EP-N eyepiece is required to use any Hydrophobia rain cover with Nikon DSLR cameras that have slide-on eyepieces. Use the EP-NSI
if you have a Nikon camera with a round screw-in eye piece, such as the D3, D4S, D700, etc.
Compatible with the following camera bodies, and more:
Nikon D600, D610
Nikon D7000, D7100
Nikon D300, D300S
Nikon D5000 series
Nikon D3000 series
Hydrophobia 300-600 V2.0
Hydrophobia Flash 70-200
CNC machined Delrin eyepiece with high density foam padding.
No Rhetoric Warranty on all Think Tank products