Sun angles, setting the north pointer, latitude / longitude, point and spots lights, added lights (non-fixture lights), area lights and using light sets
Ray Trace
1970 - Ray Tracing Overview
1977 - Interior Ray Tracing
1978 - Exterior Ray Tracing
1971 - Materials for Rendering
1979 - Backdrops for Rendering
1972 - Lighting for Rendering
1974 - Ray Tracing in X16 and prior - CPU Lighting
1975 - Ray Tracing in X16 and prior - CPU Camera Settings
