flash


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Nov 15, 2004
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#1
hi guys. i'm changing to a new flash unit. I realise din realli use my flash unit to its maximum. I always use ITTL. like to know if any1 can explain d concept behind manual usage of flash. how to do slow flash sync, rear curtain syn. is fill in flash auto? coz realise when i shoot portrait, sometime it flash, sometime it din. thanks alot
 

ortega

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Staff member
Nov 2, 2004
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#2
RTFM? :dunno:

Slow sync flash is flash with a slow shutter speed to expose for the ambient light. (normally used with rear curtain sync)

Rear curtain sync : the flash fires at the end of the exposure instead of the start.
 

TMC

Senior Member
Sep 4, 2004
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Beyond Space-Time Continuum
#3
the other modes gives you more room to play around with in flash photography. like with rear sync flash, you can take a pic of a person moving with a light trail behind him.
 

user111

Senior Member
Jul 27, 2004
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#4
maunal flash must use the age-old equation :

aperture(numerical value) x distance = guide number

guide numebr is a number assigned to the flash as a measure of its maximum power output
 

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