Why some Digital Cameras take photos at 72dpi while some others take photos at 96 to 300dpi?
I know that Sony and Fuji Digital Cameras record the photos at 72dpi being at Hi Resolution settings, while Digital Cameras like Canon and Nikon record the photos at 96dpi to 300dpi being at Med to Hi Resolution settings. I have a Fuji Finepix S5100
4 Megapixels and I set the adjustments at the highest photo quality and the result is a photo at 72dpi. Why is that?
Answer:
You can not control the pixels per inch in your camera, as this is a function of the sensor. I have found the following ppi for SOME cameras by the following manufacturers. I wonder if this specification is available anywhere. I have four camera manuals in front of me and I can't find it in any of them.
NIKON - 300 ppi
CANON - 180 ppi
PENTAX - 72 ppi
We "discussed" this by way of question and answers a while back and decided that the ppi file produced by the camera really did not have any effect on the capability to produce a good print. If I take a photo with my wife's 6 MP Nikon and view the image on the screen, it will start out as 300 ppi. If it's a full frame image of 3008 pixels x 2000 pixels, the SCREEN image would be pretty big if I viewed it full sized, but it would print 10.0" x 6.6". If you crop a 5x7 out of this, keeping it as full-frame as possible, it becomes 400 dpi.
With my brother's 6 MP Pentax, the image is 2816 px x 2112 px, but it's at 72 ppi. If you print this without cropping, it would be 39" x 29"!!! If you crop a 5x7 out of this, though, it becomes 402 dpi resolution, which is virtually identical for the Nikon 6 MP camera.
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