Nikon EFM カメラアクセサリー

Nikon Microflex EFM adapter from the 1970s for mounting a camera on a microscope to photograph observed preparations, with a built-in shutter (speeds 32 s to 1/250 and B and T) and an exposure metering cell; supplied with two WF 10x wide-field eyepieces, an optical element, a collar-type connector, and a tube; the camera body is not included; untested and sold as is; mechanically everything appears in order.