sensor

ISO in Photography: A Complete Guide

When compared to the other components of the exposure triangle (shutter speed and aperture), ISO appears to be the most intuitive on the surface. It is also the most misunderstood component, and everything from its definition to its usage has been discussed extensively.

Foveon: The Clever Image Sensor That Has Failed to Catch On

Back in the early 2000s, Sigma -- a company usually known in the photography community as a lens manufacturer -- released a new type of camera sensor named the Foveon X3. This sensor technology was first patented in 1999 by a company called Foveon, Inc. (later acquired in 2008 by Sigma) and featured an innovative color perception technology: a 3-layer stack of photosensitive diodes.

Image Quality is More Than Megapixels

The megapixel count of a camera is often viewed by consumers to be the benchmark number for telling whether or not that camera is "good." If that were true, however, why do photographers not just buy a 108-megapixel smartphone to use as their primary equipment? The answer: because image quality has to do with far more than just megapixels.