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Amazon.com : Opteka 500mm/1000mm f/8 Manual Telephoto Lens for Canon EOS EF-Mount 90D, 80D, 77D, 70D, 60D, 60Da, 1Ds, Mark III II 7D, 6D, 5D, 5DS, Rebel T8i, T7i, T7s, T7, T6s,
Apple Patents Reveal a Camera with Folded Optics that Apple states could apply to a Telephoto Lens and more - Patently Apple
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