Nikon’s Latest Digital EDG Fieldscope Series

Nikon introduces the new EDG (pronounced "edge") Fieldscope series. The two straight models 65 and 68, and the two angled models 65-A and 85-A, are all waterproofed with O-ring seals and nitrogen gas, allowing the Fieldscopes to be used in adverse weather conditions. Seven different eyepieces are also available, and the newly developed zoom eyepiece offers superb optical performance with minimized distortion and long eye relief. Numerous Coolpix compact digital cameras can be attached to EDG eyepieces...{Source}