Canon EOS Rebel T5 18-55 IS II Kit Instruction Manual - Page 88

i: Changing the ISO SpeedN Set the ISO speed (image sensor's sensitivity to light) to suit the ambient light level. In Basic Zone modes, the ISO speed is set automatically (p.89). 1 Press the button. X [ISO speed] will appear. 2 Set the ISO speed. Press the keys or turn the dial to select the desired ISO speed, then press . With [AUTO] selected, the ISO speed will be set automatically (p.89). ISO Speed Guide ISO Speed Shooting Situation (No flash) Flash Range ISO 100 - 400 ISO 400 - 1600 ISO 1600 - 6400, H Sunny outdoors The higher the ISO speed, Overcast skies or evening time the farther the flash range Dark indoors or night will extend (p.101). * High ISO speeds will result in grainier images. Under [53: Custom Functions (C.Fn)], if [2: ISO expansion] is set to [1: On], "H" (equivalent to ISO 12800) can also be set (p.258). Under [53: Custom Functions (C.Fn)], if [10: Flash button function] is set to [1: ISO speed], you can set the ISO speed with the button. Under [53: Custom Functions (C.Fn)], if [6: Highlight tone priority] is set to [1: Enable], ISO 100 and "H" (equivalent to ISO 12800) cannot be selected (p.261). Shooting in high temperatures may result in images that look grainier. Long exposures can also cause irregular colors in the image. 88