Digital Camera

Camera controls are inter-related. The total amount of light reaching the film plane  changes with the duration of exposure, aperture of the lens, and, on the effective focal length of the lens, can force a change in aperture as the lens is zoomed. Changing any of these controls can alter the exposure. Many cameras may [...]

Digital photo enlargement to several times its original 300 PPI size, while still retaining sharp detail, is perhaps the ultimate goal of many interpolation algorithms.  Despite this common aim, enlargement results can vary significantly depending on the resize software, sharpening and interpolation algorithm implemented.
Before proceeding with this tutorial, know that there is no magic [...]