how the Ricoh XR-S is recharged by old sol!" pp. 44, 49, 182. Modern Photography, Volume 46, Number 5; May 1982. The XR-7 and XR-S also had unusual viewfinder LCD showing meter pseudo-needle pointing along an analogue shutter speed scale to indicate light meter recommended settings, mimicking a traditional galvanometer needle.Herbert Keppler, "Keppler's slr notebook: Ricoh XR-7: a meter needle that isn't. It's a liquid crystal illusion." pp. 60–61. Modern Photography, Volume 45, Number 5; May 1981. 1982 Polaroid SLR 680 (USA): first high-quality SLR with built-in electronic flash. Also had active sonar echo-location AF system. Took ten exposure, 3⅛×3⅛ inch frame Polaroid 600 instant film packs. Was improved Polaroid SX-70 Sonar (see above) AF SLR with almost-all plastic (acrylonitrile butadiene styrene [ABS]) body, built-in flash and faster film.Andrews, "40 Years of Instant Success," p. 94Keppler, "It's the 25th anniversary of an instant classic!" pp. 17–18, 20 The SLR 680 represents the zenith of instant photography and was the finest instant camera ever made. For a time in the 1960s and 70s, Polaroid instant cameras outsold all other high-end cameras combined, but the popularity of instant photography waned throughout the 1980s as auto-everything 35 mm point-and-shoot cameras and fast one-hour film developing became common. Polaroid went bankrupt in 2001. 1983 Pentax Super A (Japan; called Super Program in USA): first SLR with external LCD data display. With push buttons for shutter speed selection instead of a shutter speed dial, the Super Program used an LCD to show set shutter speed."Modern Photography's Annual Guide '84: 48 Top Cameras: Pentax Super Program," p. 88. Modern Photography, Volume 47, Number 12; December 1983. As computerized SLR features multiplied, large external LCD panels became normal on virtually all 35 mm SLRs by the late 1980s. 1983 Nikon FA (Japan): first camera with multi-segmented (or matrix or evaluative; called Automatic Multi-Pattern) light meter. The FA had a built-in computer system programmed to analyze light levels in five different segments of the field of view for convenient exposure control in difficult lighting situations."Modern Photography's Annual Guide '84: 48 Top Cameras: Nikon FA," p. 84. Modern Photography, Volume 47, Number 12; December 1983. "Modern's Inside Your Camera Series #37: Nikon FA," pp. 50–51, 64, 90, 92, 98. Modern Photography, Volume 50, Number 6; June 1986. Goldberg, Camera Technology. pp. 57–58Stafford, Hillebrand & Hauschild, pp. 64–67, 159 After TTL SLR meters were introduced by the Topcon RE Super