Handling Precautions: Stm Lenses (Kit Lenses) - Canon EOS REBEL T6i Instruction Manual

Handling Precautions: STM Lenses (Kit Lenses)

Kit lenses* use a stepping motor that drives the focus lens. The motor
controls the focus lens even during zooming.
* EF-S18-55mm f/3.5-5.6 IS STM, EF-S18-135mm f/3.5-5.6 IS STM, and EF-S55-
250mm f/4-5.6 IS STM
1. When the camera is OFF
The motor does not operate while the camera is OFF or when the
camera is OFF due to the auto power off function. Therefore, users
must be aware of the following points.
Manual focusing is not possible.

During zooming, inaccurate focusing may occur.

2. When the lens is in sleep mode
If not operated for a certain period of time, this lens will enter sleep
mode 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 reset
When the camera is turned ON or when the camera is turned ON by
pressing the shutter button halfway when the camera is OFF due to
the auto power off function*
focus lens.
Although the image in the viewfinder will appear out of focus

during the initial reset, this is not a malfunction.
Wait approx. 1 second*

before shooting.
*1: Applicable to the following EF-S lens compatible digital SLR cameras:
EOS 7D Mark II, EOS 7D, EOS 70D, 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 T5/
1200D, 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.
1
, the lens performs an initial reset of the
2
until the initial reset has completed
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