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Choosing Your Digital Megapixel Rating On Your Digital Camera

Choosing Your Digital Megapixel Rating On Your Digital Camera

A shared concern among digital camera users is which size photos will they be able to print out. This is linked to your digital camera megapixel rating. The bigger paper size you choose to print photos the added likely you force start in on to comprehend pixilation. This is when you start to comprehend the personality pixels that your photo is made of.

So What Megapixel Rating Should You Choose?
Unfortunetly, there is no clear choice on this. The megapixels is only one consideration. If you are looking for quality photos you must also consider the paper quality, the type of printer, and the conditions the picture was first taken in. These are just the beginning.

We can however, provide a starting point or rule of thumb for a high enough digital camera megapixel rating. Pretty much since digital images have been around we have counted pixels. Analogous to your printer's DPI (dots per inch) the PPI (pixels per inch) rating provides the number of pixels in a single inch of your digital image. In this article we are referring to both the X and Y axis. So a PPI of 100 would be 10,000 (100 x 100) pixels per square inch.

By and large, the correlation among PPI and photo quality go something like this:

PPI 100 - bad to fair
PPI 200 - good
PPI 300 - excellant

So What Does Tha Mean For Paper Size?
We are now set get the digital camera megapixel rating needed for any desired paper size and photo quality. We do this first by multiplying the page langth and width to get the total area of the paper (i.E. 8x10 = 80sqin). Second we will multiply the total area of the paper by the square of the PPI rating.

The final result is:
Page Size        Bad to Fair       Good               Excellent
4x6                  0.24MP            0.96MP            2.2MP
5x7                  0.35MP            1.40MP            3.2MP
8x10                0.80MP            3.20MP            7.2MP
11x14              1.54MP            6.16MP            13.9MP
16x20              3.20MP            12.80MP          28.8MP
20x30              6.00MP            24.00MP          54.0MP

This is not an exact figure however should be a good start. Thankfully a 10 megapixel camera can be purchased for under 0.. That should be a decent enough digital camera megapixel rating for the normal vacation pictures and even decent enough for good amateur photography.

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