ISO Sensitivity Settings

Adjust ISO sensitivity settings for photographs.

Option	Description
ISO sensitivity	Adjust ISO sensitivity. Select from values between ISO 64 and 25600. Settings of from about 0.3 to 1 EV below ISO 64 and 0.3 to 2 EV above ISO 25600 are also available for special situations. b mode offers an additional Auto option.
Auto ISO sensitivity control	If On is selected, the camera will automatically adjust ISO sensitivity when optimal exposure cannot be achieved at the value selected for ISO sensitivity. The options listed below are available for fine-tuning auto ISO sensitivity control. Maximum sensitivity: Choose an upper limit for ISO sensitivity to prevent it being raised too high. Maximum sensitivity with c: Choose the upper ISO sensitivity limit for photos taken using an optional flash unit. Minimum shutter speed: Choose the shutter speed below which auto ISO sensitivity control will kick in to prevent underexposure in modes P and A. Options range from 1/4000 s to 30 s.

Option

Description

ISO sensitivity

Adjust ISO sensitivity. Select from values between ISO 64 and 25600. Settings of from about 0.3 to 1 EV below ISO 64 and 0.3 to 2 EV above ISO 25600 are also available for special situations. b mode offers an additional Auto option.

Auto ISO sensitivity control

If On is selected, the camera will automatically adjust ISO sensitivity when optimal exposure cannot be achieved at the value selected for ISO sensitivity. The options listed below are available for fine-tuning auto ISO sensitivity control.

Maximum sensitivity: Choose an upper limit for ISO sensitivity to prevent it being raised too high.
Maximum sensitivity with c: Choose the upper ISO sensitivity limit for photos taken using an optional flash unit.
Minimum shutter speed: Choose the shutter speed below which auto ISO sensitivity control will kick in to prevent underexposure in modes P and A. Options range from 1/4000 s to 30 s.