GAF 505 XLM Macro Super 8 Movie Camera Type Super 8 sound movie camera Lens GAF Reflex Macro Zoom lens, f/1.2, 8 to 40 mm - minimum focusing distance in macro mode: 2 inches from front element of lens Films accommodated 50-foot Super 8 sound or silent film cartridges Exposure CdS electric eye automatic exposure control with +/- 1 stop manual adjustment ASA film speed range Daylight ASA 25, 100, (160 with Type G film), tungsten light ASA 40, 160 Backlight exposure compensation Pushbutton provides plus one stop exposure Filming speed 18 frames-per-second