Nikkormat EL, 1972-77. Non AI lens mount. (1-PX28) Full aperture TTL match-needle manual and aperture priority AE metering. AE lock (first SLR with this feature), center weighted metering pattern (60/40), needle meter display, hot shoe, PC sync terminal, shutter speed range 4 sec to 1/1000 plus B, flash sync at 1/125, self timer. ASA range 25-1600, DOF preview, shutter speed info visible in viewfinder, mechanical shutter speeds: B and 1/90. Nikon's first fully automatic SLR camera.