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Focus On Lighting Photos Focus on the Fundamentals.pdf

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30<br />

can be to buy <strong>on</strong>e expensive<br />

trigger for <strong>the</strong> most distant<br />

light and a handful of cheap<br />

triggers for <strong>the</strong> lights closer to<br />

<strong>the</strong> camera.<br />

Disadvantage 2. These<br />

resp<strong>on</strong>d to any flash <strong>the</strong>y<br />

see. Any o<strong>the</strong>r photographer<br />

present may trigger<br />

our flash. Our flash may be<br />

in <strong>the</strong> middle of a recycle<br />

exactly when we need it most.<br />

Most photographers tend<br />

to cooperate in this situati<strong>on</strong><br />

and time <strong>the</strong>ir shooting<br />

to give <strong>the</strong> o<strong>the</strong>r guy a<br />

<str<strong>on</strong>g>Focus</str<strong>on</strong>g> <str<strong>on</strong>g>On</str<strong>on</strong>g> <str<strong>on</strong>g>Lighting</str<strong>on</strong>g> <str<strong>on</strong>g>Photos</str<strong>on</strong>g><br />

chance at <strong>the</strong> shot, but this<br />

compromise is not ideal for<br />

any<strong>on</strong>e and can result in<br />

complete disaster for every<strong>on</strong>e<br />

when competitors refuse to<br />

cooperate.<br />

Infrared trigger<br />

Technically, we could simply<br />

c<strong>on</strong>sider <strong>the</strong>se to be a special<br />

type of light-sensitive trigger,<br />

as infrared is simply ano<strong>the</strong>r<br />

frequency of light that happens<br />

to be invisible to humans. The<br />

similarity ends <strong>the</strong>re, though:<br />

most infrared triggers are highly<br />

intelligent. They allow both <strong>the</strong><br />

camera and <strong>the</strong> flash to measure<br />

<strong>the</strong> scene, think about what each<br />

sees from its viewpoint, and<br />

agree with each o<strong>the</strong>r about what<br />

<strong>the</strong> camera is going to do and<br />

what <strong>the</strong> light is going to do.<br />

These are expensive, but some<br />

of <strong>the</strong> cost is reduced by not<br />

having to buy a separate device.<br />

The system may be ideal for (1)<br />

absolute novice photographers<br />

who want as much automati<strong>on</strong><br />

as possible so <strong>the</strong>y d<strong>on</strong>’t<br />

have to spend a lot of study<br />

time and (2) highly experienced<br />

photographers who want <strong>the</strong><br />

system to take over a lot of <strong>the</strong><br />

The infrared trigger<br />

<strong>on</strong> this flash<br />

not <strong>on</strong>ly triggers<br />

<strong>the</strong> flash, but it<br />

can communicate<br />

intelligently<br />

with <strong>the</strong> camera<br />

for remote<br />

power<br />

adjustment.

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