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 screw-in eye piece, such as the D3 or D700.
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