General guidelines for using the
SB-28D/SB-28DX Speedlight with
your DCS 600 Series camera:
Use the Sub-Command dial, not
the lens aperture ring, to set
aperture.
Using the Sub-Command dial
assures that the Speedlight
receives the lens aperture setting.
Set Flash mode toAutoAperture.
2
TTL auto flash is NOT
recommended.
The automatic exposure control
range of the SB-28DX Speedlight
is partially determined by the
selected ISO speed on the
camera. Closer subjects may
require lower ISO settings. The
following table specifies the
widest aperture recommended
for each camera’s minimum ISO:
Minimum Maximum
ISO Aperture
DCS 620X 400 f4
DCS 620 200 f2.8
DCS 660 80 f2.8
For the lens focal length and
aperture in use, make sure your
subject is within the distance
indicated on the Speedlight’s LCD
panel.
13
SELMODEZOOM
ISO
ZOOM mm
m
181396431.510.6 0.8 2
FLASH
ON / OFF
A
STBY
4
