Nikon SB27 Instruction Manual - Page 59

Groups I thru VI

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Page 59 highlights

Groups I thru VI) In 3D Multi-Sensor Balanced Fill-Flash operation with cameras in Group I, press the "M" button to change the flash mode indicator from tØ to t in order to cancel Monitor Preflash*. This will avoid exposure errors when removing the SB-27 from the camera. (See page 63.) *See page 86 on Monitor Preflash. 4 Set the camera's aperture based on the following equation and table. GTUPQ ʾɹ DPFGGJDJFOU GMBTIUPTVCKFDUEJTUBODF N ISO film speed and coefficient ISO film speed 100 or lower 125-400 500 or higher Coefficient* 4 (14) 8 (26) 11 (36) *Numbers in parentheses ( ) represent coefficient for foot measurement. For example, with a subject located 0.5m (1.6 ft) away using ISO 100 film, this is how you would calculate the aperture: GTUPQ * An aperture of f/8 is suggested. We recommend using the smallest possible aperture ( f/11 or f/16). With a very light or dark-toned subject, you may not obtain a correct exposure due to the subject's reflection factor. Use exposure compensation to ensure correct exposure. (See pages 60, 69.) 5 Confirm that the ready-light is ON, then release the shutter to fire the flash. 

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59
Groups I thru VI)
5
Confirm that the ready-light is ON, then release the
shutter to fire the flash.
In 3D Multi-Sensor Balanced Fill-Flash operation with cameras in Group I,
press the "M" button to change the flash mode indicator from
tØ
to
t
in order to cancel Monitor Preflash*. This will avoid exposure errors
when removing the SB-27 from the camera. (See page 63.)
*See page 86 on Monitor Preflash.
f/stop ≧
4
＝ 8*
0.5
For example, with a subject located 0.5m (1.6 ft) away using ISO 100
film, this is how you would calculate the aperture:
* An aperture of f/8 is suggested. We recommend using the smallest
possible aperture ( f/11 or f/16).
With a very light or dark-toned subject, you may not obtain a
correct exposure due to the subject's reflection factor. Use
exposure compensation to ensure correct exposure.
(See pages 60, 69.)
f/stop
≧　
coefficient
flash-to-subject distance (m)
ISO film speed and coefficient
ISO film speed
100 or lower
125–400
500 or higher
Coefficient*
4 (14)
8 (26)
11 (36)
*Numbers in parentheses ( ) represent coefficient for foot measurement.
4
Set the camera’s aperture based on the following equation and table.