Close-up flash photography in ttl mode – Nikon SB 20 User Manual
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CLOSE-UP FLASH PHOTOGRAPHY IN TTL MODE
When used with the Nikon F-501/N2020, F-401/N4004,
F-301/N2000, FA, FE2 or FG camera, the optionai TTL
Remote Cord SC-17 iets you perform fiash shooting
with a subject cioser than 0.6m.
1. Use the SC-17 to connect the SB-20 and camera.
(See SC-17 instruction manuai.)
2. Position the SB-20 and rotate the flash head so light
from the flash head covers the subject.
3. Regardless of the lens in use, set the zoom set ring
so “W” appears in the zoom indicator window.
4. To determine aperture, use the following equation:
A
f/stop£--------------------------------------
flash-to-subject distance
where A corresponds to the film in use according to
the table below:
If you are using ISO 100 film for example, and the
flash-to-subject distance is 0.5m, divide 4 by 0.5 to
get f/8. That means you can use an aperture of f/8 or
smaller. Use as small an aperture as possible.
5. Set the flash mode selector to TTL, turn on the SB-20
and take the shot.
With very light- or dark-toned subjects, make expo
sure compensation with the camera’s exposure com
pensation dial.
ISO film speed
25
32
40
50
64
80
100
125
160
200
250
320
400
500* 640*
800*
1000*
A
2
2.2
2.5
2,8
3.2
3.5
4
4.4
5
5.6
6.3
7.1
8
8.9
10.1
11
13
•For F-501/N2020 and F-301/N2000 only.
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