Think Tank EP-20 Eyepiece fits any Hydrophobia Rain Cover. It provides maximum protection for a Canon or Olympus Camera body, even in extreme conditions. It's water-tight with an improved fit and easily clicks into place so you know it's sealed and ready for action. The EP-20 fits the Canon 5D Mark III, 5D Mark IV, 1D Mark III, 1D Mark IV, 1DX, 7D, 7D Mark II, Olympus E3 and E30.
Canon 5D MarkIII, 5D MarkIV, 1D MarkIII, 1D MarkIV, 1DX, 7D, 7D MarkII
Olympus E3 and E30