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How to Check the Serial Number On Your Camera Gear
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Canon 70-200 f/2.8 IS II Serial Number and advices: Canon SLR Lens Talk Forum: Digital Photography Review
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Where to find your serial number - Canon UK - Canon Central and North Africa
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canon 24-105 is usm: Canon SLR Lens Talk Forum: Digital Photography Review
Canon lens date codes and EF lens chronology
Canon Knowledge Base - How to locate the serial number on the lens
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What does the serial number mean on your Canon lens?
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