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.
Camera Compatibility
Canon R3
Hydrophobia Compatibility
300-600 V2.0, 70-200 and Flash 70-200 rain covers
UPC: 874530006630