The EP-R3 Hydrophobia Eyepiece for Canon R3 from Think Tank Photo is a required watertight accessory for your Hydrophobia rain cover. It allows you to see through the camera's eyepiece once the rain cover is installed. The EP-R3 eyepiece is CNC machined out of Delrin acetal resin and features high-density foam padding.

Required for Hydrophobia Rain Cover    Watertight

Canon R3

300-600 V2.0, 70-200 and Flash 70-200 rain covers

Related Questions and Answers

Q: 1. Does this work with the Sony A7S ii?

A: Yes, this will work with the Sony a7S II.

Q: 2. Hi, I have a Think Tank Hidrophobia 300-600 (original version) that I've used with a 40D body so far but now I've upgraded to a 7D. I'd like to know if this eyepiece will fit the Hidrophobia, since I own the first version of it, not the 2.0 one. Thank you

A: The new Eyepiece 20 will fit any Think Tank Hydrophobia rain cover. So, the EP-20 can be used with the first version of the Hydrophobia 300-600 rain cover.

Q: 3. Is this eyepiece compatible with the Canon R5?

A: The Think Tank Photo EP-R3 Hydrophobia Eyepiece for Canon R3 is not compatible with the Canon R5.

Q: 4. Does this fit the Olympus OMD5 M2?

A: I have Canon cameras.

Q: 5. Does this eyepiece fit Canon R, R5 or R6?

A: Unfortunately Think Tank does not make one that is compatible with the R series cameras at this time.

Q: 6. Is the ep-n compatible with a Nikon Z-7?

A: The Think Tank Photo EP-N Hydrophobia Eyepiece does not work with the Nikon Z7. For that camera you need this Think Tank Photo EP-NZ Hydrophobia Eyepiece for Nikon Z Series Camera. https://www.bhphotovideo.com/c/product/1495423-REG

Q: 7. Will this fit A74?

A: From testing it, unfortunately not. The A7IV's eyecup is slightly larger than the earlier A7/A9 model eyecups and the A7IV doesn't accommodate the same third-party accessories.

Q: 8. Is this eyepiece compatible with the Canon R5 Mk ii?

A: Unfortunately, the Think Tank Photo EP-R3 Hydrophobia Eyepiece for Canon R3 is not compatible with the Canon R5 Mark II.

Q: 9. Will this fit with Sony Alpha 1?

A: This will not work on the Sony A1. The viewfinder on the A1 is different from the older Sony cameras.

Q: 10. Is this compatible with the Canon R5 Mk ii?

A: Unfortunately, the Think Tank Photo EP-R3 Hydrophobia Eyepiece for Canon R3 is not compatible with the Canon R5 Mark II.