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Amazon.com : Opteka 6.5mm f/3.5 HD Aspherical Wide Angle Fisheye Lens with Optical Cleaning Kit for Canon EOS 80D, 77D, 70D, 60D, 60Da, 50D, 7D, T7i, T7s, T7, T6s, T6i, T6, T5i,
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Amazon.com : Opteka 6.5mm f/2 HD MC Manual Focus Wide Angle Circular Fisheye Lens for Sony E-Mount A6600, A6500, A6400, A6300, A6100, A6000, A5100, A5000, A3000 and NEX Mirrorless Digital Cameras :
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