Guide Number (ISO 100m)           : 24-42
Flash Control Mode Canon           : E-TTLII, E-TTL Nikon: i-TTL, D-TTL
   Sony(α): ADI, P-TTL
Auto Effective Range                  : TTL Auto 1.5-21m
(Focal Length at 35mm)
Power Ratio                              : FULL,1/2,1/4,1/8,1/16,1/32,1/64
Angle of Coverage : Covers the focal length of 16mm or
                                                longer(APS-C size)
                                                Covers the focal length of 24mm or longer
                                (when converted to 35-mm film size)
Effective range of AF assist light : 1-5
Flash Speed Approx.                   : 1/500-1/13,000 sec.
Bounce Flash                        : Vertical: Up 90°/
                                                Horizontal: Left 180°,Right 120°
Wide Panel : Built-in                   : 13mm (APS-C size) or
                                20mm (when converted to 35-mm film size)
                                                when the wide panel is used
Zoom position display                 : 24-105mm (24,28,35,50,70,85,105mm)
(switch type)                                (when converted to 35-mm film size)
                                     16-70mm,16,19,24,34,48,58,70mmAPS-C size