87
Flash exposure control
Indicator Available flash mode Usable camera
D i-TTL mode Cameras compatible with CLS
D D-TTL mode Digital SLRs not compatible with CLS
D TTL (film based) mode Cameras in Groups I to VI (film based cameras)
o (appears Balanced Fill-Flash Cameras compatible with CLS, digital SLRs not compatible
with D) with CLS, cameras in Groups I to IV (No o appears with
cameras in Groups III to IV)
G Manual flash No limitation
Other available functions Test firing, Monitor Preflashes and AF-assist illuminator
Reference information
Specifications
Electronic
construction
Guide number
(at 35 mm zoom-head
position, 20°C/68°F)
Flash shooting
distance range (in TTL
auto flash mode)
Automatic Insulated Gate Bipolar Transistor (IGBT)
and series circuitry
30/98 (ISO 100, m/ft), 42/138 (ISO 200, m/ft)
0.6m to 20m (2 to 66 ft.) (varies depending on the
ISO sensitivity, zoom-head position and lens
aperture in use)
A variety of flash operations are available with compatible
cameras: i-TTL mode, Advanced Wireless Lighting, FV Lock
flash, Flash color information communication, Auto FP High-
Speed sync, and Wide-area AF-Assist Illuminator
Slow-sync, Red-eye reduction, Red-eye reduction in
slow-sync, Rear-curtain sync flash, Auto FP High-Speed
sync, FV Lock flash
Variable in six steps, plus one step with wide-flash adapter
*With the built-in wide-flash adapter set
Creative
Lighting
System
Multiple flash
operation
Flash exposure
control set on
the camera
Angle of
coverage
Available multiple flash Usable camera
Advanced Wireless Lighting Cameras compatible with CLS
Multiple flash shooting using cords No limitation
Zoom-head Angle of coverage
position Vertical Horizontal
14 mm* 14 mm 110° 120°
24 mm 24 mm 60° 78°
28 mm 28 mm 53° 70°
35 mm 35 mm 45° 60°
50 mm 50 mm 34° 46°
70 mm 70 mm 26° 36°
85 mm 85 mm 23° 31°
