Executive Summary about Digital Camera Megapixel by Steve L Thompson

8 megapixel digital camera

The camera industry promotes megapixel ratings as though they are a measure of photo quality, and lots of customers fall for it. Megapixels measure the maximum size of each photo. For example, a six-megapixel camera captures pictures made up of six million tiny dots, a 12-megapixel is made up of 12 million dots – and so on.

In reality, there are really bad twelve-megapixel images, just as there are fantastic six-megapixel shots.

Six megapixels will do the job really well.

It’s worth noting that large files take a long time to download, so photos intended purely for display on the computer (the Web, e-mail, slideshows) – need very few pixels.

If it’s gallery quality prints, then go for the highest megapixel you can.

Digital Cameras: How Many Pixels Do I Need?

Executive Summary about Digital Camera Megapixel by Marty Rubenski

Nowadays, even 5.0 megapixel cameras are affordable, even for casual snapshots.

Higher megapixel cameras do have some drawback. A basic 5.0 megapixel camera currently runs between $200 and $300. A 1.2 megapixel camera can be had for less than $50. A 32 MByte memory card will hold around a hundred 1.2 megapixel pictures. This drops right down to around 60 pictures for 2.0 megapixels and to around 40 pictures for a 3.0 megapixel model. The larger, the number of pixels, the larger the file size. The following chart shows sample file sizes, typical resolution and maximum print size for different pixel counts stored as high-quality JPEG files:

Pixels – - – File Size – - – Resolution – - – Print Size

(mp)            (MB)               (…x…)                 (..R)

Most computers will only display the 2.0 megapixel image (at most) without scrolling, so you may find yourself resizing all your pictures – or not using the maximum resolution of your camera – if you have a 5.0 megapixel camera.

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