How to set the ISO on the EOS 1D Mark II, EOS 1D Mark II N, and EOS 1Ds Mark II.

Article ID: ART157591 | Date published: 06/09/2015 | Date last updated: 08/17/2015
 

Description

How to set the ISO on the EOS 1D Mark II, EOS 1D Mark II N, and EOS 1Ds Mark II.

Solution

The ISO speed is a numeric indication of the sensitivity to light. A higher ISO speed number indicates a higher sensitivity to light. Therefore, a high ISO speed is suited for low light and moving subjects. However, the image may look more coarse with noise, etc. On the other hand, a low ISO speed is not suited for low light or action shots, but the image will look finer.

The camera can be set between ISO 100 and 1600 in 1/3-stop increments.


1. Hold down the <AF> and <> buttons simultaneously.
  • The current ISO speed will be displayed on the LCD panel.
2. Turn the <> dial.
  • Turn the <> dial until the desired ISO speed is displayed on the LCD panel, then let go of the buttons.
  • The ISO speed will be set.
  • At higher ISO speeds and higher ambient temperatures, the image will have more noise.
  • High temperatures, high ISO speeds, or long exposures may cause irregular colors in the image.

ISO Speed Extension

Under the <> tab, set [ISO expansion] to <On> to enable ISO 50 or 3200 to be set. When set, ISO 50 is indicated by L and ISO 3200 by H.

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