Cactus V5 Uživatelský manuál stáhnout pdf (Strana 17)

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HSS Sympathy Mode

The HSS Sympathy mode of the RF60 is





maximum sync speed.



with an extended duration in order

to produce even frame illumination

at shutter speeds as high as 1/8000

second.



supported in power levels higher

than 1/4, any Slave RF60 set at

power levels higher than 1/4 will



3. Multi mode and HSS Sympathy mode

(se e Section 11.2) are mutually

exclusive options. Pressing the

Multi/HSS button changes the



sequence:

Normal Flash Multi Flash

H S S S y m p a t h y F la s h

4. On the RF60 Master, the Multi





The selection will apply to the

RF60 Master and all RF60 Slaves

in the active group(s).

11.2

Characteristics of HSS Sympathy Flash

Compared with normal single-burst



continuous and constant illumination

for the full duration between the



curtain closing. The contribution of



the image is therefore different to





Sympathy mode is different from



compensate 1 EV exposure loss in

your camera setting, you need to

increase the power level of a HSS



GN table below for comparison:

Power Level

GN (meter) at 105mm, ISO 100

Normal Flash HSS Sympathy

1/1 56 28

1/2 40 23

1/4 28 20

1/8 20 17

1/16 14 14

1/32 10 12

1/64 7 10

1/128 5 8

Tip:



especially in sunlight. The faster



allows you to use a wider aperture



while maintaining correct

exposure.

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