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Thread started 05 Nov 2008 (Wednesday) 02:39
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Overexposed. Why?

 
Emington
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Nov 05, 2008 02:39 |  #1

Could someone help me as to why this image has over exposed so badly?

I used the settings of 1/250 sec, f/25, iso 100 with the flash at half power.

IMAGE NOT FOUND
HTTP response: 404 | MIME changed to 'text/html' | Byte size: ZERO

  
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Kerrits
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Nov 05, 2008 03:47 |  #2

I dont see an image?




  
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Emington
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Nov 05, 2008 03:50 |  #3

It seems to be working for me. But the links

http://emington.devian​tart.com/art/Overexpos​ed-102720435 (external link)


  
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JFusion
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Nov 05, 2008 11:05 |  #4

Too much flash? Turn it down a bit, back it up, smaller aperture...


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tonyr0584
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Nov 05, 2008 11:19 |  #5

What did you use to meter your light?


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poloman
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Nov 05, 2008 11:40 |  #6

Looks like on camera flash with no modifiers. Modifiers would help.
Yeah...how did you meter it.
Where you using Ettl?
Was your camera in Manual mode?
What mode was your flash in?
It also is a little too warm unless the girl on the left is wearing something other than a white top.


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Wazza
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Nov 05, 2008 12:15 |  #7

With those settings, it appears simply the flash is still running too powerful. Try taking it further back, or softening it through softbox or reflecting off an umbrella if you're not already doing so


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Coastwatch203
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Nov 05, 2008 12:26 |  #8

Emington wrote in post #6626758 (external link)
Could someone help me as to why this image has over exposed so badly?

I used the settings of 1/250 sec, f/25, iso 100 with the flash at half power.

IMAGE NOT FOUND
HTTP response: 404 | MIME changed to 'text/html' | Byte size: ZERO

Hey Emington - have a read of this thread.
regards, Mark
https://photography-on-the.net …php?p=6628927#p​ost6628927


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breathless
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Nov 05, 2008 14:16 |  #9

Emington wrote in post #6626758 (external link)
Could someone help me as to why this image has over exposed so badly?

I used the settings of 1/250 sec, f/25, iso 100 with the flash at half power.

I guess you mean f/2.5
Stop down the aperture. Problem solved.


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Coastwatch203
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Nov 05, 2008 14:22 |  #10

But hes at f25!!!


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breathless
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Nov 05, 2008 14:44 |  #11

Coastwatch203 wrote in post #6629749 (external link)
But hes at f25!!!

Do you know how powerful the flash needs to be to over expose an image shot at f/25, ISO100, and set at 1/2 power? The image is over exposed at least by 2 stops. Which means he would've needed to shoot this image with the same settings at f/45 1/3. At full power, he would need f/64 1/3. Do you know how much light that is?

OP- If, indeed, this image was shot at f/2.5, and over exposed, a setting of f/5.6, or so, would yield a proper exposure.

Coastwatch203, what is your suggestion, anyway? Your reference thread describes exposure compensation. How would that apply in this example?

EDIT-- OOPs! Just out of curiosity, I checked out the EXIF info on the image. Shot at f/25 :p It seems the image was shot with studio pack and heads. OP- Dial down the power to 1/8 power( -2 stops)


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Coastwatch203
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Nov 05, 2008 20:22 |  #12

breathless wrote in post #6629881 (external link)
Coastwatch203, what is your suggestion, anyway? Your reference thread describes exposure compensation. How would that apply in this example?

EDIT-- OOPs! Just out of curiosity, I checked out the EXIF info on the image. Shot at f/25 :p It seems the image was shot with studio pack and heads. OP- Dial down the power to 1/8 power( -2 stops)


OOP's from me too ! - I referenced the wrong thread sorry...
The one i meant to refer to was regarding flash exposure compensation.

In the studio i shoot with 1000w flash heads. Out of habit i set 160th sec, 100 ISO and use a working apature from f8 - f11.
Set my main light to apx 1/8pwr initially @ 45* to subject - and see how things look.

If its too bright, i step down my apature to say f11, or move the light back a foot or so, or drop its power a little more.

Once you have your main light looking good, turn it off, and set up your fill light, seeing how it looks. (each light set up on its own initially - hair lights etc) (don't change your apature from what you set it at above)
Then turn them all on and you should be well in the ballpark.

It is a great help if you "shoot tethered" to your laptop.
Results are very easy to assess.

Some photogs even tie a piece of string to each light stand and measure it to the subject. Then cut it off at this length.
They know they can move the light around (for diff effects) whilst keeping it at the measured strings length, nothing exposure wise should change.

Using f25 presents problems regarding sharpness.


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disneydork06
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Nov 06, 2008 02:00 |  #13

how close was your light to the subjects?


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cosworth
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Nov 06, 2008 02:14 |  #14

Two words - flash meter. They are inexpensive and easy to use.


I don't think I've ever taken a picture at f/25....


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acrephoto
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Nov 06, 2008 06:47 |  #15

Is there an f/25 ? haha




  
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Overexposed. Why?
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