| • Fill flash 
 • Contrast control ratio lighting
 
 • Multiple burst stroboscopic effect for previewing flash effects
 
 • 2 Frames per second in motor drive mode at 1/16th power with fully charged Nicads for up to 20 flashes
 
 • Auto power shut off after 3 minutes
 
   Type Shoe mount 
 Guide No. 138' (42 m) at 50mm
 164' (50.0 m) at 85mm
 
 Angle of Coverage 78° (28mm in 35mm format)
 
 Auto f/Stops None (full TTL at all apertures)
 
 Vari-Power 1/2, 1/4th, 1/8th, 1/16th & 1/32nd
 
 TTL Dedication Yes
 
 Bounce Head Yes
 
 Swivel Head Yes
 
 Zoom Head 24-85mm (flash senses focal length & adjusts)
 
 Off Camera Terminal TTL Terminal
 
 Recycle Time 9 Seconds (based on fresh batteries & full power)
 
 Power Source Four 1.5-Volt "AA" alkaline, lithium, NiMh or NiCd batteries
 
 Dimensions 3.0 x 4.9 x 4.8" (76 x 124 x 122mm) WxHxD
 
 Weight 0.85 lb (386 g)
   |