1716
Chapter
1
Main Features/Functions
Repeating Flash SB-25 Feature Comparison: Flash Operations Available with Your Camera
When used with any Nikon SLR, the SB-25 is capable of
strobo-effect multiple flash exposure at up to 160 flash per
frame; it also allows control of the amount of flash light out-
put. Operation becomes simple once you learn how to
match the number and speed of flash to your desired shut-
ter speed.
For details, see “Repeating Flash Mode — For
Multiple Exposure,” pages 90 to 95.
Red-Eye Reduction Control
“Red eye” effect occurs in flash photography when flash
pictures are taken in dim surroundings where the subject’s
eye pupils will be dilated (opened very wide). Light from the
camera’s flash reflects off the interior of the eye through the
wide-open pupil and back into the camera’s lens; the result
in the photo appears as bright red eyes.
The SB-25 fires three consecutive flash prior to the main
flash. This causes the subject’s pupils to constrict (become
smaller), reducing the appearance of red-eye.
The F90-Series/N90 offers this exclusive Red-Eye
Reduction Control to control preflash, for use in any flash
mode, except Repeating Flash mode. For more details and
setting operation, see page 104, and the camera’s instruc-
tion manual.
Red-eye effect can also be controlled by the angle at
which light strikes the subject and is reflected back to the
camera’s lens. For further details, see “Red Eye,” page 134.
Repeating flash mode offers “strobo effect,” multiple exposure on a
single frame.
TTL Auto Flash 32 – 79
3D Multi-Sensor Balanced Fill-Flash
✗
1)
Multi-Sensor Balanced Fill-Flash ✗
1)
Matrix Balanced Fill-Flash ✗
2)
✗
2)
✗
2)
✗
3)
✗
3)
✗
4)
Center-Weighted Fill-Flash ✗
1)
✗
2)
✗
2)
✗
2)
✗
3)
✗
3)
✗
4)
Spot Fill-Flash ✗
1)
✗
2)
✗
3)
Programmed TTL Auto Flash ✗
5)
✗
5)
✗
6)
✗
6)
Standard TTL Flash ✗
1)
✗
2)
✗
2)
✗
2)
✗
3)
✗
3)
✗
5)
✗
5)
✗
6)
✗
6)
✗
7)
✗
7)
✗
7)
✗
7)
Non-TTL Auto Flash 80 – 83 ✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗
Manual Flash 84 – 89 ✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗
Repeating Flash (strobo effect) 90 – 95 ✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗
FP High-Speed Sync Flash 98 – 103 ✗
Red-Eye Reduction Control 104 ✗
Rear-Curtain Sync Flash 105 ✗✗✗✗✗✗
Flash Exposure Compensation 106 – 107 ✗✗✗✗✗✗
Open Flash Button (test firing) 110 ✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗
Built-in Wide Flash Adapter 111 ✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗
Zoom-Lock Capability 112 – 113 ✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗
AF Assist LED 114 – 115 ✗✗✗✗✗ ✗✗ ✗✗
Standby Position (power switch) 116 – 117 ✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗ ✗✗
Bounce Flash (built-in diffuser card) 119 – 123 ✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗
Close-up Photography (TTL Auto Flash) 124 – 125 ✗✗✗✗ ✗✗✗✗✗✗✗
Multiple Flash Photography 126 – 132 ✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗✗
F90-Series/N90
See pages
F4-Series
F-801/N8008
F-801s/N8008s
F-601/N6006
F-601
M
/N6000
F-401x/N5005
F-501/N2020
F-301/N2000
F-401/N4004
F-401s/N4004s
FA
FE2
FG
Nikonos V
F3-Series
F2-Series
FM2
FG-20
For details regarding your camera, see pages:
1) 33 to 39. 2) 40 to 47. 3) 48 to 56. 4) 57 to 63.
5) 64 to 69. 6) 70 to 75. 7) 76 to 79.
SB-25_En 03.1.14 8:18 PM Page 16
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