off camera flash question

hiri · 27th of May 2010 (Thu)

Dear All,
I like to practice to make a shot like this/attached :

(picture taken from www.axioo.com )

i have the radio transmitter (no TTL) and 430ex flash

my questions:
1.how i set up my camera 50D

2.and how i set up my flash 430 ex

3. is adiffuser/ umbrella is a must??

thx
hiri

bobbyz · 27th of May 2010 (Thu)

Hiri, I am no expert but here is what I will do:

1. Set you camera in manual exposure mode to get the back ground the way you like.

2. Then use your flash off camera for the subjects. You can use bare flash, or with umbrella/softbox. You can increase/decrease flash power to get proper subject exposure.

CosmoKid · 27th of May 2010 (Thu)

yeah, just remember your setting 2 exposures.

1- ambient - use the camera meter to determine the background exposure
2- subject - flash will determine this exposure

ootsk · 27th of May 2010 (Thu)

Quote:

Originally Posted by bobbyz

Hiri, I am no expert but here is what I will do:

1. Set you camera in manual exposure mode to get the back ground the way you like.

2. Then use your flash off camera for the subjects. You can use bare flash, or with umbrella/softbox. You can increase/decrease flash power to get proper subject exposure.

Bingo...great advice.

dmward · 27th of May 2010 (Thu)

The image was shot just before sunset facing southwest on the Michigan Ave Bridge over the Chicago River. It looks like the ambient exposure was just about on and then the flash was used to light the subjects. Maybe +1/3 or +2/3 FEC if in TTL.

If manual flash then it is probably 1/4 to 1/8 power and relatively close to the subjects.

Since there is no flash over exposure on the bridge railing, I suspect that the flash was off camera and snooted.

Hard shadow under her arm implies direct flash without umbrella or other modifier.

gonzogolf · 27th of May 2010 (Thu)

You should link to that photo rather than post if if it belongs to someone else. Forum rules.

The advice you are getting here is good. Use the camera in manual mode to expose the background as you wish, a couple stops less than normal for dramatic effect, then ajust flash power to illuminate the subject properly.

woods · 27th of May 2010 (Thu)

When you have time you may want to read this thread.

http://photography-on-the.net/forum/...d.php?t=653964

It is the best 'all in one' source I have found ... and the examples are incredible.

ootsk · 27th of May 2010 (Thu)

I guess the thing to remember, with off-camera flash that you are suggesting, is to not go above the synch speed of your camera.

27th of May 2010 (Thu)	#2
bobbyz Cream of the Crop Join Date: Nov 2007 Location: Bay Area, CA Posts: 14,156 IMAGE EDITING OK	Re: off camera flash question Hiri, I am no expert but here is what I will do: 1. Set you camera in manual exposure mode to get the back ground the way you like. 2. Then use your flash off camera for the subjects. You can use bare flash, or with umbrella/softbox. You can increase/decrease flash power to get proper subject exposure. __________________ Back to basics 5dc with 35L & Sigma 85mm f1.4

27th of May 2010 (Thu)	#3
CosmoKid Goldmember Join Date: May 2009 Location: NJ Posts: 4,218 IMAGE EDITING OK	Re: off camera flash question yeah, just remember your setting 2 exposures. 1- ambient - use the camera meter to determine the background exposure 2- subject - flash will determine this exposure __________________ Joe- 2 bodies, L 2.8 zoom trilogy and a couple of primes iRocktheShot.com - Portfolio Gear/Feedback Facebook "Fan" Page -

27th of May 2010 (Thu)	#5
dmward Goldmember Join Date: Jun 2009 Location: Metro Chicago Posts: 4,904	Re: off camera flash question The image was shot just before sunset facing southwest on the Michigan Ave Bridge over the Chicago River. It looks like the ambient exposure was just about on and then the flash was used to light the subjects. Maybe +1/3 or +2/3 FEC if in TTL. If manual flash then it is probably 1/4 to 1/8 power and relatively close to the subjects. Since there is no flash over exposure on the bridge railing, I suspect that the flash was off camera and snooted. Hard shadow under her arm implies direct flash without umbrella or other modifier. __________________ David \| digifotografi tutorials \| dmwfotos website \| testing & techniques blog Canon ETTL trigger sets for sale \| Canon 300mm F4 IS L for sale Last edited by dmward : 27th of May 2010 (Thu) at 11:10.

27th of May 2010 (Thu)	#6
gonzogolf Cream of the Crop Join Date: Dec 2006 Posts: 19,502	Re: off camera flash question You should link to that photo rather than post if if it belongs to someone else. Forum rules. The advice you are getting here is good. Use the camera in manual mode to expose the background as you wish, a couple stops less than normal for dramatic effect, then ajust flash power to illuminate the subject properly.

27th of May 2010 (Thu)	#7
woods Member Join Date: May 2009 Location: Alabama Posts: 294 IMAGE EDITING OK	Re: off camera flash question When you have time you may want to read this thread. http://photography-on-the.net/forum/...d.php?t=653964 It is the best 'all in one' source I have found ... and the examples are incredible. __________________ Shawn flickr

27th of May 2010 (Thu)	#8
ootsk Senior Member Join Date: Jan 2002 Posts: 1,151 IMAGE EDITING OK	Re: off camera flash question I guess the thing to remember, with off-camera flash that you are suggesting, is to not go above the synch speed of your camera.

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