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Amazon.com : Hisewen 55MM 0.35x Professional Fisheye Wide Angle Lens Macro Portion for Sony SLT-A99V, A99II, A99, A77II and Nikon Camera : Electronics
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Amazon.com : Opteka .35x High Definition II Super Wide Angle Panoramic Macro Fisheye Lens for FOR NIKON 18-55mm D90 D60 D80 D40 D40X D7000 D3200 D700 D800 D90 With Bonus 67MM High
Amazon.com : Opteka 58MM 0.35x Fisheye Wide Angle Lens Compatible with Canon DSLR Cameras Including Macro Close Up Attachment : Camera Lenses : Electronics