Think Tank EP-20 (Hydrophobia eyepiece Canon 7D/5D Mark III/1D Mark III)

Think Tank EP-20 Hydrophobia Eyepiece – Waterproof eyepiece for Canon 7D / 5D Mark III / 1D Mark III

This waterproof eyepiece is required for use with Think Tank Photo Hydrophobia rain covers. It provides a waterproof interface between your camera’s viewfinder and the Hydrophobia cover, enabling you to use the rain cover while still accessing the eyepiece area.

Compatibility and model options

Think Tank supplies a range of Hydrophobia eyepieces (EP) to fit many camera models. Each EP model fits specific camera bodies. The EP-20 fits the Canon bodies listed below, while other EP models cover additional Canon, Nikon, Sony, Fuji and Olympus cameras.

• EP-10 – Fits Canon 1Ds MII, 1D MII, 50D, 60D, 60Da, 70D, and Rebel Series.
• EP-15 – Fits Canon 6D, 5D, 5D MII, and Rebel T3/1100D.
• EP-20 – Fits Canon 5D Mark III, 5D Mark IV, 1D Mark III, 1D Mark IV, 1DX, 7D, 7D Mark II, Olympus E3 and E30.
• EP-F – For most Fuji cameras such as the X-H1, X-T3, X-T2, X-T1, and GFX-50s.
• EP-N – For most Nikon DSLR cameras such as the D600, D300s, D750, D610, D7100, D5300.
• EP-NSI – For Nikon screw-in eyepiece mounts. Fits models such as the D5, D4, D4S, D3S, D3X, D3, D810, D800E, D800, D700, D500 and others.
• EP-NZ – Fits Nikon Z6 and Z7 mirrorless cameras.
• EP-S – Fits Sony a7, A7ii, A7iii, A7Riii, A7Riv, A9, A9ii series camera bodies and the A77.

Materials and construction

The eyepieces use durable materials designed for repeated field use. Think Tank specifies the construction details below.

Using the EP-20 with Hydrophobia rain covers

Fit the EP-20 to the camera eyepiece when you plan to use a Hydrophobia rain cover. The EP-20 is listed specifically for a set of Canon and Olympus bodies, so choose this model when your camera appears in the EP-20 compatibility list. For other camera brands or models, select the corresponding EP version listed above.

FAQ

Question: Is the EP-20 required to use Think Tank Hydrophobia rain covers?
Answer: Yes. Think Tank states that a waterproof eyepiece is required for use with Hydrophobia rain covers. The EP-20 is the matching eyepiece for the camera models listed under EP-20.

Question: Which cameras specifically fit the EP-20?
Answer: The EP-20 fits Canon 5D Mark III, 5D Mark IV, 1D Mark III, 1D Mark IV, 1DX, 7D, 7D Mark II, and Olympus E3 and E30.

Question: What materials are used in Hydrophobia eyepieces?
Answer: Think Tank builds the eyepieces from CNC machined Delrin and uses high density foam padding for the eyepiece contact areas.

Question: I have a different camera—how do I choose the right Hydrophobia eyepiece?
Answer: Check the compatibility list above for each EP model. If your camera appears under a specific EP model (for example EP-N for many Nikon DSLRs or EP-S for many Sony bodies), select that eyepiece to match your camera’s eyepiece configuration.