EF11-24mm f/4L USM
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Instructions
Thank you for purchasing a Canon product.
Canon’s EF11-24mm f/4L USM is a high- |
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performance ultra-wide angle zoom lens, for use |
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Use of super UD lens elements, UD lens |
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with EOS cameras. |
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elements, and two types of aspherical lens |
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●● “USM” stands for Ultrasonic Motor. |
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elements giving superior definition. |
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SWC (Subwavelength Structure Coating) |
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and ASC (Air Sphere Coating) are utilized to |
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significantly reduce occurrences of flare and |
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ghost created by quite large incident angles of |
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light. |
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3. |
Using a fluorine coating on the foremost and |
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rearmost lens surfaces allows adhered dirt to be |
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removed more easily than before. |
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Ultrasonic motor (USM) for fast, quiet autofocus. |
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Manual focusing is available after the subject |
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COPYcomes into focus in autofocus mode (ONE |
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SHOT AF). |
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6. |
Circular aperture for producing beautiful |
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softfocus images. |
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7. |
Tight seal structure provides excellent dustproof |
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and drip-proof performance. However, it is |
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unable to provide complete protection from dust |
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and moisture. |
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ENG-1
Safety Precautions
Handling Cautions |
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Safety Precautions |
●● If the lens is taken from a cold environment into a |
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●● Do not look at the sun or a bright light source |
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warm one, condensation may develop on the lens |
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through the lens or camera. Doing so could result in |
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surface and internal parts. To prevent condensation |
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loss of vision. Looking at the sun directly through the |
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in this case, first put the lens into an airtight plastic bag |
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lens is especially hazardous. |
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before taking it from a cold to warm environment. Then |
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●● Whether it is attached to the camera or not, do not |
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take out the lens after it has warmed gradually. Do the |
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leave the lens under the sun without the lens cap |
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same when taking the lens from a warm environment |
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attached. This is to prevent the lens from concentrating |
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into a cold one. |
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the sun’s rays, which could cause a fire. |
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●● Do not leave the lens in excessive heat such as in a car |
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●● The EF11-24mm f/4L USM features a large diameter |
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in direct sunlight. High temperatures can cause the |
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front lens element. Please be careful because this |
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lens to malfunction. |
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large front section will extend past the bottom of some |
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cameras. |
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Usage Precautions |
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Conventions used in this instruction |
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●● When using this lens, please check the Canon website |
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for the latest camera firmware. If the camera’s firmware |
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Warning to prevent lens or camera malfunction |
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is not the latest version, be sure to update to the latest |
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firmware. |
COPYor damage. |
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●● For details on updating firmware, please check the |
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Supplementary notes on using the lens and |
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Canon website. |
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taking pictures. |
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ENG-2
Precautions for Shooting
●●If dirt or dust adheres to the surface of the front lens element, it can easily appear in images due to the lens’s short focal length. In order to avoid this, please remove dirt or dust from the surface of the front lens element by using a commercially available air dust blower.
●●Since this lens has a wide angle of view, light from bright light sources, such as the sun, can easily enter the image area. Please do not look at bright light sources using the camera’s viewfinder.
●●Similarly, flare and ghost will occur when bright light sources appear in the image area, depending on shooting conditions. In order to prevent flare and ghost, we suggest shooting places such as shaded are as so that bright light does not enter the lens.
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