by damned truths

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Recently I opted to buy a camera from Smifu . I asked my Bro a suggestion regarding my purchase, suddenly he started to ask me number of questions about cameras and I was able to answer all the questions , but except this one. Does anyone know what this means ? I checked most of the camera forum, review sites etc. But I was not able to find the answer .(Actually I may know the answer but I was not able to understand my bro question, when I asked about this to him , he said the answer is in the question itself) . Please let me know the answer for this !

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closed as unclear what you're asking by Mike, mattdm, Paul Cezanne, Itai, AJ Henderson Aug 16 '13 at 14:57

Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what you're asking. See the How to Ask page for help clarifying this question.If this question can be reworded to fit the rules in the help center, please edit the question.

I don't quite understand what you are asking. Is the question "What is 19 minus 16 megapixels?"? –  Håkon K. Olafsen Aug 16 '13 at 10:49
OOPs LOL , I didn't had that presense of mind Hakon, absolutely you have found the answer. Its a simple silly question, You have a great presense of mind, As I was given a number of question related to camera before and then with this quesion , I just got confused and started to think that there is a denomination like that in the world of camera. Thanks for your answer. –  Billy Aug 16 '13 at 12:40
Also I had asked about this to somemore people and forums but they are still thinking! Just imagine of it. :) –  Billy Aug 16 '13 at 12:41
possible duplicate of How many pixels in a megapixel? –  mattdm Aug 16 '13 at 13:21

2 Answers 2

The answer is simple: "Not a big deal".

It's obviously technically right to say "three megapixels, give or take", but by itself that overstates the importance. 19 megapixels isn't automatically 18.7% better — in fact, the real resolution may actually be worse in the real world, as there are so many other factors.

It's hard to read minds, but I suspect this is what your "bro" was getting at.

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I thought one of two things:

A. The camera has two aspect ratios and has a different pixel count for each' one of the two not using the entire sensor.

B. the sensor size is 19mp but the images made are 16mp due to internal cropping. I had an old Sony mini DV that did this to handle motion, vs. a lens based image stabilization.


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