EF-S55-250mm f/4-5.6 IS STM
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Instructions
Thank you for purchasing a Canon product.
The Canon EF-S55-250mm f/4-5.6 IS STM is |
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High-speed, quiet Autofocusing achieved during |
a high-performance telephoto zoom lens that |
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viewfinder shooting. |
makes movie shooting comfortable. The lens |
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UD lens elements for excellent imaging performance. |
is equipped with an Image Stabilizer and has |
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Equipped with an Image Stabilizer that provides |
been developed for EOS cameras compatible |
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an image stabilization effect equivalent to a shutter |
with EF-S lenses*. |
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speed 3.5 stops*2 faster (telephoto end, when |
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used with the EOS 7D). The Image Stabilizer also |
* Only the following EOS cameras are compatible |
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provides optimal image stabilization that responds |
with EF-S lenses (as of July 2013): |
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to shooting conditions (such as shooting still |
EOS 7D, EOS 60D, EOS 60Da, EOS 50D, EOS |
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subjects and following shots). |
40D, EOS 30D, EOS 20D, EOS 20Da, EOS |
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Electronic manual focusing (MF) made possible by |
REBEL T5i/700D, EOS REBEL SL1/100D, EOS |
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electronically detecting the rotation of the focusing ring. |
REBEL T4i/650D, EOS REBEL T3i/600D, EOS |
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Manual focusing is available after the subject comes |
REBEL T2i/550D, EOS REBEL T1i/500D, EOS |
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into focus in autofocus mode (ONE SHOT AF). |
REBEL XSi/450D, EOS REBEL T3/1100D, EOS |
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Circular aperture for producing beautiful |
REBEL XS/1000D, EOS DIGITAL REBEL XTi/400D |
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softfocus images. |
DIGITAL, EOS DIGITAL REBEL XT/350D DIGITAL, |
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EOS DIGITAL REBEL/300D DIGITAL, EOS M |
*1: Function compatible with the following camera (as |
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(when using with Mount Adapter EF-EOS M) |
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of July 2013): |
●● "IS" stands for Image Stabilizer. |
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EOS REBEL T5i/700D, EOS REBEL SL1/100D, |
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EOS REBEL T4i/650D, EOS M (when using with |
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●● "STM" stands for stepping motor. |
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Mount Adapter EF-EOS M) |
Features |
*2: Image stabilization performance based on CIPA |
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(Camera & Imaging Products Association) Standards. |
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1. Improved Movie Shooting Functions |
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During actual shooting, image stabilization |
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• Stepping motor with lead screws achieves quiet, |
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performance varies depending on the amount of |
smooth Movie Servo AF. *1 |
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camera shake, shooting conditions, and other factors. |
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Handling Cautions
●●If the lens is taken from a cold environment into a warm one, condensation may develop on the lens surface and internal parts. To prevent condensation in this case, first put the lens into an airtight plastic bag before taking it from a cold to warm environment. Then take out the lens after it has warmed gradually. Do the same when taking the lens from a warm environment into a cold one.
●●Do not leave the lens in excessive heat such as in a car in direct sunlight. High temperatures can cause the lens to malfunction.
Safety Precautions
●●Do not look at the sun or a bright light source through the lens or camera. Doing so could result in loss of vision. Looking at the sun directly through the lens is especially hazardous.
●●Whether it is attached to the camera or not, do not leave the lens under the sun without the lens cap attached. This is to prevent the lens from concentrating the sun’s rays, which could cause a fire.
Conventions used in this instruction
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Warning to prevent lens or camera malfunction |
Usage Precautions |
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or damage. |
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●● When using this lens with an EOS REBEL T4i/650D |
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Supplementary notes on using the lens and |
camera, please be sure to update the camera’s |
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taking pictures. |
firmware to version 1.0.4 or later. |
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●● If the EOS REBEL T4i/650D firmware is an earlier |
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version than 1.0.4, there is a slight chance that the |
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camera will stop operating. If this occurs, pleaseCOremovePY |
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the battery temporarily and insert it again for correct |
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camera operation. |
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●● For information on firmware updates, please check the |
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Canon website. |
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Safety Precautions
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Do not make any changes or modifications to the equipment unless otherwise specified in the instructions. If such changes or modifications should be made, you could be required to stop operation of the equipment.
This equipment has been tested and found to comply with the limits for a class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interferenceCOPYin a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and
used in accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
•Reorient or relocate the receiving antenna.
•Increase the separation between the equipment and receiver.
•Consult the dealer or an experienced radio/TV technician for help.
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Shooting Precautions
The EF-S55-250mm f/4-5.6 IS STM utilizes a stepping motor that drives the focus lens. The motor also controls the focus lens during zooming.
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 use of the auto power off function. Therefore, users must be aware of the following points.
●● Manual focus adjustments are not possible.
●●During zooming, delayed focus will 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. Sleep mode
differs from when the camera is OFF due to the use of the auto power off function. In this state, the motor will not operate even if the camera is ON. Therefore,COPYusers must be aware of the following points.
●●Manual focus adjustments are not possible.
●●During zooming, delayed focus will occur.
●●To exit sleep mode, press the shutter button halfway.camera is OFF due to the use of the auto power off function*1, the lens performs an initial reset of the focus lens.
●●Although the image in the viewfinder will appear out of focus during the initial reset, this does not mean that the lens has malfunctioned.
●●Although the shutter can be released during the initial reset, users must wait approximately 1 second*2 after the initial reset has completed before shooting.
*1: Applicable to the following EF-S lens compatible EOS 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 camera being used.
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