What is the largest print size for 6.0 megapixel?

9 megapixel camera image

e_coli_lov

I have a 6.0 megapixel camera, what it the largest size print i could get at 300dpi?
I have heard many times that larger prints don't have to be great quality - they can be somewhat pixelated - because the prints will be viewed from a larger distance away from the photo than say an 8x10. If that is so, how much could i blow up an image taken with my 6.0 megapixel camera?

Answer
Strictly speaking, what you're asking is a math problem.

Assuming the camera has a 4:3 aspect ratio, the following is true:

4X*3X = 6,000,000 (= 6MP)

Solving for X, you get X =~700.

So your 6MP picture is about 2800 pixels by 2100 pixels.

Divide that by 300 dpi (your preferred print setting), and the largest print you'd get is about 9" by 7" (= 2800/300 and 2100/300). So an 8"X10" would be close to this.

To print an 11" X 14" at 300 dpi, you'd need 3300*4200 (actually, it would wind up being around 3300*4400 because of the 4:3 aspect ratio) pixels, or about 14MP.

Try printing out your photos at 200 dpi first. If you don't like how that looks, then you should consult a professional about printing out 11" X 14" photos out for you from 6 MP files.

What about camcorders having 70x zoom if any, with both excellent still and motion megapixels?

Jin Mdi

I heard about a Panasonic camcorder having 70x zoom but 0.8/0.9 megapixels for still image with less resolution. What does this mean ? Is there any Sony or Canon product having both excellent zoom more than 50x(say) optical zoom with 12 or 14 megapixels - still imaging, with high resolution ?

Answer
To get high resolution still images and high zoom, you would need to use a D-SLR combo camera with whatever lens you desire (.mm). Combo D-SLR's record video in HD but have much larger sensors than typical consumer-grade camcorders/cameras. If the zoom factor is very important to you on a camcorder, make sure you consider Optical zoom not Digital zoom. Optical is true lens zoom and digital is basically magnifications of the pixels, thus fake and looks terrible when used. Most consumer-grade camcorders can take still images at around 5 or more mega-pixels which is fine and high zoom requires the use a tripod for sure as a tiny bit of movement (nervous hand, wind, etc.) of the cam and/or tripod will be acerbated in the final video (looking shaky and unappealing to the viewer).

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