Canon EOS Rebel T1i EOS REBEL T1i/EOS 500D Instruction Manual - Page 35

About the Lens Image Stabilizer When you use the IS lens' built-in Image Stabilizer, camera shake is corrected to obtain a less blurred shot. The procedure explained here is based on the EF-S18-55mm f/3.5-5.6 IS lens as an example. * IS stands for Image Stabilizer. 1 Set the IS switch to . Set the camera's power switch to . 2 Press the shutter button halfway. X The Image Stabilizer will operate. 3 Take the picture. When the picture looks steady in the viewfinder, press the shutter button completely to take the picture. The Image Stabilizer is not effective for moving subjects. The Image Stabilizer may not be effective for excessive shaking such as on a rocking boat. The Image Stabilizer can operate with the focus mode switch set to either or . If the camera is mounted on a tripod, you can save battery power by switching the IS switch to . The Image Stabilizer is effective even when the camera is mounted on a monopod. Some IS lenses enable you to switch the IS mode manually to suit the shooting conditions. However, the EF-S18-55mm f/3.5-5.6 IS and EFS18-200mm f/3.5-5.6 IS lenses switch the IS mode automatically. 35