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3. During initial reset
When the camera is ON or when the camera is turned ON by pressing the shutter button halfway down when the
camera is OFF due to the use of the auto power off function*
Although the image in the viewfinder will appear out of focus during the initial reset, this does not mean that the
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lens has malfunctioned.
Although the shutter can be released during the initial reset, users must wait approximately 1 second*
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initial reset has completed before shooting.
*1: Not applicable to the following EOS camera models:
EOS REBEL T5i/700D, EOS REBEL SL1/100D, EOS REBEL T4i/650D
*2: With some cameras, the lens may perform an initial reset in order to improve lens performance even at times
other than described in this section.
*3: The initial reset time varies depending on camera being used.
When using the lens with film-based SLR cameras
The drive speed of the focus lens will be slower than when the lens is used with a digital camera.
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Images will appear out of focus when using the camera's internal flash while it is charging or when zooming
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during exposure for still images.
Even when the camera is ON, images may appear out of focus when zooming. If this occurs, press the shutter
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button halfway while zooming.
After focusing in ONE SHOT AF mode and zooming by holding the shutter button halfway, the camera may
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indicate that the AF mode has been changed to manual focus (MF) mode.
During continuous shooting, zooming may slow down shooting speed.
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There are some cases when users must wait approximately 1 second after zooming before the auto focus will
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function.
, the lens performs an initial reset of the focus lens.*
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2
3
after the
ENG-5
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