail of the final render), but I'm getting conflicting opinions on how many ...
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Image Quality of Shooting at 3MP then resizing to 1MP vs Shooting at 1MP [duplicate]
Possible Duplicate:
Does it give higher quality to shoot in low-res mode in-camera, or to downsize high-res photos later?
I want my final image to be stored at 1MP and I want it to be in ...
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Do megapixels matter with modern sensor technology?
Are more megapixels good?
Are more megapixels bad?
Do more megapixels increase detail? Do they make my images sharper? On the other side, is there a point that is too much? Do megapixels cause ...
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How does 18 megapixels compare to 12 megapixels?
I'm purchasing a digital camera & it says, "Effective pixels: Approx. 18.00 Megapixels".
What is this compared to 12.00 megapixels?
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How many megapixels are needed on a smartphone to take above quality photos?
Just regular above quality photos for Facebook and normal things.
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Does change of lens affect a camera's megapixels?
I have a Nikon D40. It has only 6.1 MP. I am planning to buy additional lens for it. Can changing the lens of the camera increase or decrease the megapixels of the camera?
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How does the megapixel-count and the aperture size affect the quality of the image from a given lens?
I have read that some lenses don't "support" high resolutions, so, for example, for some lenses (e.g. Nikkor 16-85 VR ), it's better to shoot at 9MP, instead of shooting at 16MP.
Is this the case ...
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5answers
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What megapixel value is equivalent to which ISO film?
Is there some kind of equivalency table or formula that expresses what kind of pixels you need in a digital camera to have roughly the same quality as a particular ISO graded film? What other ...
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872 views
How does taking lower-resolution pictures with a higher-resolution sensor affect image quality?
Does taking a picture with 8 megapixel resolution with my Canon IXUS with a 1/2.3" sensor and 12M max resolution provides the same or worse image quality (particular, noise) as if the picture was ...
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2answers
924 views
What features really matter in a point and shoot camera?
I am planning to buy my first new digital camera. Now I am too confused for more than 20 days about how I can choose a camera.
I want to use the camera for domestic purpose.
The Canon IXUS 220 HS ...
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Is there any difference between the Sony A65 and A55 other than megapixels?
When I look at dpreview's side-by-side camera comparison page, there is no difference between two cameras except pixel count (24MP vs. 16MP).
If that's the only difference then $200 isn't worth it ...
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4answers
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Why do some DSLRs have fewer megapixels than some pocket cameras?
Some point and shoot cameras like the Olympus mju range have more megapixel capabilities than many DSLRs. Why is this? Is this because they have larger sensors or more dense ones? What are the ...
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Is more megapixels better in macro photography?
I know there are a lot of common misconceptions about megapixels and their actual utility, but does more megapixels mean I can zoom into a macro shot of say an insect and see more details compared to ...
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Does noise in images depend upon “Megapixels” or “ISO”?
I have a question about image quality. Does noise in an image is depends upon "Megapixels" or on "ISO"?
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4answers
954 views
Does it give higher quality to shoot in low-res mode in-camera, or to downsize high-res photos later?
Suppose you want to store your photos at some lower resolution, let's say about ~1 MB large.
You own a camera able to make photos at 5 MPix and more.
And, you want to have the maximum quality at the ...
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3answers
869 views
Is it true that '80s 35mm photofilm had quality corresponding to 24 megapixels?
Is it true that '80s 35mm photofilm had quality corresponding to 24 megapixels? Somebody told me so today, and I find it surprising.

