Canon EOS 7D EOS 7D Instruction Manual - Page 62

i: Setting the ISO SpeedN Set the ISO speed (image sensor's sensitivity to light) to suit the ambient light level. In the fully-automatic modes (1/C), the ISO speed is set automatically (p.63). 1 Press the button. (9) 2 Set the ISO speed. While looking at the LCD panel or viewfinder, turn the dial. It can be set within ISO 100-6400 in 1/3-stop increments. With "A" selected, the ISO speed will be set automatically (p.63). ISO Speed Guide ISO Speed 100 - 400 400 - 1600 1600 - 6400, H Shooting Situation (No flash) Sunny outdoors Overcast skies or evening time Dark indoors or night Flash Range The higher the ISO speed, the farther the flash range will be (p.112). If [8C.Fn II -3: Highlight tone priority] is set to [1: Enable], the settable ISO speed range will be ISO 200 - 6400 (p.209). Using a high ISO speed or shooting in high-temperature conditions may result in more grainy images. Long exposures can also cause irregular colors in the image. When you shoot at high ISO speeds, noise (horizontal banding, dots of light, etc.) may appear. With [8C.Fn I -3: ISO expansion] set to [1: On], "H" (equivalent to ISO 12800) can also be set (p.206). 62