doubts about using a bounce card


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Jul 25, 2007
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sidewaysphotographique.com
#1
hi all,

let's say i'm using a bounce card, tilted my flash up to face the ceiling and set the flash to auto mode.

how do i play around with the amount of flash going to my subject?

i welcome any kinda advice and suggestion which pertain to using a bounce card.

thanks in advance
 

Headshotzx

Senior Member
Dec 14, 2007
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#2
hi all,

let's say i'm using a bounce card, tilted my flash up to face the ceiling and set the flash to auto mode.

how do i play around with the amount of flash going to my subject?

i welcome any kinda advice and suggestion which pertain to using a bounce card.

thanks in advance
Adjust flash exposure correction (FEC), the +1/3, +2/3, +1 EV things.
 

hammie

New Member
Jun 29, 2004
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Tiong Bahru
#3
The ETTL will control the flash exposure. You den adjust the FEC. - to decrease the power + to increase
 

catchlights

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Staff member
Sep 27, 2004
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Punggol, Singapore
www.foto-u.com
#5
when you using bounce flash, the effective working range of the flash with cut shorter..

however, if you using TTL, the camera will tell the flash to output more flash light to get the correct exposure.

if your subject together with the b/g have too much white or black, it may fool the camera meter, so the flash compensation became handy, provided you are still stay within the flash effective work range.

hope this help
 

Jul 25, 2007
244
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0
sidewaysphotographique.com
#6
hi all,

thanks for all the advices.

one more question here.
when the flash is facing the ceiling, does the flash determine the output power based on the distance between the flash and the subject, or the distance between the flash and the ceiling?
 

ST1100

Senior Member
Jun 18, 2003
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Singapore, Bedok
#7
hi all,

thanks for all the advices.

one more question here.
when the flash is facing the ceiling, does the flash determine the output power based on the distance between the flash and the subject, or the distance between the flash and the ceiling?
Subject.
 

megaweb

Moderator
Staff member
Jan 17, 2002
8,541
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megaweb.clubsnap.org
#8
hi all,

thanks for all the advices.

one more question here.
when the flash is facing the ceiling, does the flash determine the output power based on the distance between the flash and the subject, or the distance between the flash and the ceiling?
e.g.
camera + flash <---- 5m ----> subject

flash head direct
flash output to the subject directly, thus distance is 5m.

flash head bounce
flash output to the ceiling and then bounce to the subject, thus distance is longer. flash need to be brighter to reach the subject.
 

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