Canon EOS 10D Setting the ISO Speed, ISO Speed in the Basic Zone Modes, Press the button

Setting the ISO Speed

The ISO speed is a numeric indication of the sensitivity to light (→p.158). A higher ISO speed number indicates a higher sensitivity to light. Therefore, a high ISO speed is suited for moving subjects or shooting in low-light conditions. However, the image will contain more noise to make it look coarse or grainy. On the other hand, a low ISO speed will make the image look finer, but it is not suited for freezing motion or shooting in low light.

ISO Speed in the Basic Zone Modes

The ISO speed is set automatically.							(ISO)
Normal (No flash)	Varies*	100	Varies*	Varies*	400	Varies*	Varies*
With built-in flash	400**	100	–	400**	–	400**	–
With external Speedlite	100	100	100	100	400	100	–

* Automatically set within ISO 100-400. ** For daytime backlit conditions, ISO 100 is set.

ISO Speed in the Creative Zone Modes

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Settings for

Shooting

You can set the ISO speed to “ ”, “ sion] is set to [On], you can also set “

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2

”, “”, “”, or “”. If the menu’s [ISO expan- ” (ISO 3200).

Press the <> button. ( )

sThe current ISO speed will be displayed on the LCD panel.

•In the Basic Zone modes, “” will be displayed on the LCD panel.

Set the ISO speed.

•While looking at the LCD panel, turn the < > dial to set the desired ISO speed.

•To return to shooting, press the shutter button halfway.

•The higher the ISO speed and the higher the ambient temperature, the more noise the image will contain and the larger the image file size will be. Therefore, fewer

images can be recorded on the CF card. On the LCD panel, you can check how many more images the CF card can hold. (→p.16)

•High temperatures, high ISO speeds, or long exposures may cause irregular colors in the image.

In step 2, turning the < > dial will set the drive mode. (→p.76)

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