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 Posted: Mon Jul 19, 2010 1:51 pm
So I'm going to make this short and sweet and give you the jist of what you need to know.
MP, are they important? Yes.
Are they the single reason you should buy a camera? Maybe, but probably not.
See, it all depends on what you do.. But here's why MP are important, the bigger the number, the bigger the image. Megapixles just determine the size of an image. So for instance..
A 10mp camera brings out images at a size of 3648x2736
A 20mp camera makes something like 5480x3656
Why is this important? Well it matters if you need to make a print for some company that's lets say, 24x20" at 300dpi, which is going to end up being like 7200x6000, having a camera that only shoots photos to 3648x2736 simply won't cut it.
Of course you can always make pictures bigger but that's never ever good. As a last resort you can, sure, but it's always better to have what you need pretty much straight out of the camera to go to print with as little work needed as possible because when you're doing stuff professionally, time is money. And depending on what company or whatever you might be working for - deadlines are so important. They need their photos for print, for a magazine, for an ad, whatever. They need you to take the phots they want, how they want it.. AND to get it to them IN time. The more photos you can get done and out the door, the sooner the better.
That's why there are cameras, like the hassleblads, phase ones, that shoot 50, 60+ megapixles.
Have you ever been in a store, for instance, Kay Jewlers. Usually in most of their stores they have HUGE pictures up, stuff thats 5ft, 6ft tall or wide. You're not going to be able to have a print THAT large with any reasonable amount of quality shooting from a 10mp camera.
So long story short, that's what megapixles are all about.
I have a friend of mine to recently bought a hassleblad, it's a ridiculously amazing camera. But should you drop $50,000~ for one? Well that all depends.. Do you make prints that need 50mp? On a regular basis and make enough money from it to justify buying that camera. Well I can't answer that for you, but for most people here the answer would obviously be no.
Most people here should be fine with 10 - 16mp cameras, do you need a 20mp camera. Honestly, probably not. Is it nice? Of course!!!!
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Posted: Tue Jul 20, 2010 3:22 pm
There is a point where cameras can't record enough information fast enough, especially with a lot of megapixels, and they start to make up information to put there. That is why cameras that have a lot of megapixels and still take good quality pictures are so expensive. They have to record a lot of information in an extremely short amount of time.
Something that I usually see as more important than how many megapixels a camera has is the resolution. A million megapixels mean nothing if you don't have good resolution.
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