The Eyepiece 20 fits any Hydrophobia rain cover. It provides maximum protection for a Canon 5D MarkIII, 1D MarkIII, 1D MarkIV, 1DX, 7D, 7D MarkII, Olympus E3 and E30, even in the harshest conditions. It's water-tight with and improved fit. This eyepiece "clicks" into place so you know it's sealed, secure and ready for action.
External Dimensions: 30mm x 30mm x 30mm
Dimensions: 3cm x 3cm x 3cm