Think Tank Hydrophobia eyepiece Sony Alpha 1 & A7S lll & Alpha 7 lV (EP-SP)

Think Tank Hydrophobia Eyepiece EP-SP – Waterproof eyepiece for Sony Alpha 1, A7S III & A7 IV

This waterproof eyepiece is required for use with Think Tank Photo Hydrophobia rain covers. Install the EP-SP when you use Hydrophobia covers on compatible Sony camera bodies to maintain a sealed eyepiece interface.

Key compatibility

The Hydrophobia eyepiece line includes several model-specific options. Each version fits specific camera models or eyecups. Below are the variants and the cameras they fit:

• EP-15 – Fits Canon 6D MII, 80D, 70D, 5D MII and Canon Eyecup Eb
• EP-20 – Fits Canon 5Ds, 5D MkIV, 5D MkIII, 1DX, 1DX MkII, 1DxMkIII, 7D, 7D MkII, Olympus E3 & E30, and Canon Eyecup Eg
• EP-F – Fits Fujifilm X-H1, X-T1, X-T2, X-T3, X-T4, GFX-50s, GFX-50sII, GFX-100, GFX-100s
• EP-N – Fits most Nikon DSLR cameras including D750, D610, D300s, D5300, D5500, D3300
• EP-NZ – Fits Nikon Z6 and Z7 mirrorless cameras
• EP-NZP – Fits Nikon Z9 mirrorless cameras
• EP-NSI – Fits Nikon screw-in eyepieces for D5, D4, D4S, D850, D810, D800E, D800, D700, D500
• EP-S – Fits Sony a7, A7ii, A7iii, A7Riii, A7Riv, A9, A9ii series camera bodies and the a77
• EP-SP – Fits Sony Alpha 1, a7siii, and a7iv

Materials and construction

The Hydrophobia eyepiece is made from durable, machined materials. Specifically, it features a CNC machined Delrin eyepiece body combined with high density foam padding for user comfort and a reliable seal.

Specifications

FAQ

Question: Is the EP-SP compatible with my Sony camera?
Answer: The EP-SP fits Sony Alpha 1, a7siii, and a7iv. Check the listed compatible models to confirm fit for your camera.

Question: Do I need this eyepiece when using a Hydrophobia rain cover?
Answer: Yes. A waterproof eyepiece is required for use with Think Tank Photo Hydrophobia rain covers to ensure the eyepiece area remains sealed.

Question: What is the eyepiece made of and how is it padded?
Answer: The Hydrophobia eyepiece is CNC machined from Delrin and includes high density foam padding for comfort and to help maintain a secure seal.

This product description lists the EP-SP compatibility, the full Hydrophobia eyepiece variants and their camera fits, and the materials used in construction. Use this information to confirm that EP-SP meets your needs when pairing with Think Tank Photo Hydrophobia rain covers.