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. 8×10 = 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
4×6 0.24MP 0.96MP 2.2MP
5×7 0.35MP 1.40MP 3.2MP
8×10 0.80MP 3.20MP 7.2MP
11×14 1.54MP 6.16MP 13.9MP
16×20 3.20MP 12.80MP 28.8MP
20×30 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 $200.. That should be a decent enough digital camera megapixel rating for the normal vacation pictures and even decent enough for good amateur photography.
About the Author
Don Casas is an amateur digital photographer. He enjoys taking as well as editing photos. You can find more digital camera reviews such as the Cannon A1100 IS digital camera as well as articles about photography at DonsDigitalCameras.com
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