Nikon 4543 Instruction Manual - Page 69
Guide number at ASA/ISO
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SPECIFICATIONS (The SB -16 main flash unit has the following specification s when combined with the Flash Unit Coupler AS-8 or AS -9) Electronic construction Automatic silicon· controlled rectifier and series circu itry Guide number at ASA/ISO At full output: 32 (52) with the 100 and meters (or at zoom head set at N ; 19 (33) ASAIISO 25 and feet) with the zoom head set at WI and Wide· Flash Adapter SW-7 attached Angle of coverage 60° horizontal and 45° vertical with the zoom head set at N ; 78° horizontal and 60° vertical with the zoom head set at WI and Wide· Flash Adapter attached Flash heads Two flash heads provided ; main head tilts back 90° with click · stops at the 30°, 45°, 60°, 75° and 90° positions and also rotates through an arc of 270°, 90° clockwise with click stops at 30°, 60° and 90° positions, and 180° counterclockwise with click·stops at 30°, 60°, 90°, 120°, 150° and 180° positions; the smaller secondary head faces straight ahead to provide a catch- light for the eyes Zooming capability Possible with four settings (T, S, N and WI for 85mm , 50mm, 35mm and 28mm lens Batteries Four 1.5V AA·type alkaline· manganese penlight batteries or four 1.2V AA-type NiCd batteries recommended Number of flashes and recycling time (on manual at 25°C) Battery type Number of flashes' Recycling time ' Alkaline·manganese approx. 100 times approx. 11 sec . minimum NiCd " approx. 40 times approx. 8 sec. minimum 'At full output ; of course, more flashes and shorter recycling times are possible in the TIL, non·TIL automatic, or MD mode .. This data depends on brand of battery and amount of recharging TTL auto exposure Through-the-Iens automatic ex- posure control when the S8-16A is combined with the Nikon F3-series camera or when the S8-168 is combined with the Nikon FA, FE2, F-501/N2020, F-301/N2000, FG or Nikonos-V; film speeds from ASAJISO 25 to 400 with the FA, FE2, FG or Nikonos-V, or ASA/ISO 25 to 1000 with F-501/N2020 or F-3011 N2000; usable aperture range from f/2 to 1122 Non-TTL auto exposure Automatic exposure control via the front·mounted light sensor ; two working apertures depend· ing on film speed (118 and 114 at ASAIISO 100) are usable and identified as A1 and A2 69
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