Camera and Image Dynamic Range
The dynamic range in photography refers to the luminosity range of a scene being photographed. Therefore, the photographic medium used to record that scene can have their own dynamic range limitations. Photographic films, digital sensors and photographic paper, they all have a light sensitivity range which marks the difference between the darker shadow and the … Read more
Understanding Pixels Per Inch (PPI)
Pixels Per Inch, also referred as pixel density, refers to the number of individual pixels that a computer display in a single inch area. PPI can also describe the resolution of an image scanner or digital camera. The apparent PPI of a computer monitor depends upon the screen resolution selected. A monitor set to 800 … Read more
Understanding Dots Per Inch (DPI)
Dots Per Inch refers to the number of individual dots that a printer can produce in a single inch area on the paper. Therefore, a printer with a bigger dpi is capable to produce prints with higher graphical detail and quality. The range of DPI supported by a printer depends of the printer head technology. … Read more
Image File Formats – Types and Uses
There are approximately a number of 58 image file formats, but here will be described only the most widespread and used formats. JPEG (JPG, JPE) The JPEG (Joint Photography Experts Group) is the file format most used for storing and transmitting photographs over the internet. Most of digital cameras have the option to save images … Read more