User Manual

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Stable Color Temperature Mode and High-Speed Flash (speed) Mode
Stable Color Temperature Mode or High-Speed Flash (speed) Mode can be chosen in the C.Fn-F1 setting. These
two modes are effective in M/Multi mode and ineffective in high-speed sync mode.
Stable Color Temperature Mode: color temperature ranges within ±200K, which is a good choice for the
photographers who pursues stable color temperature.
High-Speed Flash (speed) Mode: the max flash duration is up to t0.1=1/25640s, which is perfect for capturing the
fast-changing actions. As the color temperature is a little higher in this mode, please set the camera’s white balance
parameter to the proportional color temperature amount (see the chart below) or AWB (Auto White Balance).
SEKONIC C-700
t0.1(S) t0.1(S)
220V QT1200IIM Prototype Test
Test Environment Darkroom
Color Temperature
Test
Equipment
Testing Method
Trigger beyond 2 meters and average the amount of 3 tests.
Flash Duration
(t0.1)
IGBT control the time of turning on the flash
Stable Color Temperature Mode High-Speed Flash (speed) Mode
CCT(K)
Level
Parameter
Color
Temperature
Flash Duration
Level
CCT(K)
Parameter
Color
Temperature
Flash Duration
In this mode, you can set the flash output from 1/1 full power to 1/16th power in 0.3 stop increments.
High Speed Sync enables the flash to synchronize with all camera shutter speeds. This is convenient when you
want to use aperture priority for fill-flash portraits.
Turn the Select Dial to set the
2 flash output power.
Press the <MODE> Button
1 so that < > is displayed.
High-Speed Sync
Please use the transmitter of
3 X1 series.
MOD/OFF
mask
sec
to.1
speed
Multi
CH
S
%
1/128
1/128+0.3
1/128+0.7
1/64
1/64+0.3
1/64+0.7
1/32
1/32+0.3
1/32+0.7
1/16
1/16+0.3
1/16+0.7
1/8
1/8+0.3
1/8+0.7
1/4
1/4+0.3
1/4+0.7
1/2
1/2+0.3
1/2+0.7
1/1
5674
5652
5639
5666
5649
5697
5592
5604
5503
5455
5490
5561
5656
5631
5537
5550
5614
5699
5650
5579
5681
5540
1/128
1/128+0.3
1/128+0.7
1/64
1/64+0.3
1/64+0.7
1/32
1/32+0.3
1/32+0.7
1/16
1/16+0.3
1/16+0.7
1/8
1/8+0.3
1/8+0.7
1/4
1/4+0.3
1/4+0.7
1/2
1/2+0.3
1/2+0.7
1/1
8487
8193
7682
7548
7216
6894
6721
6552
6312
6194
6115
6059
6188
6171
6088
6057
6012
5961
5892
5800
5678
5574
● With high-speed sync, the faster the shutter speed, the shorter the effective flash range.
● Multi flash mode cannot be set in high-speed sync mode.
● With high-speed sync, the color temperature is lower (decrease around 700K) because of tube’s characteristics.
Please set the camera to AWB (Auto White Balance).
1/5554
1/5554
1/5554
1/5554
1/5554
1/5554
1/4866
1/4866
1/3992
1/3490
1/3490
1/3490
1/2898
1/2468
1/1904
1/1448
1/1388
1/1256
1/994
1/694
1/564
1/256
1/25640
1/22988
1/20832
1/18518
1/16666
1/14814
1/12820
1/11494
1/9802
1/8546
1/7574
1/6348
1/5332
1/4414
1/3602
1/2836
1/2298
1/1666
1/1256
1/912
1/554
1/256