346The kit lenses use a stepping motor that drives the focus lens. Themotor controls the focus lens even during zooming.1. When the camera is OFFThe motor does not operate while the camera is OFF or when thecamera is OFF due to the auto power off function. Therefore, usersmust be aware of the following points.Manual focusing is not possible.During zooming, inaccurate focusing may occur.2. When the lens is in sleep modeIf not operated for a certain period of time, this lens will enter sleepmode in order to save power, apart from the camera’s auto power off.To exit sleep mode, press the shutter button halfway.In sleep mode, the motor will not operate even if the camera is ON.Therefore, users must be aware of the following points.Manual focusing is not possible.During zooming, inaccurate focusing may occur.3. During initial resetWhen the camera is turned ON or when the camera is turned ON bypressing the shutter button halfway when the camera is OFF due tothe auto power off function*1 , the lens performs an initial reset of thefocus lens.Although the image in the viewfinder will appear out of focusduring the initial reset, this is not a malfunction.Although the shutter can be released during the initial reset, usersmust wait approx. 1 second* 2 after the initial reset has completedbefore shooting.*1: Applicable to the following EF-S lens compatible digital SLR cameras:EOS 7D, EOS 60D, EOS 60Da, EOS 50D, EOS 40D, EOS 30D, EOS 20D,EOS 20Da, EOS REBEL T3i/600D, EOS REBEL T2i/550D, EOS REBEL T1i/500D, EOS REBEL XSi/450D, EOS REBEL T3/1100D, EOS REBEL XS/1000D, EOS DIGITAL REBEL XTi/400D DIGITAL, EOS DIGITAL REBEL XT/350D DIGITAL, EOS DIGITAL REBEL/300D DIGITAL*2: The initial reset time varies depending on the camera used.Handling Precautions: EF-S18-55mm f/3.5-5.6 IS STM,EF-S18-135mm f/3.5-5.6 IS STMCOPY
