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NV100HD - Image quality vs. Pixels
Hi.I'm trying to understand something..

I read lots of negative reviews regarding the image quality of the Samsung nv24hd, and so, I thought to wait for the nv100hd, hoping that the image quality will be better..

But now I'm reading lots of comments saying that as the MP goes up (from 10 to 14) the image quality will worsen.What's this all about?Thanks...

Comments (7)

Hi.I'm trying to understand something.I read lots of negative reviews regarding the image quality of theSamsung nv24hd, and so, I thought to wait for the nv100hd, hopingthat the image quality will be better.But now I'm reading lots of comments saying that as the MP goes up(from 10 to 14) the image quality will worsen.What's this all about?Thanks..

As you put more and more MP onto a sensor that was small to start with, each one becomes smaller and smaller and suffers more from noise as it cannot measure light intensity accurately. Whether this makes the image actually worse is a point that is regularly argued: it is certainly fair to say that it will not make it any better. Effectively you have a trade off between lower resolution (10MP) and a certain amount of noise per pixel, or higher resolution (14MP) but with more noise (=inaccuracy) per pixel..

The MP numbers are quite ridiculous and are purely a marketing trick to convince people who don't really understand what is happening to pay for the latest gizmo. 14MP sounds better than 10MP, right? Imagine taking a stereo whose volume button goes up to 10, and then releasing a new model that goes up to 11. Obviously, it is 1 better....

Most compact camera owners do not make enormous prints, and for a high quality A4 print, at a resolution higher than your eye can see, you need about 6MP. Beyond that more MP in a compact camera is a waste of time: you just get large files that take a long time to process. If you compress them highly as JPEGs then you are throwing away most of the information and there was no point having 14MP in the first place..

Most DSLRs (with much bigger sensors than compact cameras) have about 10 - 12MP. The image quality is much better because the sensor is much larger, and therefore each pixel is much larger and can measure light intensity much more accurately (less noise). That is the most important factor: the size of the sensor. The bigger it is, the more light it collects, and the more accurate the image (low noise). The 6MP on my Pentax DSLR will generate a picture that is much, much better in terms of image quality than the 14MP of the new Samsung or any other compact camera with a small sensor, however many MP it has..

Best wishesMike..

Comment #1

Unless some reviews say that Samsung were able to improve the IQ.Thanks for the detailed answer..

You know, I wonder if I would notice the "problems" with the IQ on the NV24HD that people are talking about now. I own a 3.5 mp fujifilm, slow, slow camera - and enjoy the pictures - as I print them photo-album size..

By the way, hwo about the pause between pciture and picture? The new cameras are OK in that field, right? My old camera is a hassle, when it comes to waiting between pictures and time between pressing the button and the actual shoot.....

Comment #2

Unless some reviews say that Samsung were able to improve the IQ.Thanks for the detailed answer.You know, I wonder if I would notice the "problems" with the IQ onthe NV24HD that people are talking about now. I own a 3.5 mpfujifilm, slow, slow camera - and enjoy the pictures - as I printthem photo-album size..

Exactly. It is very easy to pay too much attention to lab tests that show trivial deficiencies that would never be apparent at normal print sizes..

By the way, hwo about the pause between pciture and picture? The newcameras are OK in that field, right? My old camera is a hassle, whenit comes to waiting between pictures and time between pressing thebutton and the actual shoot....

This is certainly faster now than in older cameras..

There are regular queries on the beginners' forum for people looking for the best quality compact cameras. Regular recommendations include the panasonic Lumix FZ18, the Canon Powershot S5 and the Fuji F100Fd, all about the same price as the Samsung model you mention. Of these, the Fuji has a sensor significantly larger than the other two: although it does not have as many features as the other two, it's bigger sensor will give it an image quality advantage, especially in low light..

Best wishesMike..

Comment #3

I don't want two cameras... saw terrible sound on the Panasonics... and so, I'm leaning towards the Samsung.....

Comment #4

So which parameter should I be looking for? Sensor size?..

Comment #5

So if I see sensor size: 1/2.33' - that's good?..

Comment #6

I mean - the lower the second number is - the better?..

Comment #7

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This question was taken from a support group/message board and re-posted here so others can learn from it.

 

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