The Nikon EM was introduced in 1979. It is a beginner's level, F-mount, 35mm film SLR. It features the same compact and light design as the Nikon FM but has an electronic shutter release.
This camera is in exceptional condition. Its metal exterior is well polished and faux leather back looks and feels fantastic. It’s exceptionally strong, reliable, and precise, and offers meter-assisted manual shooting that more established shooters will love. Yet with the flick of a dial, thanks to its aperture priority mode, it offers enough automation to allow new shooters to learn on a machine that’s truly remarkable.
For more technical information : https://www.cameramanuals.org/nikon_pdf/nikon_em.pdf