Digital cameras forum: Confusion over digital camera megapixels

by: Lee Koo (ADMIN) November 13, 2009 2:36 PM PST

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Confusion over digital camera megapixels

by Lee Koo (ADMIN) ModeratorCNET staff - 11/13/09 2:36 PM

Question:

Confusion over digital camera megapixels


Most manufacturers display the number of megapixels that their cameras have. What exactly is this number? Is it the number of pixels per square unit? If so what is this unit? In film cameras, the size on the film had a bearing on the quality of the final print, particularly enlargements and the larger formats were preferred by professionals who wanted to print large sized pictures. Is there an equivalence in digital cameras and do manufacturers display this? Under what name is this displayed? How much of this is good?

--Submitted by V.K. Subramanian

Here are some featured member answers to get you started, but
please read all the advice and suggestions that our
members have contributed to this question.

Some answers --Submitted by kalel33
http://forums.cnet.com/5208-7593_102-0.html?messageID=3173999#3173999

Don't get sucked in the megapixel wars... --Submitted by stevehulk121
http://forums.cnet.com/5208-7593_102-0.html?messageID=3174150#3174150

Megapixel quality relates to sensor size --Submitted by muffindell
http://forums.cnet.com/5208-7593_102-0.html?messageID=3174388#3174388

Megapixels --Submitted by alswilling
http://forums.cnet.com/5208-7593_102-0.html?messageID=3174896#3174896

Explained megapixels --Submitted by Mortinox
http://forums.cnet.com/5208-7593_102-0.html?messageID=3175640#3175640

Read all member contributions to this topic
http://forums.cnet.com/5208-7593_102-0.html?messageID=3173973

Thanks to all who contributed!

If you have any additional advice for V.K. please click on the reply link and submit it. Please be as detailed as possible in your explanation. Thanks!

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