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Taking Photographs—Flash Photography
SB-80DX, SB-28DX, SB-50DX: D-TTL Flash Control
The type of fl ash control used with the SB-80DX, SB-28DX, and SB-50DX
depends on the lens attached:
DescriptionLens
3D Multi-Sensor Balanced Fill-Flash for Digital SLR: Speedlight emits series
of near ly in vis i ble prefl ashes (mon i tor pre fl ash es) immediately before main
fl ash. Pre fl ash es re fl ect ed from objects in all areas of frame are picked up
by fi ve-segment TTL fl ash control sensor and an a lyzed in combination with
range information from lens to adjust fl ash output for natural balance be-
tween main subject and ambient background lighting. Not avail able when
spot me ter ing is used.
Type
G or D
lens
Multi-Sensor Balanced Fill-Flash for Digital SLR: As above, except that
range information is not included in reg u lat ing fl ash output. Precision of
calculation can be increased for non-CPU lenses by providing lens data (fo-
cal length and maximum aperture; 128–131). Not available when spot
me ter ing is used.
Other
lenses
Standard TTL Flash for Digital SLR: Flash output adjusted to bring lighting in
frame to standard level; brightness of back ground is not taken into ac count.
Rec om mend ed for shots in which main subject is em pha sized at ex pense
of back ground details, or when exposure com pen sa tion is used. Standard
TTL fl ash for digital SLR is activated automatically when spot me ter ing is
selected.
All
types