Canon EOS Rebel SL1 18-55mm IS STM Kit Instruction Manual - Page 132

3 Setting Noise ReductionN When [Multi Shot Noise Reduction] is Set If there is significant misalignment in the image due to camera shake, the noise reduction effect may be minimal. If you are handholding the camera, keep it steady to prevent camera shake. Using a tripod is recommended. If you shoot a moving subject, the subject's movement may leave afterimages or the surrounding area of the subject may become dark. The image alignment may not function properly with repetitive patterns (lattice, stripes, etc.) or flat, single-tone images. Recording the image to the card will take longer than with normal shooting. During the processing of the images, "BUSY" will be displayed and you cannot take another picture until the processing is completed. 1+73 or 1 cannot be selected. AEB shooting and WB bracketing cannot be used. [z3: Long exp. noise reduction] cannot be set. If any of these has already been selected or set, [Multi Shot Noise Reduction] cannot be set. Flash shooting is not possible. The AF-assist beam will be emitted according to the [54: Custom Functions (C.Fn)]'s [4: AF-assist beam firing] setting. You cannot set [Multi Shot Noise Reduction] for bulb exposures. If you turn off the power, change the shooting mode to a Basic Zone mode, shoot a bulb exposure, or shoot a movie, the setting will automatically be changed to [Standard]. [z3: Dust Delete Data] cannot be set. Direct printing (p.282) is not possible. Long Exposure Noise Reduction Noise reduction is possible with images exposed for 1 sec. or longer. 1 Select [Long exp. noise reduction]. Under the [z3] tab, select [Long exp. noise reduction], then press . 132