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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/5.6L USM Super Telephoto Lens for Canon SLR Cameras : Camera Lenses : Electronics
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Canon EOS R5 with Canon 400mm EF F5.6 USM L lens for birds- field test, Ibis, autofocus, handholding - YouTube
![Amazon.com : Canon EF 400mm f/5.6L USM Super Telephoto Lens for Canon SLR Cameras : Camera Lenses : Electronics Amazon.com : Canon EF 400mm f/5.6L USM Super Telephoto Lens for Canon SLR Cameras : Camera Lenses : Electronics](https://m.media-amazon.com/images/I/716ADzweOnL._AC_UF894,1000_QL80_.jpg)