Hydrophobia eyepiece (EP) for Canon 1D Mark IV, Canon 1D Mark III, and 1Ds Mark III Compatible with: EOS 1D Mk IV EOS 1Ds Mk III EOS 1D Mk III Olympus E3 Olympus E30 Hydrophobia 300-600 V2.0 Hydrophobia 70-200 Hydrophobia Flash 70-200 Technical Specifications: No Rhetoric Warranty Policy custom computer numerically controlled (CNC) machined, high-density foam padding. Equipment depicted in the images is for display purposes only and is not included with the eyepiece!