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Specifications
Electronic
construction
Automatic Insulated Gate Bipolar Transistor (IGBT)
and series circuitry
Guide number (at 35mm
zoom-head position,
20°C/68°F)
38/125 (ISO 100, m/ft), 53/174 (ISO 200, m/ft)
Flash shooting distance
range (TTL auto flash/
Auto Aperture flash/
Non-TTL auto flash)
0.6m to 20m (2 to 66 ft.) (varies depending on the
ISO sensitivity, zoom-head position, and lens aperture
in use)
Flash exposure control
Indicator Available flash mode
D i-TTL mode Cameras compatible with CLS
No limitation
No limitation
No limitation
Digital SLRs not compatible with CLS
Cameras in Groups I to VI (film based cameras)
Cameras compatible with CLS, digital SLRs not compatible
with CLS, cameras in Groups I to IV (No o appears with
cameras in Groups III to IV)
Cameras compatible with CLS, digital SLRs not compatible with
CLS, cameras in Groups I to II
D D-TTL mode
D TTL (film based) mode
o (appears
with D)
Balanced Fill-Flash
B Auto Aperture flash
A Non-TTL auto flash
p Distance-priority
manual flash
q Repeating flash
No limitation
G Manual flash
Usable camera
Available multiple flash Usable camera
Advanced Wireless Lighting Cameras compatible with CLS
SU-4 type wireless multiple flash No limitation
Multiple flash shooting using cords No limitation
Other available functions Test firing, Monitor Preflashes, AF-assist
illuminator, and Modeling illuminator
A variety of flash operations are available with camera’s
compatible with CLS: i-TTL mode, Advanced Wireless
Lighting, FV Lock flash, Flash color information
communication, Auto FP High-Speed sync, and Wide-area
AF-Assist Illuminator
Creative
Lighting
System
Multiple flash
operation