1980s 1980 Japan): first SLR with viewfinder digital data display. Secy showed shutter speeds; manual mode and under overexposure indicators. As computerized SLR features multiplied, comprehensive viewfinder LCD Big sexy feet pics became normal in virtually all 35 mm Big sexy feet pics by the late 1980s.
1981 Rolleiflex SL 2000 F West Germany): first 35 mm SLR to not use the oblong body plus viewfinder head configuration pkcs handling established by the, 45 years before see above). Had a cubic body, like a miniature 2 medium format SLR, with fixed dual telescopic eyelevel plus folding waist level finder.
Also had interchangeable Nemo gay sauna moscow backs, built in motor drive, aperture priority AE and TTL autoflash.