EP-NSI is required to use any Hydrophobia rain covers with flagship Nikon DSLR cameras that have screw in eyepieces such as the D4, D3S, D3X, D800, D810, D700 and others.

Compatible with:

Nikon D4

Nikon D3X

Nikon D3s

Nikon D3

Nikon D800

Nikon D810

Nikon D700

Nikon D2Xs

Nikon D2X

Hydrophobia 300-600 V2.0

Hydrophobia 70-200

Hydrophobia Flash 70-200 

TECHNICAL SPECIFICATIONS

CNC machined Delrin eyepiece with high density foam padding.

No Rhetoric Warranty on all Think Tank products