From 4b5c860cb6cb97178a341b435b4f908b8d6343a1 Mon Sep 17 00:00:00 2001 From: Quentin Bolsee <quentinbolsee@hotmail.com> Date: Thu, 25 Apr 2024 12:49:41 -0400 Subject: [PATCH] ISO --- topics/01_cameras/index.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/topics/01_cameras/index.md b/topics/01_cameras/index.md index 14ead8c..9f43a33 100644 --- a/topics/01_cameras/index.md +++ b/topics/01_cameras/index.md @@ -135,6 +135,8 @@ It is common to choose the $z$ axis to point **toward** the scene, and the $y$ a We'll focus on the two main families of digital sensors: CCD and CMOS. In both families, the actual light sensing is based on the electron-hole pair generation in MOS photodiodes. The main difference is how this charge is converted to a signal, offering tradeoffs over complexity, signal-to-noise ratio and readout speed. +The **ISO** of a sensor is a metric characterizing its sensitivity to light. The same metric is used for both analog and digital sensors. The ISO of a film is a function of its chemistry, while the ISO of a digital sensor is a function of its digital gain. Standard ISO values follow a logarithmic scale: 100, 200, 400, 800, 1600, 3200, etc. + ### CCD  -- GitLab