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Amazon.com : Canon EF 400mm f/5.6L USM Super Telephoto Lens for Canon SLR Cameras : Camera Lenses : Electronics
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Amazon.com : Canon EF 400mm f/2.8L is USM Super Telephoto Lens for Canon SLR Cameras : Camera Lenses : Electronics
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Amazon.com : Canon EF 400mm f/5.6L USM Super Telephoto Lens for Canon SLR Cameras : Camera Lenses : Electronics
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