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Amazon.com : Canon EF 300mm f/2.8L IS USM Telephoto Lens for Canon SLR Cameras : Camera Lenses : Electronics
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Amazon.com : Canon EF 300mm f/2.8L IS USM Telephoto Lens for Canon SLR Cameras : Camera Lenses : Electronics
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Amazon.com : Canon EF 300mm f/2.8L IS USM II Super Telephoto Lens for Canon EOS SLR Cameras : Camera Lenses : Electronics
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