Similar to a tile mosaic, a digital photograph is comprised of millions of tiny blocks of color called pixels. The number of pixels per inch (or "ppi") contained in an image determines the resolution. More pixels in each inch result in clearer, high resolution images; fewer pixels in an inch create low or moderate resolution files.
Specifications
A moderate resolution image contains anywhere between 100 to 200 pixels per inch. High resolution images generally consist of 300 ppi or more.
Potential
Low to moderate resolution images display perfectly fine on a computer screen, but high resolution photos provide crisp, professional prints. Steve Patterson, from PhotoshopEssentials.com, indicates that 240 ppi prints provide adequate picture quality even though 300 ppi is the professional standard.
Considerations
The pixel dimension of a photo in tandem with the resolution determines an image's size. A 1000x1400 pixel image printed at a resolution of 200 ppi results in a 5x7 print, but the same image at 300 ppi prints out at 3.33x4.66.
Warning
Squeezing more pixels into each inch increases an image's resolution while decreasing its print size, but increasing resolution while simultaneously making the print larger is not possible. You simply cannot add pixels to an image.
Expert Insight
Taking photos at a low or medium resolution saves space on your memory card, but the photo experts at HP Digital Photography recommend shooting in high resolution so you'll always have big images from which to work.
Similar to a tile mosaic, a digital photograph is comprised of millions of tiny blocks of color called pixels.
Enhance your photography skill,The Top Secret Photography Techniques
. The number of pixels per inch (or "ppi") contained in an image determines the resolution. More pixels in each inch result in clearer, high resolution images; fewer pixels in an inch create low or moderate resolution files.Specifications
A moderate resolution image contains anywhere between 100 to 200 pixels per inch. High resolution images generally consist of 300 ppi or more.
Potential
Low to moderate resolution images display perfectly fine on a computer screen, but high resolution photos provide crisp, professional prints. Steve Patterson, from PhotoshopEssentials.com, indicates that 240 ppi prints provide adequate picture quality even though 300 ppi is the professional standard.
Considerations
The pixel dimension of a photo in tandem with the resolution determines an image's size. A 1000x1400 pixel image printed at a resolution of 200 ppi results in a 5x7 print, but the same image at 300 ppi prints out at 3.33x4.66.
Warning
Squeezing more pixels into each inch increases an image's resolution while decreasing its print size, but increasing resolution while simultaneously making the print larger is not possible. You simply cannot add pixels to an image.
Expert Insight
Taking photos at a low or medium resolution saves space on your memory card, but the photo experts at HP Digital Photography recommend shooting in high resolution so you'll always have big images from which to work.
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